ROC pH/ORP-5500 Series, Инструкция по эксплуатации

Страница: 5 / 17

1.4 Technical features
Model 5500 5510 5520
Power supply DC24V AC110 AC220V
Supply frequency ---------- 50/60 50/60
pH 0.00~ 14.00
ORP -1000mV~ +1000mV
Measurement range
Temp. 0.0 ~99.9
℃
pH 0.01
ORP 1mV Resolution
Temp 0.1 ℃
pH ≤ ±0.05
ORP ≤ ±5 mV Indication error
Temp ≤ ±0.5
℃
Input impedance cause value
error
pH ±0.03
Approx equivalent input impedance 5×10
12
Ω
PH buffer solution 10.0
；
9.18
；
7.00
；
6.86
；
4.00
；
4.01
Temp. compensation error pH ≤ ±0.05
Entire instrument error pH ≤ ±0.1
pH 0.05
Entire instrument
repeatability error
ORP ±2mV
Compensation range Temp. 0 ~ 50 ℃
Temp. 0 ~ 50 ℃
Working environment
Humidity ≤ 85% RH
Cable length ≤ 20m
（
standard 10m
）
Control output double relay
（
single contact ON/OFF
），
hysteresis can be set
3A(max), AC220V/AC110V 3A(max), DC24V
Contact capacity
Power consumption <2.5W
Channels One channel
Isolated, transferable, adjustable,
instrument/transmitter mode
Technical features
(4~20)mA current loop
Loop ≤ 500 Ω
（
max
），
DC24V
Accuracy ±0.1mA
Protection grade level IP65
（
with rear cover
）
2