| Model |
P811 |
P811H |
| pH |
Measurement Range |
(-2.00 ~ 20.00)pH |
| Resolution |
0.1/0.01 pH |
0.01/0.001 pH |
| Accuracy |
±0.02 pH |
±0.002pH |
| Auto calibration |
1, 2, 3 point |
| Buffer |
Europe & USA, NIST, China standards |
| Input current |
≤1×10-12 A |
| Input Impedence |
≥3×1012 Ω |
| Stability |
±0.01 pH/3h |
| Temperature Compensation |
(0 ~ 100)℃, auto or manual |
| mV |
Measurement range |
-1999.9mV ~ 0 ~ 1999.9mV |
| Resolution |
1 mV |
0.1 mV |
| Accuracy |
±0.1% FS |
±0.03% FS |
| Temp. |
Range |
(-10 ~ 110)℃ |
| Resolution |
0.1 ℃ |
| Accuracy |
±0.5℃ |
| Other Parameters |
Display |
7 inch colored capacitive touch screen |
| Data Storage |
1000 sets |
| Power |
12V/1A |
| Output |
USB |
| Ambient Temp. |
15 ~ 30 ℃ |
|
Ambient Humidity
|
≤ 85%/td>
|
| IP grade |
IP54 |
| Dimensions/N.W. |
215×170×37mm/600g |
| Shipping Size/G.W. |
470x430x72mm/3kg |
| Standard Accessaries |
pH electrode, Temperature probe, Buffer solution, Power adapter, Manual |
| Alarm |
Alarm/ reminder feature for calibration with a settable time interval of 1 to 999 hrs |