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1. Measuring range: PH value: 0~14.00pH; Division value: 0.01pH Electric potential value: ± 1999.9mV; Division value: 0.1mV Temperature: 0~99.9ºC; Division value: 0.1ºC |
2. Range for automatic temperature compensation: 0~99.9ºC, with 25 ºC as the reference temperature |
3. Water sample tested: 0~99.9 ºC, 0.6Mpa |
4. Automatic temperature compensation error of the electronic unit: ± 0 03pH |
5. Repeatability error of the electronic unit: ± 0.02pH |
6. Stability: ± 0.02pH/24h |
7. Input impedance: ≥ 1X1012Ω |
8. Clock accuracy: ± 1 minute/month |
9. Isolated current output: 0~10mA(load <1 5kΩ ), 4~20mA(load <750Ω ) |
10. Output current error: ≤ ± L%FS |
11. The data storage capacity: 1 month (1 point/5 minutes) |
12. High and low alarm relays: AC 220V, 3A |
13. Communication interface: RS485 or 232 (optional) |
14. Power supply: AC 220V± 22V, 50Hz± 1Hz, 24VDC(optional) |
15. Protection grade: IP65, Alluminium shell for outdoor use |
16. Overall dimension: 146 (length) X 146 (width) X 150 (depth) mm; Dimension of the hole: 138 X 138mm |
17. Weight: 1.5kg |
18. Working conditions: Ambient temperature: 0~60ºC; Relative humidity <85% |
19. It can be equipped with a 3-in-1 or 2-in-1 electrode. |
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