The testo 645 humidity and temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy, and temperature, at the touch of a button.

The testo 645 humidity measuring instrument automatically displays the parameters relative humidity, absolute humidity, dew point, degree of humidity, enthalpy, and temperature. Convenient data analysis on your PC with location name.

Features:

High-precision humidity measurement up to ± 1% RH
Internal reading memory (3,000 readings)
Convenient data evaluation via optional PC software
Possibility of attaching a really wide range of optional probes thanks to a large accessory portfolio

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TESTO 720 - TEMPERATURE METER

• Port for one RTD or NTC sensor
• Wide range of optional sensors for individual requirements
• User-defined thresholds, audible alarm
• Optional accessories for individual adaptation, like protection against aggressive media for use in laboratories

TESTO 535 - CO2 METER

• Quick and accurate CO2 measurements
• Long term measurements using max / avg values
• Long term stable / maintenance free infrared sensor
• Optional testo turbo printer for printouts on site

TESTO 826-T2 - INFRARED THERMOMETER WITH LASER MARKING FOR FOOD (6:1 OPTICS)

• Infrared thermometer measures the temperature without any contact and therefore in a non-destructive manner
• 6:1 optics and 1-point laser measurement spot marking
• Limit value monitoring with min./max. function, visual and acoustic alarm if limit values are exceeded
• In conjunction with the protective case TopSafe, the instrument is certified according to EN 13485 (TopSafe is included in the delivery)

TESTO 420 - AIR FLOW CAPTURE HOOD

• Rugged and durable 24" x 24" air flow capture hood weighs less than 6.4 lbs (with base)
• Large, tiltable, removable backlit display makes readings easy to see
• Flow straightener for more precise measurement at turbulent outlets
• App integration via Bluetooth for fast and easy monitoring and reporting on site

TESTO 175T2 - TEMPERATURE DATA LOGGER

• Dual NTC thermistor (1 internal, 1 external) provides reliable ambient and product temperature monitoring
• Large easy to read backlit display
• Capable of storing up to 1,000,000 temperature readings
• Rugged and waterproof according to IP65

TESTO 312-2 - PRESSURE MEASURING INSTRUMENT UP TO 40/200 HPA

• DVGW-tested
• Switchable measuring ranges with high resolution
• Alarm indicator for undershooting of freely adjustable limit values
• Print out of measurement data with the testo fast printer

TESTO 206 PH2 - INSTRUMENT KIT

• pH2 probe head for semi-solid food
• Automatic full-scale recognition
• Maintenance-free gel electrolyte
• Leak-proof storage gel

TESTO 745 - NON-CONTACT VOLTAGE TESTER WITH BUILT-IN FLASHLIGHT

• Two sensitivity levels, with audible and visual indication
• Flashing LED indicates sensitivity range, down to 12 V AC, or standard range above 50 V AC
• Differentiates hot from neutral in AC outlets
• Low pass filter reduces false indications

TESTO 606-2 - MOISTURE METER

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TESTO 316-2 - GAS LEAK DETECTOR

• Integrated pump
• Trend display shows maximum leakage
• Flexible measurement probe for inaccessible places