U0843M IoT Wireless Temperature Datalogger for 2 external probes, with two two-state inputs, built-in 2G modem

Included in delivery:

• U0843M   
• Instruction Manual   
• Traceable Calibration Certificate  
• Rechargeable Battery   
• Power Supply  
• USB-C Cable  
• FREE FULL VERSION Analytical Software COMET Vision 
• COMET Cloud for 3 Months

Technical data

Measured value

Temperature

Two-state signal


TEMPERATURE SENSOR - external probe Pt1000

Measuring range -200 to +260 °C
Accuracy ±0.2°C; ±0,2 % of the measurement value in a range of +100 to +260 °C
Resolution 0.1 °C
Response time t90 of temperature measurement (temperature step 20°C, air flow approximately 1m/s) according to the connected probe

BINARY INPUT

Parameters of the voltage contact „L“ level input voltage:< 0,4 V(*);
„H“ level input voltage:> 2 V;
Minimum voltage applicable:0 V;
Maximum voltage applicable:+30 V DC
Parameters of the voltage-free contact Contact resistance in „switched-on“ state:< 10 kOhm;
Contact resistance in the „switched-off“ state:> 300 kOhm;
Contact voltage in the „switched-off“ state:ca 3 V;
Minimum state duration necessary for latching the state:1s

GSM MODEM PARAMETERS

Quad-band 850/900/1800/1900MHz
Compliant to GSM Phase2/2+
GPRS GPRS mobile station class B
Class 4 2W @ 850/900MHz
Class 1 1W @ 1800/1900MHz

GENERAL TECHNICAL DATA

• Operating temperature: -20 to +60 °C
• Channels: 2x external temperature probe, 2x binary input
• Memory: 500,000 values in noncyclic logging mode; 350,000 values in cyclic record mode
• Recording interval to the internal memory adjustable: from 1 second to 24 hours
• Recording interval to the COMET Cloud: from 5 minutes
• Interval for measuring and evaluating alarms: adjustable 1 s, 10 s, 1 min
• 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 rechargeable: Li-Ion battery A8200, 3.6V/5200mAh
• Protection class: IP20
• Dimensions: 61 x 93 x 53 mm, with antenna 120 x 93 x 53 mm
• Weight (including batteries): approx. 270 g
• Warranty: 3 years