D3121 | Thermo Hygrometer

Thermometer, hygrometer is designed for measurement and datalogging of temperature, relative humidity into the internal non-volatile memory.

Free PC program enables to transfer recorded data to the computer for evaluation. LCD back-light.

Audio and optical alarm of measured values.
Memory of minimum and maximum measured values.
Function Hold - manual storing of actual values for later displaying.

Data logger is connected to the PC through included USB cable only for data transfer from the memory. During connection with the PC no measurement and record is enabled.

Simultaneous reading of temperature and relative humidity, dew point temperature reading selectable, external temperature-humidity probe with 1 meter cable. Probe diameter is 18mm, length 135mm.

INCLUDED IN DELIVERY:

• D3121
• Instruction Manual
• Traceable Calibration Certificate
• Battery 9 V
• Mini USB Cable
• Plastic Transport Case
• Self Adhesive Dual Lock for Easy Installation
• FREE Analytical Software COMET Vision

MEASURED VALUE
Temperature
Relative humidity

TEMPERATURE SENSOR
Measuring range -30 to +105 °C
Accuracy ±0.4 °C
Resolution 0.1 °C

HUMIDITY SENSOR
Measuring range 0 to 100 % RH
Accuracy ±2.5 % RH from 5 to 95 % at 23 °C
Resolution 0.1% RH

DEW POINT
Measuring range -50 to +80 °C
Accuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %
Resolution 0.1 °C

GENERAL TECHNICAL DATA
Operating temperature electronics -10 to +60 °C, external probe -30 to +105 °C
Channels 1x connectable temperature+humidity probe
Acoustic signalization + backlit LCD YES
Memory 16,000 values (non-cyclic record)
Recording interval adjustable from 10 s to 24 h
Measuring interval and display reading refresh 0.7 to 5 s
Recording mode noncyclic – data logging stops after filling the memory
cyclic – after filling memory oldest data is overwritten by new
Real time clock year, leap year, month, day, hour, minute, second
Power battery 9 V or 12 Vss adaptor with NiMH 9 V battery
Battery life approx. 6 months
Protection class IP20 electronics, IP40 sensors
Dimensions (without connectors) 191 x 71 x 27 mm; length/diameter of external probe 135/18 mm
External probe cable length 1 meter
Weight (including batteries) approx. 150 g
Warranty 3 years