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Four channel GSM data logger with pulse and two-state inputs with built-in modem

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Four channel GSM data logger with pulse and two-state inputs with built-in modem Comet Data Loggers Comet Products


Technical data

Value
Measured value Two-state signal
Pulses
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
COUNTER INPUT  
Counter parameters Range 24 bits (16 777 215), a possibility of letting the counter overflow
Maximum pulse frequency configured for voltage input - max. 5kHz
configured for a voltage-free or open-collector transistor - max. 200Hz
GENERAL TECHNICAL DATA  
Operating temperature -20 to +60 °C
Channels 4x binary input Nebo 2x binary input a 2x counter
Memory 500,000 values in noncyclic logging mode; 350,000 values in cyclic record mode
Recording interval adjustable from 1 s to 24 h
Display and alarm refresh 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 battery SONY LiIon 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

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