$400 - $500

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

S272CD-ORP-MB1/10/TL/TL ORP Sensor, Platinum, 3/4" NPT, PPS MB by Sensorex

This series of electrodes is designed to provide an economical multi-purpose solution for in-line or submersion ORP measurements. Based on our proven S500C-ORP polished tip or S550C-ORP extended tip or S350CD-ORP flat surface technology, these rugged and durable electrodes are available in Ryton nipples with 1/2" or 3/4" NPT threads; or in our durable epoxy body with or without quick disconnect top caps. Choose from single or double junction designs, flat or recessed measuring surfaces, and cable lengths and connectors as required.

• Economical design for in-line or submersion use
• Choose from single or double junction models
• Threaded 1/2" or 3/4" NPT connections
• High purity platinum measuring surfaces
• Special models for low ionic and other specialty applications available

IS200CD-NH4 Combination Ammonium ISE Electrode, 6.5"(165mm) L x 0.48" 12mm OD), 30" (.76m) Fixed Cable, Black Epoxy Body by Sensorex

Sensorex offers a combination Ion Selective Electrodes (ISE's) for Fluoride (F-), Chloride (Cl-), Ammonium (NH4+), Postassium (K+) and Nitrate (NO3-) measurement. These covenient combination electrodes use just one electrode to measure ppm of ions.

All Sensorex ISE's are housed in rugged plastic bodies and offer a choice of fixed cable or detachable cable design.

Use these electrodes with your ISE meter, pH meter in mV mode or with any mV input device.

Sensorex ISE's require little to know cleaning and are maintenance free (no reference or ISE refill solution required).

Each electrode is shipped in a bottle with or without a storage solution and are ready for immediate use.

• Easy-to-use combination sensors
• ISE types available: Fluoride (F-), Chloride (Cl-), Ammonium
• (NH4+), Postassium (K+) and Nitrate (NO3-)
• Fixed cable or quick-disconnect cartridge
• Rugged epoxy body

T4-ZOCZ-SG T4 Personal Gas Monitor, 2 Gas - O2, CO, Alternate Alarm Levels / Certifications by Crowcon

T4 integrates innovative safety features and an intuitive, rugged design to provide advanced protection for those working in harsh environments. This portable multigas detector, which is exceptionally easy to use and service, protects against the four most prevalent gas hazards: carbon monoxide (CO), hydrogen sulphide (H₂S), flammable gases and oxygen (O₂) depletion.

Features

• TWA resume function - unique to T4, this innovative feature ensures toxic gas exposure is calculated accurately over an entire shift, even if T4 is switched off for a break or during travel to another site.
• 18 hour battery life - safely work multiple or longer shifts between charges, covered by the 18 hour battery life.
• Backlit display - large, clear display with backlight and option to flip the screen 180° for easy viewing while worn.
• Rugged design - with a thick anti-shock rubber casing and drop-tested to 13.1 feet on concrete, T4 provides dependable operation under the most demanding use.
• Water & dust-resistant to IP65 & IP67 - provides protection in the harshest environments.
• Dedicated sensors - one sensor for every gas ensures effective, fast and reliable detection.
• Positive safety indicator - a simple 'traffic light' status indicator which, at a glance, provides visual assurance of operational and compliance status to both users and supervisors. Green light - Working safely. Red light - Attention required
• Intrinsically safe - ATEX approved and UL Class 1 Div 1 for safe operation in a wide range of hazardous environments.
• Multiple alarms - audible 95dB alarm, bright red/blue LED's and vibrating alerts provide effective warning to gas hazards.
• Easy operation - large single button and intuitive menu system minimize training and allow easy operation while wearing gloves.

AQT200 3M Clean-Trace Total ATP Water Plus Pens, 100 pack by AquaPhoenix

The test is designed to rapidly assess equipment sanitation processes and the efficiency of Clean In Place (CIP) procedures by the improved more accurate detection of organic contamination from microbial or product residues. The test gives an objective indication of cleanliness in water samples in seconds.

Designed for use with the 3M™ Clean-Trace™ NG Luminometer, the new AQT200 formulation now provides the ability to gain more consistent and reliable results providing greater confidence in your hygiene monitoring procedures. The new improved formulation also provides the flexibility to store AQT200 at your own convenience - room temperature for up to 2 months or refrigerated for up to 12 months. 100/case.

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

EC400S Portable Conductivity/TDS/Salinity/Resistivity Meter by Apera

The Apera Instruments EC400S provides accurate and stable EC measurements with various intelligent functions and a durable structure.

Equipped with Apera's unique BPB (Brush-Resistant Platinum Black) conductivity sensor, the meter takes accurate measurements of EC, TDS, Salinity, Resistivity and temperature in a wide range (0 to 200 mS/cm)

Intelligent Functions: Quick & Easy 1 to 4 Points Auto Calibration. The Smart Self-Diagnosis helps you conduct proper calibrations and determine the condition of your probe. GLP Data management (500 groups of data storage), USB data output and power supply. Timing measuring/data logging mode and Smart calibration reminder function available. The large clear LCD displays EC and temperature simultaneously along with icons of stable readings and finished calibrations.

Reliable Structure: IP57 Waterproof and Dustproof, ideal for use in harsh environments. It comes with a complete test kit including a meter, a conductivity electrode, a USB cable, and 3 bottles of calibration solutions all in a rugged carrying case. Powered by AA Batteries. Two-Year warranty for the meter. CE certified.

• Takes quick and accurate measurements of EC, TDS, Salinity, and Resistivity in a wide range (0 to 200 mS/cm)
• IP57 Waterproof and Dustproof, ideal for use in harsh environments
• The large backlit LCD displays EC and temperature simultaneously along with icons of stable readings and finished calibrations.
• GLP Data management (500 groups of data storage), USB data output and power supply
• Quick and Easy 1 to 4 points auto calibration with calibration reminder function (premixed standard solutions included)

VK20-GA 20" Versa-Kool Circulation Fan, Cord, Mount, Galvanized by Schaefer

Reduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. Unrivaled in the market, these fans are engineered to produce greater air movement and superior cooling no matter the application. You don't hear them. You don't see them. You only feel them!

Also known as Horizontal Air Flow (HAF) fans, these fans move air in a coherent horizontal pattern creating a gentle 'racetrack' air flow pattern needed in greenhouses to maximize heat distribution and humidity control by mixing the air, from ceiling to floor.

Features and Benefits

• Deep guard design for unmatched performance, low noise levels and safety without sacrificing airflow
• Matched high quality motors and blades for maximum efficiency
• Powder coated steel guards for increased durability and corrosion resistance
• Hot dipped galvanized guards on VK12-GA and VK20-GA models for even greater rust protection
• Powder coated steel mounting bracket and power cord included
• Wide variety of mounting options available for flexible and easy installation
• Variable speed controls available
• Misting kits available for even greater cooling
• Two year warranty
• Made in the USA

Disposable Flame Retardant Poly Ducting, 500'

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

VK12TF-SPM-W 12" Versa-Kool Tent Fan, Wired Cord, Standard Pole Mount, All White by Schaefer

Schaefer pole mounted tent fans are ideal for tent cooling, heat circulation and detracting bugs. The all-white 12" fans blend in with most tents and are so quiet you don't hear them, you only feel them. Simply mount them on the tent side poles and turn them on. Use one tent fan every 15-20 feet.

Features and Benefits

• Mounts onto tent poles, saving floor space
• Wide variety of mounting options available for flexible and easy installation
• Quiet operation, high efficiency and output
• Easily stored and transported
• Misting kits available for even greater cooling

T4-ZOZA-STANDARD-CRD T4 Personal Gas Monitor, 2 Gas - O2, CH4 % LEL, Alternate Alarm Levels / Certifications, Cradle Charger by Crowcon

T4 integrates innovative safety features and an intuitive, rugged design to provide advanced protection for those working in harsh environments. This portable multigas detector, which is exceptionally easy to use and service, protects against the four most prevalent gas hazards: carbon monoxide (CO), hydrogen sulphide (H₂S), flammable gases and oxygen (O₂) depletion.

Features

• TWA resume function - unique to T4, this innovative feature ensures toxic gas exposure is calculated accurately over an entire shift, even if T4 is switched off for a break or during travel to another site.
• 18 hour battery life - safely work multiple or longer shifts between charges, covered by the 18 hour battery life.
• Backlit display - large, clear display with backlight and option to flip the screen 180° for easy viewing while worn.
• Rugged design - with a thick anti-shock rubber casing and drop-tested to 13.1 feet on concrete, T4 provides dependable operation under the most demanding use.
• Water & dust-resistant to IP65 & IP67 - provides protection in the harshest environments.
• Dedicated sensors - one sensor for every gas ensures effective, fast and reliable detection.
• Positive safety indicator - a simple 'traffic light' status indicator which, at a glance, provides visual assurance of operational and compliance status to both users and supervisors. Green light - Working safely. Red light - Attention required
• Intrinsically safe - ATEX approved and UL Class 1 Div 1 for safe operation in a wide range of hazardous environments.
• Multiple alarms - audible 95dB alarm, bright red/blue LED's and vibrating alerts provide effective warning to gas hazards.
• Easy operation - large single button and intuitive menu system minimize training and allow easy operation while wearing gloves.

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

T4-ZOZA-ES-CRD T4 Personal Gas Monitor, 2 Gas - O2, CH4 % LEL, Alternate Alarm Levels / Certifications, Cradle Charger by Crowcon

T4 integrates innovative safety features and an intuitive, rugged design to provide advanced protection for those working in harsh environments. This portable multigas detector, which is exceptionally easy to use and service, protects against the four most prevalent gas hazards: carbon monoxide (CO), hydrogen sulphide (H₂S), flammable gases and oxygen (O₂) depletion.

Features

• TWA resume function - unique to T4, this innovative feature ensures toxic gas exposure is calculated accurately over an entire shift, even if T4 is switched off for a break or during travel to another site.
• 18 hour battery life - safely work multiple or longer shifts between charges, covered by the 18 hour battery life.
• Backlit display - large, clear display with backlight and option to flip the screen 180° for easy viewing while worn.
• Rugged design - with a thick anti-shock rubber casing and drop-tested to 13.1 feet on concrete, T4 provides dependable operation under the most demanding use.
• Water & dust-resistant to IP65 & IP67 - provides protection in the harshest environments.
• Dedicated sensors - one sensor for every gas ensures effective, fast and reliable detection.
• Positive safety indicator - a simple 'traffic light' status indicator which, at a glance, provides visual assurance of operational and compliance status to both users and supervisors. Green light - Working safely. Red light - Attention required
• Intrinsically safe - ATEX approved and UL Class 1 Div 1 for safe operation in a wide range of hazardous environments.
• Multiple alarms - audible 95dB alarm, bright red/blue LED's and vibrating alerts provide effective warning to gas hazards.
• Easy operation - large single button and intuitive menu system minimize training and allow easy operation while wearing gloves.