Hach POLYMETRON 9135 - Features

Transmitter 9135 - pH/redox measurement
Page 7
Features
OPERATING CONDITIONS
Ambiant temperature -20°...+60°C
Relative humidity
Power supply voltage fluctuation
Over voltage category
Pollution degree
Altitude
Measurement category
10...90%
± 10 %
2
2 (as CEI 664)
< 2000 m
I (overvoltage less than 1500 V)
MEASURE
Display range 0 ... 14 pH (possibility to measure up to -3 pH)
-1500 mV.... 1500 mV
-20°C ... 200°C (-4°F...392°F)
Display resolution 0.01 pH / 0.1 pH (adjustable)
1 mV
0.1°C
Repeatability
± 0.02 pH
± 1 mV
± 0.2°C
Temperature sensor Pt 100 / Pt 1000
Automatic temperature
compensation range
-20 ... 200°C
-4 ... 392°F
Temperature compensation range Nernst
ultrapure water
different tables
Electrode type - glass (with or without preamplifier)
- antimony
- redox
- programmable (slope + Uiso + pHiso)
Cable length 0 ... 25 m (high impedance)
0 ... 100 m (low impedance)
Sensor inputs differential measurement
Input impedance
> 10
12
Ω
Impedance measurement
glass : 5M Ω .... 1G Ω
reference: 100 Ω ... 1M Ω