Clamp Meters

WD-20250-57 1000A AC Clamp Meter with NIST-Traceable Calibration by Digi-Sense

Reliably detect and measure the power quality running to your equipment to quickly find hidden issues. These meters feature durable, double-molded plastic housing and jaw.

Features

• Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
• Large backlit display provides easy-to-read measurements
• Autorange feature automatically selects optimal measuring range
• Low-battery indicator alert for when it s time for a fresh battery

400 A AC Clamp Meters (20250-55, -56)

• Diode testing, continuity check with a buzzer sound at 50 ?, and a measurement rate of 2 readings per second
• Built-in noncontact AC voltage detector
• CAT III-1000 V safety rating
• Improved measurement ease with data Hold function
• Model 20250-56 also measures DC current and capacitance, and features a peak Hold function that captures the peak AC current or voltage reading

1000 A AC Clamp Meters (20250-57, -58)

• Improve accuracy with True RMS check for load current and AC voltage, as well as continuity of contacts, fuses, circuits, and switches
• See power variations on analog bar graph display
• CAT III-600 V safety rating
• Model 20250-58 also features DC current measurement and True RMS for more accurate current readings

Applications

• Electrical
• Industrial
• Laboratory
• HVAC
• R & D

Includes

Test leads, temperature probe (models 20250-55, -56, and -58), carrying case, 9 V battery, and NIST-traceable calibration report supplied by InnoCal.

ANC4 Medium Single Meter Case by Fieldpiece

The Single Meter Case, model ANC4, comes standard with our mini clamp meters. It holds the meter, leads and has a "hidden" small inside pocket that holds a thermocouple or other accessories. Features include rugged nylon construction, padding, a rugged double zipper and a belt loop. Great for the SC40 and SC50 series.

SC220 Compact Clamp Meter by Fieldpiece

The Compact Clamp Meter, model SC220, incorporates a lot of big meter functions into a compact, easy to use design. While it's not exactly an all-in-one multimeter, this auto ranging digital multimeter is an affordable meter for the HVACR electrical testing HVACR professionals use everyday. Along with standard multimeter ranges, we designed the SC220 to include microamps DC for flame rectification. Add to that, we designed it with built-in non-contact voltage and a continuity beeper to give you a powerful HVACR meter that's under 8-inches tall. Makes a great backup or a solid performer for everyday testing.

Like all of our test instruments, the main benefit of the SC220 is that it was designed specifically for HVACR field service. It's rugged, has built-in safety features and includes most of the ranges you need for everyday testing. Some of the highlights include:

• Volts AC/DC
• 400 Amps AC
• Microamps DC
• Non contact voltage indicator
• 40 Mega ohm with 0.01 resolution
• Continuity
• Diode test
• Hold button
• Low battery indicator

Includes

• SC220 Compact Meter
• ADLS2 Deluxe Lead Set with Gold Plated Tips and Removable Sheath
• ANC4 Padded Case
• 9 Volt Battery

0590 0003 Current Clamp Adapter for 760-2/-3 by Testo

You can easily manage even in tight spots with this clamp meter adapter! The movable pincer arm can be fully retracted, so that you can for instance grab tightly packed cables in switching cabinets as if you were using a hook.

The clamp meter adapter for non-contact current measurement makes direct / alternating current measurement up to 400 A AC/DC possible. You can attach the clamp meter adapter to a suitable digital multimeter made by Testo or to other makes of digital multimeter which have a resolution in the mV range.

• Fully retractable pincer arm - ideal for measurements in tight places
• Direct / alternating current measurement up to 400 A AC/DC possible
• Display of 1 mV per A
• Overvoltage category CAT IV 600 V

Includes:

Clamp meter adapter for non-contact current measurement, including three AAA batteries.

Measuring Range: -60 to +130 °C

SC640 Loaded Clamp Meter by Fieldpiece

The SC640 clamp meter is packed with more features and measurements than any clamp meter in the HVACR industry. The loaded SC640 features lead storage, a swivel head, test lead holder, heavy duty magnetic strap, jaw flashlight, and a backlight on the dial so you can easily choose the right measurement in poorly lit spaces. Plus the SC640 hosts all the electrical measurements HVACR pros use everyday, along with features like True RMS, Inrush current, capacitance, temperature, duty cycle, and microamps DC.

The top-of-the-line SC640 clamp meter helps HVACR professionals do more everyday:

• Volts AC/DC
• True RMS
• Inrush current
• Swivel clamp
• Magnetic strap
• Probe storage
• Dual display
• Temperature F/C
• Capacitance
• Duty cycle %
• 400 amps AC
• Microamps DC
• Frequency via leads and clamp
• Non-contact voltage
• 50 Mega Ohm with 0.1 resolution
• Continuity
• Diode test
• Hold
• Clamp probe holder
• Dial backlight
• Clamp jaw light
• LCD backlight
• Low battery indicator

Includes

• SC640 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• ASA2 Short Alligator Lead Extensions
• Velcro Strap
• 9V Battery
• ANC7 Padded Case

SC260 Compact Clamp Meter with True RMS by Fieldpiece

The SC260 Compact Clamp Meter is a great meter for testing HVACR electrical measurements. It includes True RMS measurements so you can test variable frequency drives more accurately, along with temperature in both Fahrenheit and Celsius. The SC260 also features a backlight display for reading measurements in poorly lit places, and a sturdy swivel magnet for hands free measurements.

The SC260 helps you save time with the new Auto Select mode. Simply set the dial and connect your leads, the clamp meter will automatically select the appropriate measurement depending on what it detects. While the high temperature resistance allows you to move from a cold freezer to a hot rooftop and get accurate temperature measurements that lesser thermometers cannot measure properly.

• Volts AC/DC
• True RMS
• 400 Amps AC
• Temperature F/C
• Capacitance
• Non-contact voltage
• 40 Mega Ohm with 0.01 resolution
• Continuity
• Diode Test
• Max/Min/Hold
• LCD Backlight
• Low Battery Indicator

Includes

• SC260 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• Velcro Strap
• 9V Battery
• ANC1 Padded Case

SC440 True RMS Clamp Meter with Temperature by Fieldpiece

The mid-size essential clamp meter has virtually every parameter for electrical and thermal HVACR testing in one meter. This auto and manual ranger includes a host of safety features including a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV), a lead holder with detachable leads, and alligator probe tips for easy one-handed testing. As far as ranges go, it has temperature, capacitance, microamps DC for flame diode tests, and everyday electrical ranges for HVACR. Not to mention it is one of the most durable meters in the industry.

Designed specifically for HVACR field service, the SC440 is a digital multimeter that offers specific features and benefits to HVACR field service pros including:

• Volts AC/DC
• True RMS
• Inrush current
• Duty cycle %
• 400 amps AC
• Magnetic strap
• Dual display
• Temperature F/C
• Capacitance
• Microamps DC
• Frequency via leads and clamp
• Non-contact voltage
• 50 Mega Ohm with 0.1 resolution
• Continuity
• Diode test
• Hold
• Clamp probe holder
• LCD backlight
• Low battery indicator

Includes

• SC440 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• ASA2 Short Alligator Lead Extensions
• Velcro Strap
• 9V Battery
• ANC12 Padded Case

SC620 Loaded Swivel Clamp Meter by Fieldpiece

The SC620 swivel-head clamp meter is packed with all the electrical measurements HVACR professionals use everyday. It also includes a host of safety features like a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV), a lead holder with detachable leads, and alligator probe tips for easy one-handed testing. As far as ranges go, the SC620 clamp meter has temperature, capacitance, and microamps DC for flame diode tests. It's a rugged workhorse you can count on to get the job done easier, faster, and more safely.

The SC620 is fast reacting, easy-to-use, and rugged, with extended temperature tolerances that allow for testing in freezers and on hot rooftops.Designed specifically for HVACR field service, the SC620 is a dedicated digital multimeter that offers specific features and benefits to help HVACR professionals do more, everyday:

• Volts AC/DC
• Swivel clamp
• Magnetic strap
• Dual display
• Temperature F/C
• Capacitance
• Duty cycle %
• 400 amps AC
• Microamps DC
• Frequency via leads and clamp
• Non-contact voltage
• 50 Mega Ohm with 0.1 resolution
• Continuity
• Diode test
• Hold
• Clamp probe holder
• Low battery indicator
• Lead storage

Includes

• SC620 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• ASA2 Short Alligator Lead Extensions
• Velcro Strap
• 9V Battery
• ANC7 Padded Case

SC480 Job Link System Power Clamp Meter with 1000VDC by Fieldpiece

Whether you're working on small circuitry in mini-splits or on large commercial units, the new SC480 and SC680 are packed with everything you need to install, service, and troubleshoot any HVACR system.

• Measures Power (kW)
• Use on variable frequency drives (VFDs)
• True RMS & Low Pass Filter for VAC/Hz
• Test Diodes and Resistance up to 50MΩ
• Molex tip leads for small power connectors
• DC Amps, Dual Temp, Swivel Clamp, Lead Storage (SC680)

Direct Integration with Job Link® System App!

Pair all your Job Link tools in the Job Link App to receive and document a complete system snapshot wirelessly. From the new SC480 and SC680 clamp meters and SM380V and SM480V manifolds, to the JL3 Job Link Probes, and SRS3 scale all measurements are live and in real time so you can see exactly how adjustments are affecting the system.

Document all measurements

Clearly communicate the health of the system with your co-workers and customers. Proven to help reduce call backs and increase sales.

• Wireless Bluetooth Beacon
• 115' (35 meters) wireless connection direct to mobile device
• Document electrical measurements
• Calculate power and system efficiency
• Measure accurate blower amperages behind the door
• Wireless monitoring of compressor VAC and AAC

Top-of-the-Line HVACR Meters

Not only do these meters communicate with Job Link, but you can also measure power consumption (kW) to determine system efficiency. Verify 3-phase rotation with just two leads. Take more accurate VAC and AAC readings with True RMS. Filter out noise to get true voltage and frequency with low pass filter.

• Measures Power (kW) for system efficiency
• Has True RMS and Low Pass Filter (LPF) to obtain accurate VFD readings
• Indicates 3-phase rotation with two leads
• Measures start/run capacitors
• Molex tips reach into power connectors
• Magnet for mounting meter during use
• Safety rated CAT IV-600V/CAT III-1000V

SC680

• DC Amps and Diode for mini-split inverters
• Dual temperature for delta T
• Swivel clamp to view readings at any angle
• Test lead storage
• Backlit dial

ANC7 Large Single Meter Case by Fieldpiece

The Large Single Meter Case, model ANC7, easily holds 1 full-size clamp meter or one standalone instrument and included accessories. Features rugged nylon construction, padding, a "hidden" inside pocket for thermocouples and more, a rugged double zipper, and belt loop. The ANC7 comes standard with Fieldpiece SC 60 and 70 Series Clamp meters.

ACH4 400A Amp Clamp Accessory Head by Fieldpiece

The ACH4 current clamp is a small size accessory head for quickly reading up to 400 AC amps. The claw feature on the clamp makes it easy to quickly pick out the wire you need to measure. Once the current carrying conductor is isolated, the amperage is converted to mVAC for reading directly on the meter. The ACH4 works with the Fieldpiece "Stick" meter, EHDL1 Electronic Handle, EH4W Wireless Handle, DL3 Data Logger, the HG2 and HG3 HVAC Guide® System Analyzers, or any other digital multimeter (with mVAC range) connected by Fieldpiece ADLS2 detachable silicone leads or AHDL1 handle adapter.

Features

• Connect directly to any Fieldpiece stick meter (shown attached to HS36)
• Remote the amp clamp for hard to reach areas using our deluxe silicone leads with detachable probe tips (model ADLS2)
• Angled jaw opens to 1.8 inches and makes singling out a wire fast and easy

Included

• 400A Amp Clamp Accessory - ACH4
• Operator's Manual

WD-20250-58 1000A AC/DC Clamp Meter with NIST-Traceable Calibration by Digi-Sense

Reliably detect and measure the power quality running to your equipment to quickly find hidden issues. These meters feature durable, double-molded plastic housing and jaw.

Features

• Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
• Large backlit display provides easy-to-read measurements
• Autorange feature automatically selects optimal measuring range
• Low-battery indicator alert for when it s time for a fresh battery

400 A AC Clamp Meters (20250-55, -56)

• Diode testing, continuity check with a buzzer sound at 50 ?, and a measurement rate of 2 readings per second
• Built-in noncontact AC voltage detector
• CAT III-1000 V safety rating
• Improved measurement ease with data Hold function
• Model 20250-56 also measures DC current and capacitance, and features a peak Hold function that captures the peak AC current or voltage reading

1000 A AC Clamp Meters (20250-57, -58)

• Improve accuracy with True RMS check for load current and AC voltage, as well as continuity of contacts, fuses, circuits, and switches
• See power variations on analog bar graph display
• CAT III-600 V safety rating
• Model 20250-58 also features DC current measurement and True RMS for more accurate current readings

Applications

• Electrical
• Industrial
• Laboratory
• HVAC
• R & D

Includes

Test leads, temperature probe (models 20250-55, -56, and -58), carrying case, 9 V battery, and NIST-traceable calibration report supplied by InnoCal.

SC240 Compact Clamp Meter with Temperature by Fieldpiece

The SC240 Compact Clamp Meter with Temperature packs a big punch in a compact meter. With features that rival many full-sized clamp meters, this auto ranging digital multimeter packs a ton of functions into a compact, easy to handle shape. It includes temperature in both Fahrenheit and Celsius, capacitance as well as non-contact voltage indicators. It also packs in most of the other HVACR ranges you use everyday. Some technicians use the SC240 as their everyday DMM, others as a back-up or second meter to get more testing done in less time. This compact HVACR clamp meter was deigned to make your job easier, safer, and faster no matter where you choose to rank it in your bag.

• Volts AC/DC
• 400 Amps AC
• Temperature F/C
• Capacitance
• Non-Contact Voltage
• 40 Mega Ohm with 0.01 Resolution
• Continuity
• Diode Test
• Max/Min/Hold
• Low Battery Indicator
• Rugged display

Includes

• SC240 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• Velcro Strap
• 9V Battery
• ANC1 Padded Case

SC460 Clamp Meter-Wireless by Fieldpiece

The new SC460 and SC660 wireless clamp meters team up with the Job Link system to provide even more in-depth testing, diagnostics and reports.

Clamp readings are wirelessly sent to the Job Link System via the long range JL2 Transmitter. Email reports and store them in the cloud for future reference.

Plus, now you can document both power and system efficiency (SEER and EER) in Job Link with the wireless clamps and wireless psychrometer.

• 3-Phase Rotation Testing with Two Leads
• Record Motor Start up with Inrush Current
• Non-contact Voltage and One Handed Testing
• Backlit Display
• Strong Magnetic Hanger
• Swivel-head, Lead Storage, and Jaw Light (SC660)
• DC Amps (SC660)
• Dual Temp for Delta-T Calculations (SC660)

WD-20250-55 Precalibrated Clamp Meter; 400 AAC by Digi-Sense

Reliably detect and measure the power quality running to your equipment to quickly find hidden issues. These meters feature durable, double-molded plastic housing and jaw.

Features

• Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
• Large backlit display provides easy-to-read measurements
• Autorange feature automatically selects optimal measuring range
• Low-battery indicator alert for when it s time for a fresh battery

400 A AC Clamp Meters (20250-55, -56)

• Diode testing, continuity check with a buzzer sound at 50 ?, and a measurement rate of 2 readings per second
• Built-in noncontact AC voltage detector
• CAT III-1000 V safety rating
• Improved measurement ease with data Hold function
• Model 20250-56 also measures DC current and capacitance, and features a peak Hold function that captures the peak AC current or voltage reading

1000 A AC Clamp Meters (20250-57, -58)

• Improve accuracy with True RMS check for load current and AC voltage, as well as continuity of contacts, fuses, circuits, and switches
• See power variations on analog bar graph display
• CAT III-600 V safety rating
• Model 20250-58 also features DC current measurement and True RMS for more accurate current readings

Applications

• Electrical
• Industrial
• Laboratory
• HVAC
• R & D

Includes

Test leads, temperature probe (models 20250-55, -56, and -58), carrying case, 9 V battery, and NIST-traceable calibration report supplied by InnoCal.

WD-20250-56 Precalibrated Clamp Meter; 400 A AC/DC by Digi-Sense

Reliably detect and measure the power quality running to your equipment to quickly find hidden issues. These meters feature durable, double-molded plastic housing and jaw.

Features

• Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
• Large backlit display provides easy-to-read measurements
• Autorange feature automatically selects optimal measuring range
• Low-battery indicator alert for when it s time for a fresh battery

400 A AC Clamp Meters (20250-55, -56)

• Diode testing, continuity check with a buzzer sound at 50 ?, and a measurement rate of 2 readings per second
• Built-in noncontact AC voltage detector
• CAT III-1000 V safety rating
• Improved measurement ease with data Hold function
• Model 20250-56 also measures DC current and capacitance, and features a peak Hold function that captures the peak AC current or voltage reading

1000 A AC Clamp Meters (20250-57, -58)

• Improve accuracy with True RMS check for load current and AC voltage, as well as continuity of contacts, fuses, circuits, and switches
• See power variations on analog bar graph display
• CAT III-600 V safety rating
• Model 20250-58 also features DC current measurement and True RMS for more accurate current readings

Applications

• Electrical
• Industrial
• Laboratory
• HVAC
• R & D

Includes

Test leads, temperature probe (models 20250-55, -56, and -58), carrying case, 9 V battery, and NIST-traceable calibration report supplied by InnoCal.

SC680 Job Link System Power Swivel Clamp Meter with 1000VDC by Fieldpiece

Whether you're working on small circuitry in mini-splits or on large commercial units, the new SC480 and SC680 are packed with everything you need to install, service, and troubleshoot any HVACR system.

• Measures Power (kW)
• Use on variable frequency drives (VFDs)
• True RMS & Low Pass Filter for VAC/Hz
• Test Diodes and Resistance up to 50MΩ
• Molex tip leads for small power connectors
• DC Amps, Dual Temp, Swivel Clamp, Lead Storage (SC680)

Direct Integration with Job Link® System App!

Pair all your Job Link tools in the Job Link App to receive and document a complete system snapshot wirelessly. From the new SC480 and SC680 clamp meters and SM380V and SM480V manifolds, to the JL3 Job Link Probes, and SRS3 scale all measurements are live and in real time so you can see exactly how adjustments are affecting the system.

Document all measurements

Clearly communicate the health of the system with your co-workers and customers. Proven to help reduce call backs and increase sales.

• Wireless Bluetooth Beacon
• 115' (35 meters) wireless connection direct to mobile device
• Document electrical measurements
• Calculate power and system efficiency
• Measure accurate blower amperages behind the door
• Wireless monitoring of compressor VAC and AAC

Top-of-the-Line HVACR Meters

Not only do these meters communicate with Job Link, but you can also measure power consumption (kW) to determine system efficiency. Verify 3-phase rotation with just two leads. Take more accurate VAC and AAC readings with True RMS. Filter out noise to get true voltage and frequency with low pass filter.

• Measures Power (kW) for system efficiency
• Has True RMS and Low Pass Filter (LPF) to obtain accurate VFD readings
• Indicates 3-phase rotation with two leads
• Measures start/run capacitors
• Molex tips reach into power connectors
• Magnet for mounting meter during use
• Safety rated CAT IV-600V/CAT III-1000V

SC680

• DC Amps and Diode for mini-split inverters
• Dual temperature for delta T
• Swivel clamp to view readings at any angle
• Test lead storage
• Backlit dial

0590 7701 770-1 TRMS Clamp Meter by Testo

The testo 770 Hook-clamp Digital Multimeter (DMM) is ideally suited for electrical work in HVAC applications. Testo's unique hooking clamp can be used to separate then grab wires. The easy hook-off retractable post releases the wires when testing is complete. You can safely work in tight spaces without using your hands. The 770 series identifies the testing in-process and automatically selects the correct meter configuration which saves you time and increases your accuracy.

The 770 series of instruments are rich in the features HVAC techs need and want including TRMS, starting current, and frequency measurement. The 770-2, which includes A can also measure temperature using the included Type K thermocouple adapter. The 770-3 (temperature adapter optional) additionally includes real-time power measurements (Watts), and Bluetooth. The 770-3 links to the Testo Smart Probes App and can be used for remote viewing, monitoring trending over time, and creating reports. The powerful app allows you to create custom reports that include photos, data, and graphs that can be saved or sent via email.

Testo's history of efficiency, innovation, and quality now extends into the entire electrical lineup. Once again, Testo brings high value, feature-packed products to the HVAC contractor market.

• Unique hook-on function separates and grabs wires without using your hands, retractable post releases wires easily
• Automatically detects AC/DC for Volts or Amps, and selects the correct range
• Bluetooth connection to testo Smart Probe App (770-3 only)
• Real-time power measurement (Watts)
• Standard features: Inrush (starting) current capture; Min/Max/Hold
• Additional features (770-2/-3 only): μA for flame rod; High capacitance; Frequency measurement for variable drives

SC420 Essential Clamp Meter by Fieldpiece

The SC420 is an essential meter for HVACR professionals. It's an auto or manual ranging clamp meter that includes the electrical ranges students and technicians use for most HVACR work, plus temperature, capacitance and duty cycle - all for a great price. It also has several safety features like a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV), a lead holder on the clamp, and MAX hold so you can concentrate on the test point, hook up, and see the results after you've disconnected.

• Volts AC/DC
• Duty cycle %
• 400 Amps AC
• Dual display
• Extreme temperature tolerances
• Capacitance
• Microamps DC
• Frequency via leads and clamp
• Non-contact voltage
• 50 Mega Ohm with 0.1 resolution
• Continuity
• Diode Test
• Hold
• Test-lead holder
• Low battery indicator
• Rugged casing
• Voltage and amperage readings at the same time

Includes

• SC420 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• Velcro Strap
• 9V Battery
• ANC12 Padded Case

0590 7702 770-2 TRMS Clamp Meter & Adapter for Type K Thermocouple by Testo

The testo 770 Hook-clamp Digital Multimeter (DMM) is ideally suited for electrical work in HVAC applications. Testo's unique hooking clamp can be used to separate then grab wires. The easy hook-off retractable post releases the wires when testing is complete. You can safely work in tight spaces without using your hands. The 770 series identifies the testing in-process and automatically selects the correct meter configuration which saves you time and increases your accuracy.

The 770 series of instruments are rich in the features HVAC techs need and want including TRMS, starting current, and frequency measurement. The 770-2, which includes A can also measure temperature using the included Type K thermocouple adapter. The 770-3 (temperature adapter optional) additionally includes real-time power measurements (Watts), and Bluetooth. The 770-3 links to the Testo Smart Probes App and can be used for remote viewing, monitoring trending over time, and creating reports. The powerful app allows you to create custom reports that include photos, data, and graphs that can be saved or sent via email.

Testo's history of efficiency, innovation, and quality now extends into the entire electrical lineup. Once again, Testo brings high value, feature-packed products to the HVAC contractor market.

• Unique hook-on function separates and grabs wires without using your hands, retractable post releases wires easily
• Automatically detects AC/DC for Volts or Amps, and selects the correct range
• Bluetooth connection to testo Smart Probe App (770-3 only)
• Real-time power measurement (Watts)
• Standard features: Inrush (starting) current capture; Min/Max/Hold
• Additional features (770-2/-3 only): μA for flame rod; High capacitance; Frequency measurement for variable drives

20250-63 AC/DC Clamp Meter with Bluetooth® Connectivity by Digi-Sense

Using our free Digi-Sense D/S Meter app, this AC/DC clamp meter with Bluetooth® technology allows you to transmit data directly to your Android or iOS device. Now you can view data at a safe distance from dangerous equipment or hazardous locations and even use your smart device as a real-time secondary display for checking measurements, eliminating the need to write down readings on paper. The results are automatically stored in the app with a date-and-time stamp and can be saved as a CSV file and emailed for future reference, manipulation, or analysis to help determine trends and conditions over a long period of time. Use the app to attach photos and notes to the records creating a clear reference point for your work - ideal for record keeping at large sites.

The AC/DC clamp meter measures AC current to 1000 A AC, voltage (AC and DC), resistance, capacitance, frequency, temperature, duty cycle, and continuity. Special functions include auto ranging, data Hold, Max/Min readings, diode test, audible continuity check, over-range indication, low-battery indication, and auto power-off. The 1-3/16" (30 mm) jaw opening is ideal for use in small compartments or boxes with tightly arranged electrical wires. The meter also offers True RMS for more accurate current readings, and temperature measurement via a type K thermocouple.

The instrument is fully tested and calibrated to NIST-traceable standards for reliable measurements right out of the box, saving you time and money!

Key Features

• Get the most out of your data with our user-friendly mobile app
• Unlimited data storage based on smart device capacity
• Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
• Rugged double-molded housing provides increased durability
• Electronic overload protection prevents damage
• Large backlit LCD permits viewing in low-light conditions

Includes

Test leads, type K thermocouple, carrying case, 9 V battery, and NIST-traceable calibration.

A771 Carbon Monoxide Adapter for DMMs and Clamp-on Meters by Test Products International

The A771 is a CO adapter designed to work with your DMM to measure ambient air CO. Can also be used as a personal COalarm.

National Ambient Air Quality Primary Standards in the US call for less then 9 ppm carbon monoxide for an 8 hour average during any 12 month period.

Concentrations of 1 to 2 ppm may be found in homes with a normally operating gas furnace to well over 1,000 ppm in homes with a faulty furnace.

Just 200 ppm CO over 2 to 3 hours can cause slight headache, fatigue, dizziness, and nausea.

Carbon Monoxide testing is a crucial service provided by HVAC/R technicians.

The A771 is an advanced state-of-the-art Carbon Monoxide monitor that may be used to measure levels of carbon monoxide (CO) in the parts per million (ppm) range when used with a digital multimeter (DMM).

Features

• No Bulk! Easily carry one on your belt or tool box
• Easy to use with any DMM or Clamp-on Meter with a minimum 3 1/2 digit LCD, 2 or 4 Volt DC range and 10M or greater input impedance
• Detects CO levels from 0-1999 ppm, with resolution as low as 0.1ppm and ± 5% of reading accuracy
• Low battery and power indication
• Use with any DMM with minimum 2 1/2 digit LCD, 2 or 4Volt DC range and 10M Ohm or greater input impedance
• Calibrate in the field
• Complete with Belt pouch, A771P
• Built-in alarm is preset to 30ppm. Setting can be set by user
• 3 Year Limited Warranty

Applications

• Conduct Tests of CO Levels In Room Air To Meet ASHRAE and OSHA Standards
• Confirm Proper Operation of Alarming CO Detectors in Households
• Check For Proper Installation of Ventless Gas Fireplaces, Furnaces, and Other Combustion Devices.
• Use The A771 as a Personal Alarm Preset at 30 CO