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 417 KIT - ROTATING VANE ANEMOMETER

• Soft carrying case for worry-free transportation
• Air velocity, CFM, and temperature measurements
• Multi-point and timed average calculations for in-duct readings
• Bright backlit display provides easy viewing in any environment

TESTO 184 T3 - TEMPERATURE USB TRANSPORT DATA LOGGER WITH LCD DISPLAY

• Long battery life of up to 500 consecutive days with large memory capable of 40,000 readings
• Replaceable battery for unlimited use
• PDF Reports allow for quick access to non-corruptible documentation - without installed software!
• NFC (Near Field Communication) allows for easy access of documentation with a compatible device

TESTO 416 - SMALL VANE ANEMOMETER

• Small (0.63 inch) vane for in-duct measurement
• Direct display of volume flow (CFM)
• Multi-point and timed average calculations make fast and simple work of duct traverses
• Bright backlit display provides easy viewing in any environment

TESTO 315-3 BLUETOOTH - CO AND CO2 METER FOR AMBIENT MEASUREMENTS

• High-precision electrochemical CO sensor, shock resistant infrared CO2 sensor
• Visual and audible alarm when thresholds are breached - adjustable thresholds
• Rugged design
• TÜV certified according to DIN EN 50543 standard

TESTO 770-2 - HOOK CLAMP METER WITH THERMOCOUPLE ADAPTER

• Unique hook-on function separates and grabs wires, without using your hands
• Retractable post makes hook release fast and easy
• µA for flame rod (ignition flame sensor) testing, and can measure temperature using type K thermocouple adapter

TESTO 872 - THERMAL IMAGER WITH APP

• Highest image quality: IR resolution of 320 x 240 pixels, via integrated testo SuperResolution Technology 640 x 480 pixels
• Precise measurement: thermal sensitivity of 0.06°C
• Smart and wireless: use your mobile device with the free testo Thermography App and wirelessly transmit readings from the testo 770-3 clamp meter and the testo 605i humidity measuring instrument (both available separately)
• Innovative functions, such as testo ScaleAssist and testo ?-Assist for comparable, error-free thermal images

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 608-H1 - THERMAL HYGROMETER

• With dew point calculation and max/min display
• Humidity sensor is not affected by condensation
• Large, clear display
• Durable quality: capacitive humidity sensor with long term stability for many years of measurement

TESTO 871 - THERMAL IMAGER WITH APP

• Very good image quality: IR resolution of 240 x 180 pixels, via integrated testo SuperResolution Technology 480 x 360 pixels
• Smart: the free testo Thermography App enables you to write and send reports on site, as well as saving them online, and lots more.
• Wireless networking: wireless transmission of readings from the testo 770-3 clamp meter and the testo 605i thermohygrometer (both available separately)
• Innovative functions, such as testo ScaleAssist and testo ?-Assist for comparable, error-free thermal images

BASE (SMS-ALARM) - INCLUDING GSM MODULE FOR SMS ALARM

• Up to 150 probes can be connected
• Graphical display, 4 control keys
• Interfaces: radio, Ethernet, USB
• GSM module for sending alarm messages via SMS