ZRN-PH-C type PH meter, pH meter

ZRN-PH-C type PH meter, pH meter
 

Product description:

ZRN-PH-C type PH meter, pH meter Notable features:
① automatic identification standard solution
② can be a key recovery (return to factory settings )
③ plurality of different display modes
④ multiple super bright LED backlight
⑤ high and low alarm
Technical Parameters:
1, measuring range : 0.00 ~ 14.00pH or -1999 ~ + 1999mV
2. Resolution : 0.01pH or 1mV
3, Level: 0.05
4, stability : ± 0.03pH / 24h
5, correction adjustable range : zero ± 1.50pH, the slope of 70% to 130%
6, pH standard solution : 6.86 / 4.00 / 9.18 7.00 / 4.00 / 10.00
7, temperature compensation : 0 ~ 99.9 ℃ ( automatic or manual)
8, the signal output : 4 ~ 20mA ( Opto- isolated outputs
)
9, the control interface : ON / OFF relay contact
10, the relay under load : MAX 220V AC 5A
11, relay hysteresis : 0.01 ~ 3.00pH or 0 ~ 300mV freely adjusted
12, a signal output load : ≤500Ω
13, the signal input impedance : ≥1 * 1012Ω
14, the working voltage : AC220V ± 10% 50 / 60Hz
15, Dimensions : 96 * 96 * 115mm
16, hole size : 92 * 92mm
17, Weight : 0.8Kg
18, 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