| Instrument level | Level 0.001 |
| PH range | -5.000~20.000pH |
| pH resolution | 0.001pH/0.01pH/0.1pH (adjustable) |
| pH intrinsic error | ±0.002pH |
| pH Repeatability | 0.001pH |
| pH Calibration Point | 1/2/3/4/5 point calibration possible |
| pH buffer | JJG119 (China), METTLER TOLEDO (Europe), METTLER TOLEDO (USA), Merck (Germany), DIN19266/NIST (Germany), DIN19267 (Germany), JISZ8802 (Japan) 7 groups of 33 standard solutions |
| mV/RelmV/ORP Measurement range | (-2000.00~2000.00)mV |
| mV/RelmV/ORP resolution | 0.01mV/0.1mV/1 mV (adjustable) |
| mV/RelmV/ORP intrinsic error | +/- 0.02% FS or +/- 0.1mV |
| mV/RelmV/ORP Calibration Points | Reference potential can be calibrated at 1 point |
| mV/RelmV/ORP Measurement range | (-20.0~135.0)℃ |
| mV/RelmV/ORP Temperature Resolution | 0.1℃ |
| mV/RelmV/ORP temperature intrinsic error | ±0.1℃ |
| Temperature compensation range | (-20.0~135.0) ℃ (automatic/manual) |
| Input Impedance | ≥3×1012Ω |
| Data storage | The number of storage is not less than 100,000 groups |
| GLP standard | In line with GLP standards, 10 sample IDs and 10 personnel IDs |
| input/output | Sensors interface: electrode interface, reference interface, temperature interface; Communication interface: RS232 |
| Power Supply | Universal Power Supply (DC9V 500mA, internal positive and external negative) |
Warranty days: 1095 days
Consumables and accessories have no warranty timeliness, if there is a quality problem with the user's purchase, please apply for return and exchange with the customer service of Nanbeichao in time.