testo 645 - Humidity measuring instrument for industry

• 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

 

• Unique hook-on function separates and grabs wires, without using your hands
• Retractable post makes hook release fast and easy
• Inrush (starting) current capture, APO (Auto Power Off), and Min / Max / Hold

 

• Up to 150 probes can be connected
• Graphical display, 4 control keys
• Interfaces: radio, Ethernet, USB
• Alarm relay for connecting alarm transmitters

 

• 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

 

• External thermocouple parallel connections provide reliable temperature monitoring at up to four sites
• Large, easy to read, bright, backlit display makes it easy to see the current temperature
• Large data memory capable of storing 2,000,000 temperature readings
• Rugged and waterproof according to IP54

 

• High quality optional sensors for measuring air flow / temperature / humidity / pressure / degree of turbulence / heat radiation / CO2 / illumination intensity / PMV / PPD / WBGT
• High precision, integrated pressure difference sensor included
• Pro-software for easy and efficient analysis and logging included
• Intelligent calibration concept

 

• 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

 

• Ideal for measuring the pH value and temperature in semi-solid media, e.g. in meat
• Combined pH measuring tip with temperature probe - can be changed by the user
• Maintenance-free pH measurement thanks to gel electrolyte
• Two-line, illuminated display: pH value and temperature at a glance

 

• Very good image quality: IR resolution of 160 x 120 pixels, via integrated testo SuperResolution Technology 320 x 240 pixels
• Visualizing temperature differences from 0.12°C
• Automatic detection of hot and cold spots

 

• Multi-function climate measuring instrument: measure up to 6 measurement parameters at the same time
• Internal reading memory for up to 3,000 readings
• Automatic allocation of the duct cross-section to the measuring location (max. 99 measuring locations)
• Automatic mean value calculation and determination of the volume flow