KDM-110 Online PH Meter with 4-20mA Output and RS485 Interface for Wastewater Treatment with IP65 Protection
The KDM-110 On-line PH Meter is a game-changer in the realm of wastewater treatment. Engineered with cutting-edge technology, it offers precise pH measurement capabilities crucial for maintaining the delicate balance of wastewater treatment processes. What sets it apart is its dual output options: the 4-20mA current output and RS485 interface. The 4-20mA output allows seamless integration with a wide range of control systems, providing real-time pH data in a format easily understood by automated machinery. This means that chemical dosing can be adjusted instantaneously based on the pH readings, optimizing treatment efficiency. Meanwhile, the RS485 output enables multi-drop connections, facilitating communication with multiple devices and centralized data collection. In large-scale wastewater treatment plants, operators can monitor and manage pH levels across different zones, ensuring compliance with environmental regulations. Its robust design and reliable performance make the KDM-110 an indispensable asset in safeguarding our water resources and the environment.
| Measuring range | 0.00~14PH |
| Resolution | 0.01PH,1mV,0.1℃ |
| Accuracy | ±0.02PH, ±1mV, ±0.3℃ |
| Stability | ≤0.01 PH/ 24h |
| Standard liquid |
6.86/4.00/9.18, 7.00/4.00/10.01 |
| Temperature compensation | 0~99.9℃(PH) |
| PH calibration range | 0±1.45PH; slope ±30% |
| Control interface | two group of ON/OFF relay contacts are divided into upper and lower limit alarm control. |
| Signal isolation output | 4~20mA isolation protection output and RS485 |
| Relay | the relay hysteresis is arbitrarily set, relay load 3A 220VAC |
| Working conditions | Ambient temperature is 0~60℃, relative humidity ≤90% |
| Input impedance | ≥1×1012Ω |
| Output load | <750Ω(4-20mA) |
| Working voltage | 220VAC ±10%, 50/60hz or DC24V and DC110V |
| Dimensions | 96×96×115 mm |
| Hole-cutting Size | 92×92mm |
| Weight | 0.9Kg |
| Protection level | IP57 |
- Automatic identification of standard solution and capable for factory reset.
- Watchdog function: make sure the meter doesn't crash.
- High precision, high stability and preferable antijamming ability.
- Optional with the company's host computer online acquisition software for data acquisition and processing.
- Note book: It can store 50 PH measurement datas , users can record measurement data as needed.
- Waterproof, dustproof, moisture-proof (IP57), high-end design look.
- Power off protects > 10 years.
- Communicate function: RS-485 communication interface with photoelectric isolation (optional), convertible RS-232. The PH value corresponding 4-20mA current output can be arbitrarily set, And can control 4-20 mA positive and negative. It is widely used in automatic addition of reagent.And it also support to connect loT of company and customize loT for customer.
- Large screen LCD display, support chinese menu(switching from each other). Multi-parameter simultaneous display.
- Automatic temperature compensation function, manual adjustment of PH and temperature value.
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