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Explosion-proof pH/ORP transmitter
Model No： PHD-99S
APPLICATIONS：sewage treatment, wastewater monitoring, water purification testing, acid and base neutralization and chemical reaction and other industrial processes.
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Feature
- Intelligent instrument. Through two buttons calibration and parameter setting, check the performance parameters of the electrode, easy to operate.
- Backlit LCD displays pH (mV), temperature, and output percentage.
- 24VDC two-wire system, output 4-20mA corresponding range can be set arbitrarily.
- Manual/automatic temperature compensation, PT100/PT1000 temperature sensor can be switched on site by setting.
- Calibration and parameter adjustment, through the key operation; The magnetic bar can be used outside the shell for flameproof occasions, which is safer and more reliable.
Technical specification
| Measuring range | Ph 0 ~ 14pH, ORP -1999 ~ +1999mV |
| Instrument resolution | 0.01pH(±0.1mV) |
| Measurement accuracy | ±0.02pH (±1.2mV) |
| Instrument stability | ±0.02pH (±1.2mV) |
| Temperature compensation range | -10 ~ 100℃ |
| Analog output | 1×4 ~ 20mA, loop load 500Ω,
HART protocol for optional |
| Ambient temperature | -10 ℃ to 55℃ |
| Ambient humidity | 5% to 90% without condensation |
| Protection level | IP65 |
| Power supply | 24VDC |
| Transmitter dimensions | 160×126×168mm |
| Weight | transmitter 1.6kg, tube mount support 0.7kg |
| Explosion-proof grade | flameproof ExdIICT6Gb |
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