APS11 Digital Online pH Sensor
The housing of Digital online pH sensor is SS316 for harsh application, Built-in temperature probe, instant temperature compensation. Strong anti-interference ability, the longest output cable can reach 500 meters. It can be set and calibrated remotely, and the operation is simple.
- Measuring range:0-14pH
- Temperature range:0-65℃
- Measuring parameters:pH and temperature
- Power:9~36V DC
- Output:RS485 Modbus
Digital Online pH Sensor


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IOT Online pH SensorSmart and with standard RS485 Modbus
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New TechnologyImproved pH process control and measurement confidence with reduced operational expenditure and process downtime.
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Strong chipIndependent chip, anti-interference, strong stability.
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Water Proof CableMaximum transmission distance 500 meters.
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Quality materialSS316 material for pH Sensor housing
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High-quality Combination ElectrodeHigh-quality pH combination sensor with temperature measurement
The digital online pH sensor, developed and manufactured by ARTang Instrument, represents a cutting-edge solution for precise pH monitoring. Its robust SS316 stainless steel housing is designed to withstand harsh environments, ensuring durability and ease of installation. This advanced sensor offers high pH measurement accuracy, rapid response, and stable long-term performance. Equipped with a built-in temperature probe, it provides instant temperature compensation, while its strong anti-interference capabilities allow for output cable lengths of up to 500 meters.
Technical Parameters
Product | Digital pH sensor |
Model | APS11 |
Measuring range | pH measuring range: 0~14pH |
Temperature measuring range: 0~65℃ | |
Ambient temperature | 0℃~65℃ |
Accuracy | pH measuring accuracy: ±0.1pH |
Temperature measuring accuracy: ±0.5℃ | |
Resolution | pH resolution: 0.01pH |
Temperature resolution: 0.1℃ | |
Power supply | 9~30V DC |
Communication mode | Modbus RTU |
Protection level | IP68 |
Casing material | Stainless steel 316L |
Cable length | Can be customized according to user requirements |
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