COMET U7844M IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in GSM
Category: Wireless
Quick Overview:
GSM datalogger is designed to record from four binary inputs or from two pulse and two binary inputs. In case of exceeded set limits, SMS and JSON messages can be sent via GPRS data connection. Measured values can be sent to the internet storage COMET Cloud, which is a complete monitoring, alarm and analysis system.
It is also possible to set the regular sending of JSON messages to COMET Database, the sending interval is adjustable. Alarms are also indicated locally by LED, LCD and acoustically by built-in beeper.
The recording is performed in a non-volatile electronic memory. The data can be transferred to a PC via included USB-C cable.
GSM datalogger inputs can be set up for four binary inputs or two binary inputs and two pulse counters.
The device includes Traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.
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CodeU7844M
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Warranty3 years
TECHNICAL DATA
MEASURED VALUE
Two-state signalPulsesBINARY 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 DCParameters 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:1sCOUNTER INPUT
Counter parameters Range 24 bits (16 777 215), possibility of letting the counter overflowMaximum pulse frequency configured for voltage input - max. 5kHz
configured for a voltage-free or open-collector transistor - max. 200HzGENERAL TECHNICAL DATA
Operating temperature -20 to +60 °CChannels 4x binary input nebo 2x binary input a 2x counterMemory 500,000 values in noncyclic logging mode; 350,000 values in cyclic record modeRecording interval adjustable from 1 s to 24 hDisplay and alarm refresh adjustable 1 s, 10 s, 1 minRecording mode noncyclic - data logging stops after filling the memory
cyclic - after filling memory oldest data is overwritten by newReal time clock year, leap year, month, day, hour, minute, secondPower battery SONY LiIon 5200mAhProtection class IP20Dimensions 61 x 93 x 53 mm, with antenna 120 x 93 x 53 mmWeight (including batteries) approx. 270 gWarranty 3 years -
COMET U7844M IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in GSM
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