PHG-2091A industrial online pH meter is one of the intelligent online chemical analyzer of 2091 series developed by our company. With strong environmental adaptability, clear display, simple operation and good performance which has a high performance-price ratio, can accurately measure the pH value of solution and temperature. It can be widely used for continuous monitoring of PH of water and solution in thermal power plants, chemical fertilizer, metallurgy, environmental protection, pharmacy, biochemical engineering, foodstuff, running water and many other industries.
Features
Computer-based: Multi-parameter measurement, automatic temperature compensation and self-checking are |
achieved thanks to the high-performance CPU chip, high-precision AD conversion technology and SMT |
technology, resulting in high precision and repeatability. |
Reliability: All the component are arranged on one circuit board. No complicated functional switch, adjustment knob and potentiometer. |
Strong interference immunity: The current output and alarm relay adopt optoelectronic isolating technology, |
strong interference immunity and the capacity of long-distance transmission. |
Automatic alarming function: Isolated alarming signal output, discretionary setting of upper and lower thresholds |
for alarming, and lagged cancellation of alarming. |
Technical Indexes
1.Display mode: LED (nixie tube) display |
2. Measuring range: 0~14.00PH, 0~99.9Celsius, -l999~+1999mV |
3. Temperature compensation range: automatic: 0 - 99.9 Celsius, manual: 0 - 99.9 Celsius |
4. 25Celsius Conversion: 25Celsius base temperature for pure water and ammoniated ultrapure water |
5. Resolution: 0.01PH, 0.1mV, 0.1Celsius |
6. Accuracy: ±0.05pH, ±l mV, ±0.3Celsius |
7. Input impedance: ≥1012Ω |
8. Isolated current output: 4~20 mA(load <750 Ω) |
9. High and low alarm relay: AC220V, 3A, isolated output of alarming signals |
10. Communication interface: RS485 or 232(optional) |
11. Power supply: AC220V ±22V, 50Hz ±1Hz, DC24V(optional) |
12. Protection grade: IP65 |
13. Working conditions: ambient temperature: 0~60Celsius; relative humidity ≤90% |
14. Power-down memory: > 10 years |
15. Weight: 0.6kg |
16. Overall dimension: 96(length) x 96(width) x 110(depth) mm |
dimension of the hole: 92 x 92mm |
17.Installation type of secondary meter: Drilling type/hanging type |
Installation type of electrode: Flow-through/immerged/flanged/pipe-based |
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