The pH meter tester is a metering test tool product that can be used for precision metering of various types of pH acidometers, ion meters, and high resistance millivoltmeters.
This instrument is portable AC and DC power supply, can be used in the laboratory or in the field.
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Model |
DpHJ-2 |
DpHJ-3 |
|
Accuracy level |
0.003 |
0.0006 |
|
Output signal and accuracy |
pH:±0.003pH pXII:±0.006pXII mV:±0.50mV (＜1V) ±1.00mV (≥1V ) |
pH: ±0.0006pH pXII: ±0.0012pXII mV: ±0.12mV (＜1V) ±0.25mV (≥1V ) |
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Low impedance |
≤2kΩ |
|
|
High impedance |
1000MΩ |
|
|
Ambient temperature |
17℃～23℃ |
|
|
Relative humidity |
≤80％ |
|
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Power supply |
AC220±22V/50Hz |
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