| Instrument level | 0.01 level |
| PH range | -5.00~20.00pH |
| pH resolution | 0.01pH/0.1pH (adjustable) |
| pH intrinsic error | ±0.01pH |
| pH Repeatability | ±0.01 pH |
| pH Calibration Point | 1/2/3/4/5 point calibration possible |
| pH buffer | JJG119 (China), METTLER TOLEDO (Europe), Merck (Germany), DIN19267 (Germany) 4 groups of 20 standard solutions |
| Measurement range | -5~135.0℃ |
| Temperature Resolution | 0.1℃ |
| Temperature intrinsic error | ±0.2℃ |
| Temperature compensation range | (-20.0~135.0) ℃ (automatic/manual) |
| Input Impedance | ≥1×10^12Ω |
| input/output | Sensors interface: electrode interface, temperature interface Communication interface: RS232 |
| Power Supply | Universal Power Supply (DC9V 500mA, internal positive and external negative) |
| GLP standard | In line with GLP standards, 10 sample IDs and 10 personnel IDs |
| mV/RelmV/ORP Measurement range | (-2000.0~2000.0)mV |
| mV/RelmV/ORP resolution | 0.1mV/1 mV (adjustable) |
| mV/RelmV/ORP intrinsic error | +/- 0.1% FS or +/- 0.2mV |
| mV/RelmV/ORP Calibration Points | Reference potential can be calibrated at 1 point |
Warranty days: 365 days