Instruction Manual

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2 Technical Specifications
2.1 Technical Parameters
pH
Range
(-2.00 – 19.99) pH
Resolution
0.1/0.01 pH
Accuracy
±0.01pH±1 digit
Input Current
≤2×10
-12
A
Input Impedance
≥1×10
12
Ω
Stability
±0.01 pH±1 digit/3h
Temp. Compensation Range
(0 – 100)˚C (Automatic or Manual)
mV
(ORP)
Range
-1999mV – 0 – 1999mV
Resolution
1mV
Accuracy
±0.1% FS
Temp.
Range
-10˚C – 110˚C
Resolution
0.1˚C
Accuracy
5 – 60˚C：±0.5˚C±1 digit Other：±1˚C
2.2 Other Technical Parameters
Data storage
600 groups
Storage content
serial number, date, time, measurement value,
temperature value, ATC or MTC state
Communication connector
RS232
Power
DC9V/0.5A
IP rated
IP 54 dustproof and splash-proof
Size and weight
160 × 190 × 70mm/880g
Quality and safety certification
ISO9001:2015 and CE