ZRN-RY-7120 dissolved oxygen meter

ZRN-RY-7120 dissolved oxygen meter
 

Product description:

ZRN-RY-7120 dissolved oxygen meter ( self-cleaning type ) Notable features:
①, self-cleaning sensor
②, can be a key recovery (return to factory settings )
③, multiple parameters simultaneously display
④, three sets of relay control
⑤, a plurality of different display modes
⑥, button audio feedback
⑦, German gas imports waterproof housing
Technical Parameters:
1, measuring range : 0.00 ~ 19.99mg / L
2, Resolution : 0.01mg / L
3, the slope of the calibration range : 50 to 150%
4, electrode cleaning time : 1s ~ 99m59s
5, cleaning interval : 1 ~ 720min
6, the temperature compensation range : 0.0 ~ 45.0 ℃ ( automatic or manual)
7, relay control range : 0.00 ~ 19.99mg / L
8, the amount of hysteresis adjustment range : 0 ~ 3.00mg / L
9, the current output : Optical isolated (reversible ) 4 ~ 20mA
10, a signal output load : ≤500Ω
11, power supply voltage : AC 220V ± 10%
12, Dimensions : 185 * 155 * 115mm
13 meter Weight : 1.1Kg
14. Installation: Wall
15, the instrument of the working conditions:
① ambient temperature : -5 ~ 55 ℃
② air relative humidity : ≤90%
③ outside the Earth's magnetic field around strong magnetic field interference except