$150 - $200

Part Number: H410A500PA

Part Number: 103L-17A-50

90080-19 Thermistor Micro Probe with USB Connection by Digi-Sense

Convenient replacement thermistor probes.

MH-40-GFA 40,000 BTU LP Forced Air Heater by Master

The Master MH-40-GFA is an ideal forced air heating solution for spaces up to 1,000 sq. feet with propane. It utilizes Master's tried and true propane torpedo heater design, honed over the last 3 decades, and also comes equipped with the most modern safety features available.

CSA Certified for use with 20 lb LP Cylinder.

Advanced safety features include high temperature limit shut-off, flame-out fuel cut and a thermocouple. An LP cylinder hose and regulator are also included.

Light weight and versatile, the Master MH-40-GFA propane space heater is great for use in places such as construction sites, garages, workshops, warehouses, and barns.

• Adjustable heat angle
• 10 ft. hose and regulator included
• Fully enclosed gas controls
• Over-heat shut-off
• Continuous Electronic Ignition

08541-48 Thermocouple Wire Type K 20-Gauge, Polyvinyl Insulation 100-ft Spool by Digi-Sense

Wire comes in 20-gauge size, ideal for fabricating your own probes or extension cables (meets ANSI and ASTM standards). Choose from wire with polyvinyl chloride (PVC), fluorinated ethylene propylene resin (FEP/FEP), fiberglass, high-temperature fiberglass, or ceramic fiber outer/inner insulation. These cables are also available in 100-ft or 1000-ft lengths for any application.

*Please note we can only ship RKI products to customers within the United States

WD-35423-01 EcoTestr™ pH 2+ Pocket pH Meter by Oakton

Two Reasons Why Accurate Water Analysis Just Got Easier!

Measure water quality quick and easy without breaking the bank when you select one of these newly redesigned Oakton EcoTestrs. The pH2+ meter accurately measures pH and temperature simultaneously, while the CTS meter is now a reliable 3-in-1 tool that measures conductivity, TDS, and salinity.

• Larger display with a better viewing angle
• Expanded 4-digit dual-line display shows parameters and temperature readings simultaneously
• Automatic temperature compensation ensures accurate reading in varying environments
• Easy-to-navigate interface for quick setup and calibration
• Redesigned leakproof cap functions as a sample cup and as a stabilizing base to stand the meter upright
• Rugged IP67-rated housing is dustproof and waterproof and it floats
• Lanyard attachment makes field measurements more convenient
• Battery level indicator flashes when battery is low
• Batteries are included ready to go right out of the box!

*Please note we can only ship RKI products to customers within the United States

Part Number: 103L-37-300

TRUNCOMV2 Commercial Truncheon Meter by Bluelab

With a conductivity range right up to 6.0 EC, it will never leave you short.

The Bluelab® Commercial Truncheon® Nutrient Meter has been designed for crops that require a higher than normal EC or CF. Super tough, fully waterproof, and no calibration required or on/off buttons to worry about. It's great for stirring your reservoir too!

With a higher conductivity range and displaying all the conductivity levels, CF, EC, PPM 500 & PPM 700 on a single line.

Meter length: 40cm / 16 in.

Features

• Conductivity range up to 6.0 EC, 60 CF, 3000 ppm 500 and 4200 ppm 700
• Fully waterproof
• Provided with EC, CF, ppm 700 and ppm 500 scales
• Auto on/off function
• No calibration required (factory calibrated)
• Daylight readable blue LEDs, visible in bright or dark environments
• No buttons or switches
• Battery operated (3x AA batteries included)
• Measure while mixing nutrients in your reservoir

5005 pH/mV/Temp. Handheld Meter by Jenco

pH/mV/Temp. handheld meter with build in tabletop stand with LCD digital display. Meter has both ATC and manual temperature compensation. pH standardization calibration is via knobs and pH slope calibration is via potentiometer. Features include a voltage recorder output, reference input pin and BNC input connector. AC/DC Powered.

• All solid state design
• Fast input response
• Low drift and high stability
• Tilt stand
• Greater than 100db 50/60hz rejection
• Battery low indicator
• Extra long battery life
• Auto polarity mv measurement
• Analog recorder output
• Rugged carrying case
• UL approved ac line adaptor
• Aconventional 9v battery
• Manual and ATC for pH measurement
• 0 to 100.0 °C range of temperature measurement
• 0.5 high liquid crystal display readable under bright ambient conditions

*Please note we can only ship RKI products to customers within the United States

S653/30/BNC Cable Assembly - 30ft (9M), BNC by Sensorex

With threading for submersion mounting, the S653 Cable Assembly is the perfect complement to our S651CD Submersible Electrode series. This cable assembly is designed to submerge the electrode in tanks, flumes and sewer lines. The cost-effective CPVC construction is well suited for most water and wastewater applications. Pairing the S653 Cable Assembly with an S651CD series Electrodes allows for quick electrode changes, drastically reducing downtime due to maintenance.

• Use with one of our S651CD series Electrodes for quick and easy maintenance
• Threading design for fast and simple installation
• Durable CPVC design is suitable for most applications
• One year limited warranty