| Screen size | 2.8 inch monochrome LCD, Resolution:128*64 |
| Dimension | Overall dimension: 96mm×96mm×113mm |
| Cutout dimension: 92mm×92mm | |
| Weight | 0.5kg |
| Variables | pH/ORP |
| Measure range | pH：0.00~14.00pH |
| ORP：-2000mV~2000mV | |
| Accuracy | pH：±0.02pH； ORP：(-2000 ~ -1000)mV，±2mV，(-1000 ~ 1000)mV，±1mV (1000 ~ 2000)mV，±2mV |
| Input resistance | ≥1012Ω |
| Temperature compensation | NTC10K：-10℃~60℃ Accuracy ±0.3℃，60℃~130℃ Accuracy ±2℃ |
| Range：-10℃~130℃ Manual/Auto | |
| Current output | Isolated, 4mA ~ 20mA can be set corresponding to pH / ORP measurement range, maximum loop is 750Ω,±0.2%FS |
| Alarm | 2 channels, Pickup/Breakaway AC250V/3A |
| Relative humidity | 10%RH ~85%RH (no condensation) |
| Working temperature | 0~60℃ |
| Power supply | AC：220V±10%，50Hz；DC：24V |
| Power consumption | ≤5W |
| Storage | Temperature：-15℃~65℃ |
| Relative humidity：5%~95% (no condensation) | |
| Altitude：<2000m |
SUP-PH163S industrial pH meter is an online pH analyzer with 4-20mA analog signal, RS-485 digital signal and relay output. Can be used for industrial processes and water treatment processes pH control, and support remote data transmission, etc.