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Yosemitech - Model Y561-A -Online Ammonium ISE Sensor
Yosemitech Y561-A online ammonium ISE sensor measures ammonium electron concentration without using any chemicals. No reagent, no pollutants, more economic and environmentally friendly. The sensor uses pH, Ammonium Ion electrodes, and an optional potassium ion electrode to determine the NH4+-N concentration.It is designed for use in all kind of natural water, such as lakes, streams, rivers, as well as wastewater plants.
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- Digital sensors, RS-485 output, MODBUS support;
- No reagent, no pollutants, more economic and environmentally friendly;
- Automatic compensation for NH4+, pH and temperature in water;
- Can be directly connected to Yosemitech’s controller, handheld meter, more convenient to use.

Name: Ammonium ISE Sensor
- Model: Y561 -A
- NH4_N Range: 0-100mg/L (0-1000mg/Loptional)
- NH4_N Accuracy: ±10% or ±0.5mg/L
- NH4_N Resolution: 0.01 mg/L
- pH Range: 4-10
- pH Accuracy: ±0.1pH
- pH Resolution: 0.01
- Size: Φ36mm*265mm(with protective cover)
- Housing IP Rating: IP68
- Deepest Depth: 10m underwater
- Temperature Range: 0 ~ 50℃
- Sensor Interface: Supports RS-485, MODBUS protocol
- Construction: NPT3/4 thread,submersible mounting
- Power : DC 9~24V,current<100mA
- Cable Length: 10m standard, Custom length available
- Calibration: one-point or two-points calibration
- Sensor housing material: POM+316L
