Four channel data logger with pulse and two-state inputs

Data logger is designed to record from four binary inputs or from two pulse and two binary inputs.
The recording is performed in a non-volatile electronic memory. The data can be transferred to a PC via USB-C.

Datalogger inputs can be set up for four binary inputs or two binary inputs and two pulse counters.

In case of exceeded set limits alarms are indicated by LED, LCD and acoustically by built-in beeper.

The device includes Traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.

Included in delivery:

U7844
Manual
Traceable calibration certificate
Technical support at discussion forum
FREE analytical software COMET Vision

code

U7844
Warranty

3 years

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Technical data

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), 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 Lithium battery 3.6V, size AA

Protection class IP20

Dimensions 61 x 93 x 32 mm

Weight (including batteries) approx. 120 g

Warranty 3 years

Four channel data logger with pulse and two-state inputs

Technical data

Measured value

BINARY INPUT

COUNTER INPUT

GENERAL TECHNICAL DATA

Optional accessories and download

Software

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Manuals

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