COMET C3121 - Thermo-Hygrometer mit externer Sonde

The Comet C3121 is the robust thermo-hygrometer with an external probe for precise measurement of temperature, humidity, and dew point. With audio and visual alarm, min/max memory, hold function, and LCD backlight – ideal for industry, storage, and laboratory 

The Comet C3121 is a reliable thermo-hygrometer with an external probe for direct measurement of temperature and relative humidity. This handy measuring device was specifically developed for demanding applications where precise values and fast response are required. With the external temperature-humidity probe featuring a one-meter cable, you can easily reach even hard-to-access locations.

The Comet C3121 impresses with numerous practical functions such as audio and visual alarms when limit values are exceeded, storage of minimum and maximum values, and the hold function for manually saving current readings. The backlit LCD display enables clear readability even in dark environments. At the same time, temperature, relative humidity, and dew point are displayed – the dew point display is freely selectable.

The robust device is ideally suited for use in industry, storage, laboratories, climate chambers, and quality control. High measurement accuracy, ease of operation, and long battery life make the Comet C3121 an indispensable tool for anyone who relies on reliable environmental measurements.

With the Comet C3121, you receive a professional measuring instrument that meets the highest demands for accuracy and user-friendliness. The scope of delivery includes the device, operating instructions, traceable calibration certificate, a 9 V battery, and a practical plastic carrying case.

Why the Comet C3121 is the best thermo-hygrometer with external probe:

• Precise temperature measurement from -30 to +105 °C
• High accuracy of ±0.4 °C for temperature
• Humidity measurement from 0 to 100 % RH
• Dew point measurement from -50 to +80 °C
• Audio and visual alarm for limit monitoring
• Min/max memory and hold function
• Backlit LCD display for good readability
• Long battery life of approx. 4 months
• Traceable calibration certificate included

Technical data:

• Temperature measuring range: -30 to +105 °C
• Temperature accuracy: ±0.4 °C
• Humidity measuring range: 0 to 100 % RH
• Humidity accuracy: ±2.5 % RH (5 to 95 % at 23 °C)
• Dew point measuring range: -50 to +80 °C
• Operating temperature electronics: -10 to +60 °C
• Measurement interval: 0.7 to 5 seconds
• Power supply: 9 V battery or 12 V adapter
• Device dimensions: 141 x 71 x 27 mm
• Weight incl. batteries: approx. 150 g

Available variants:

• Cable length 1 meter
• Cable length 2 meters
• Cable length 3 meters

Scope of delivery:

• C3121
• Operating instructions
• Traceable calibration certificate
• 9 V battery
• Plastic carrying case