Online PH meter/acid controller with 4-20mA
Application
Widely used in environmental protection, sewage treatment, thermal power, breeding, food processing, printing, metallurgy, pharmacy, fermentation, chemical industry, water and other solution PH value of the online detection,swimming pool,agriculture
Main technical parameters:
1.Measuring range: -2.00 ~ 16.00 PH, - 1999 ~ 1999 mv (ORP), -10~130.0°C
2.Resolution: 0.01 PH, 1 mv, 0.1°C
3.Level: +/- 0.02 PH, ±1 mv, +/-0.3°C
4.Stability: ≤0.01 pH/24 h
5.PH standard liquid combination: 6.86/4.00/9.18 10.01/7.00/4.00
6.Temperature compensation: 0 ~ 99.9°C(PH)
7.Calibration adjustable scope: zero+/-1.45 pH; Slope plus or minus 30%
8.Control interface: two groups of ON/OFF relay contact, divided into high and low alarm control.
9.Signal isolation output: 4~20 mA isolation protection output
10.Relay: relay lag value can be set randomly,relay load 10A 220VAC
11.Working conditions: environmental temperature is 0 ~ 60°C, relative humidity is 90% or less
12.Input impedance: >1 x 1012Ω
13.Output load: load<500Ω (0-10 mA), load <750 Ω (4-20 mA)
14.Working voltage: 220VAC 10%, 50/60HZ
15.Dimensions: 96x96x100 mm
16.Open hole size: 92x92mm
17.Weight: 0.9 Kg