Comet U6841 Data logger for 3 current inputs 0-20mA and 1 two-state input (Lithium 3.6V, AA)

Measured value: Current, Two-state signal

Current input:

Measuring range: 0 to 20 mA DC

Resolution: better than 1 µA

Accuracy: ±20 µA

Input resistance: approx. 100 Ω

Minimum current: 0 mA (open circuit)

Maximum current: limited to approx. 40 mA

Binary input:

Parameters of the voltage contact: "L" level input voltage:< 0,8 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: > 2 MOhm;

Contact voltage in the "switched-off" state: ca 3 V;

Minimum state duration necessary for latching the state: 1s

Operating temperature: -20 to +60 °C

Channels: 3x current input, 1x binary input

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

Included in delivery:

U6841

Instruction Manual

Traceable Calibration Certificate

1x Lithium battery 3.6 V

FREE FULL VERSION Analytical Software COMET Vision

USB COMMUNICATION CABLE IS NOT INCLUDED IN DELIVERY

Datasheet

Manual