Specifications
| Measurement parameters | pH, ORP, temperature |
| PH range | -2.00~16.00pH |
| Temperature Measurement Range | -10~130.0℃ |
| PH resolution | 0.01PH |
| Temperature Resolution | 0.1℃ |
| PH Accuracy | ±0.02PH |
| Temperature Accuracy | ±0.3℃ |
| Stability | ≤0.01pH/24h |
| PH standard solution | 6.86/4.00/9.18、7.00/4.00/10.01 |
| Temperature compensation range | 0-99.9℃(PH) ，PT1000 |
| PH correction range | Zero point +/- 1.45PH; slope +/- 30% |
| control interface | Two sets of ON/OFF relay contacts, divided into high point and low point alarm control |
| 4-20mA current output | One current output, photoelectric isolation protection, improve anti-interference ability, 4-20mA corresponding range can be output in reverse. |
| 485 interface | Optoelectronic isolation output, IoT support, (MODBUS protocol partially compatible) |
| relay | The relay lag can be set arbitrarily, and the relay load is 3A 220VAC. |
| Operating Conditions | Ambient Temperature is 0~60 ℃, Relative Humidity ≤ 90% |
| Impedance | ≥ 1 × 10 (12 power) Ω |
| output load | Load < 750Ω (4-20mA) |
| Operating Voltage | 220VAC 10%, 50/60Hz or book DC24V and DC12V Power |
| size | 100×106×168mm |
| opening size | 92×92mm |
| Weight | 0.9Kg |
| Installation method | Disk mount |
| Protection class | IP65 |
Packing list
machine X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/41733/Specification.html , which is only used by users who purchase commodities from the NBCHAO.