The testo 635-1 is for measuring air moisture, material equilibrium moisture, and pressure dew point in compressed air systems. Up to 3 temperature or humidity probes can be displayed; data transmission is radio-controlled, or wireless. Measurement data can be transmitted by infrared to the Testo printer. It is also possible, during cyclical printing, to print measurement data once every minute, for example.
The testo 635-1 immediately displays the dew point difference between ambient air and the wall surface, when analyzing moisture on walls and ceilings.
There are precision probes up to -60°C tpd available to inspect pressure dewpoint in compressed air systems. The humidity sensor developed by Testo has proven itself world-wide and has outstanding features in terms of precision, long-term stability, temperature resistance and robustness.

Features:

Probes available as an option mean you can measure air humidity, temperature, absolute pressure, and dew point in compressed air
Measures air moisture, material equilibrium moisture, pressure dew point
Calculates dew point and dew point distance
Cyclical printing of readings once a minute, for example

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TESTO 616 - MOISTURE METER

• Measures moisture in wood / building materials
• Non-destructive / precise measurements up to 2?in.
• 10 characteristic curves for different types of building material / wood
• Backlit display / hold function / min/max memory / ergonomic design

TESTO 875-1I - ADJUSTABLE FOCUS THERMAL IMAGER (160 X 120 FPA)

• Solar mode identifies solar intensity values
• SuperResolution Technology enhances image quality to 320 x 240
• Automatic hot/cold spot recognition
• Advanced report writing and image analysis with included software

TESTO 750-2 - DIGITAL VOLTAGE TESTER WITH GFCI TEST

• GFCI Test Function
• Single probe voltage testing
• Patented all-around viewable LED voltage bar indication
• Phase sequence test for determining motor rotation and polarity detection for VDC measurements

TESTO 330I LX - ADVANCED FLUE GAS ANALYZER KIT

• Operation independent of measuring location and display of readings via smartphone or tablet and the testo 330i App
• Paperless documentation and report creation on site with the testo 330i App
• Reliable attachment of the flue gas probe with the testoFix probe holder
• Robust, completely enclosed plastic housing for use in harsh environments

TESTO 206 PH3 - ONE-HAND PH/TEMPERATURE MEASURING INSTRUMENT FOR CONNECTING EXTERNAL PROBES

• External pH probe can be connected - for flexible use
• Automatic final value recognition
• Robust and waterproof thanks to TopSafe (IP 68)
• Automatic temperature evaluation (if a probe with temperature sensor is connected)

TESTO 176H2 - FOUR-CHANNEL HUMIDITY AND TEMPERATURE DATA LOGGER

• Parallel temperature and humidity measurement
• External temperature and humidity probes for quick, accurate measurements
• Rugged metal housing to protect the logger against impact, dirt, and moisture
• Large data memory capable of storing 2,000,000 measurements

TESTO 805I - INFRARED THERMOMETER WIRELESS SMART PROBE

• Measures non-contact temperature
• Optic target ratio (10:1)
• Measurement area indicated by a circular laser pattern, which assures accurate assessments
• Photograph objects with smart device, capturing measurement marker and temperature values for reference and reporting

TESTO 545 - LIGHT METER

• Precise light intensity readings in lux
• Large memory of up to 3,000 readings
• Selective / time-based averaging
• Measuring site management with optional software: up to 99 measuring sites available

TESTO 440 - VANE KIT WITH BLUETOOTH (&OSLASH; 3.9

• Easy storage and evaluation of measurement data - internal memory for up to 7,500 measurement protocols, which can be read via USB port and further processed as a CSV file on the computer (e.g. with Excel)
• Practical rear magnets for secure attachment of the measuring instrument to metal surfaces (e.g. ducts)
• Automatic detection of probes, e.g. vane probe
• Large, backlit color display

TESTO 826-T4 - INFRARED THERMOMETER WITH LASER MARKING AND PENETRATION PROBE FOR FOOD (6:1 OPTICS)

• Even more accurate measurements thanks to the new processor
• Improved control of limit values due to min./max. function
• Combined instrument with infrared and penetration measurement
• Optical and audible alarm