General Tools DOM2001CERT - NIST Calibration Certificate - Intelligent Disolved Oxygen Meter has automatic temp. compensation from 32 to 122°F for sensor. The General Tools disolved oxygen meter records Maximum and Minimum readings with recall. Formerly Mannix Instrument.

E Instruments VT50 is equipped with unique features such as a high stability, good repeatability and fast response. E Instruments VT50 mini air hw pro keeps high accuracies of measurements at bad ambients. A thermistance with negative temperature factor is used for air velocity measuring. With the hot wire thermo anemometer, optional dedicated cones allow measuring the airflow. The VT50 anemometer ambient temperature is measured with a RTD Pt100. Discontinued product - Replaced by E Instruments VT100.

Testo Parts and Accessories - Testo 417-Battery Vane Probe CFM Anemometer Rechargeable Battery.

Testo 330-1 LL Combustion Analyzer Kit1 Special Sale! Testo 330-1 LL Combustion Analyzer Kit1 is a complete combustion analyzer for advanced heating technicians. Testo 330-1 combustion analyzer kit1 combines advanced sensor design, unique gas-path technology and proven electronics for the new age ofcombustion analysis ...all in the palm of your hand. Made in Germany. Free ground shipping within continental USA.

Testo 330-1G LL Combustion Analyzer Kit3 with printer is a complete combustion analyzer for advanced heating technicians. Testo 330-1 LL Combustion Analyzer kit3 combines advanced sensor design, unique gas-path technology and proven electronics for the new age ofcombustion analysis ...all in the palm of your hand. New with graphical display. Made in Germany. Free ground shipping within continental US.

Testo 330-1 LL Combustion Analyzer Data Kit5 with a printer is a complete combustion analyzer for advanced heating technicians. Testo 330-1 LL Combustion Analyzer kit5 combines advanced sensor design, unique gas-path technology and proven electronics for the new age of combustion analysis ...all in the palm of your hand. Made in Germany. Discontinued product - suggested replacement Testo 330-1G LL Combustion Analyzer Kit 5

Testo 315-2 Ambient Carbon Monoxide Analyzer provides error-free CO calibrations zeroing. This ambient carbon monoxide gas analyzer comes with ambient CO safety checks.

Testo 405-V2 Air Velocity Stick is sensitive enough to pick up leakage around doors and windows. This air velocity stick provides CFM and velocity measurement in ducts. Discontinued product - only metric version 405-V1 still available.

Testo 405-V1 Air Velocity Stick Meter is a hot wire anemometer that can take temperature and air velocity measurements (Metic Only!). The probe is telescopic and extends up to 11.8 inches giving it great versatility.

Testo 110 Wireless Thermometer Kits user-adjustable audible alarm limits aid in temperature control. This wireless thermometer kits "Auto-Hold" function automatically recognizes stable values.

Testo 925 Type K Digital Thermometer Wireless Kit features wireless and wired probe testing. The Testo 925 features data freeze, illuminated display, programmable audible alarms, and differential temperature testing.

The Testo 805 Miniature Infrared Laser Thermometer is designed to accurately measure without direct contact. Excels in the food industry.