$25 - $50

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

35002-11 Waterproof/Shock-Resistant Digital Stopwatch by Digi-Sense

Economical and rugged stopwatch features separate stop/stop and reset buttons. Includes alarm clock that shows time of day and day of week. Also includes split-mode timing to freeze the split-time display while total timing continues. Water, dust, and shock-resistant.

Includes:

46"L neck cord and 1.5 V button cell battery.

TT72V Class 7.2 TDG Label (Vinyl) by GHS Safety

Shipping Labels are essential for packages that contain dangerous goods. GHS labels are available in two materials. Paper for indoor applications and in vinyl for extended outdoor usage using a fade resistant ink. These labels meet the UN Recommendations on the Transport of Dangerous Goods.

Available in 500/roll formats.

08107-26 Surface Thermometer, 2.5" Face, 1-Spring Pipe Mount, 0 to 500 ° F by Digi-Sense

Fast, reliable, method of measuring surface temperature of pipes and other rounded surfaces. The temperature sensor is protected from drafts and other heat sources by a barrier guaranteeing integrity of readings. Two different models are available which are designed to fit around a large range of diameter surfaces. The 2 ½" model has a rugged 304SS case and is supplied with a single 300 series SS spring for mounting rounded surfaces of 1" and smaller. Both models are supplied with a heat treated bi-metallic sensor.

• For reference only, not intended for applications where a precise reading is required
• Item is not recommended to be calibrated

WD-20250-38 Optional Tri-POD Stand for Meters by Digi-Sense

Use this tripod stand to mount select Digi-Sense test and measurement instruments for stationary measurement applications.

PH0100SIUN23 pH Safe 1 Neutralization cartridge by Sauermann

The pH Safe 1 Neutralization Cartridge is safe, easy-to-install and eco-friendly. It's capable of neutralizing up to 200 gallons (800 liters) of acidic condensates at pH3. The pH Safe 1 has been specifically designed to treat condensates produced by gas condensing boilers for use with Sauermann centrifugal tank pumps.

• Preserves the plumbing system and the environment
• Prevents damage to concrete and plastics
• Prevents corrosion on metal parts
• Easy-to-install and replaces; fits right into the tank pump inlet

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

TT30P Class 3 TDG Label (Paper) by GHS Safety

Shipping Labels are essential for packages that contain dangerous goods. GHS labels are available in two materials. Paper for indoor applications and in vinyl for extended outdoor usage using a fade resistant ink. These labels meet the UN Recommendations on the Transport of Dangerous Goods.

Available in 500/roll formats.

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

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

C-2710 Chlorine Dioxide Comparator (flat) by AquaPhoenix

C-2710 High Range Chlorine Dioxide Comparator is a component of K-2705 Chlorine Dioxide CHEMets Visual Test Kit and is designed to be compared against the color formed in R-7404 Chlorine Dioxide CHEMets Refill. The comparator's range is applicable for many disinfection and drinking water applications. Color standards are pink in color and cover a range of 0-10.0 ppm chlorine dixoide (ClO2).

10-116-10 Phosphine Colorimetric Gas Detection Tube, 5 - 50 ppmv (10 Tubes / Box) by RAE Systems

RAE Systems colorimetric gas detection tubes enable quick, on-the-spot measurement of a wide range of toxic and combustible gases and vapors. RAE Systems tubes are easy to read, and provide a sharp, clear color change directly corresponding to the concentration of gas present. RAE Systems tubes are compatible with the RAE Systems piston hand pump, a reliable way to draw samples of an exact volume required for the most accurate measurements.

Key Features

• Wide assortment of tubes available to detect over 300 gases and vapors
• Easyto use, even in multiple layers of gloves
• Easy-to-read with sharp,clearcolorchange
• No calibration or other maintenance required

Applications

• Oil and gas
• Chemicals and petrochemicals
• Agriculture and pestcontro
• Food and beverage production
• Environmental protection
• Fire service
• HazMat response
• Nationalsecurity

TDS18 Conductivity Solution,11.4ppm/18uS, 1Qt by Sensorex

TDS/Conductivity instruments and sensors must be calibrated together. For a single-point calibration, select the one solution that approximates the expected conductivity or ppm level of total salts. Mixed Salt standards are the most frequently used in the field to sample naturally occurring water sources, boiler feed water, or cooling tower water. Typical river water, well water, or lake water sample will contain a mixture of several different salts. Sensorex Mixed Salt standards simulate a "Natural" mixture of common salt compounds found in these sources. Sodium sulfate, sodium bicarbonate, and sodium chloride salts are blended to provide a representative value. There are certain applications where Single Salt Solutions are preferred. NaCl Solution is routinely used to calibrate instruments measuring Sea Water or brackish water samples. Reagent grade salt and high resistivity DI water is compounded for accurate results. KCI Single Salt Solution may be used with conductivity meters that read directly in Siemens or Ohms. KCI (potassium chloride) is established as an international calibration standard for conductivity measurement. Choose the conductivity calibration solution that is right for your application. CA Residents: Prop 65 WARNING(S)