BH-485-NH Ammonia Nitrogen Sensor By BOQU Instrument

Short Description:

The BH-485-NH is digital online ammonia nitrogen sensor and with RS485 Modbus,it measure the ammonia nitrogen concentration by an ion selective electrode method. The ammonium ion selective electrode directly detects the ammonium ion in the water environment to determine the concentration of ammonia nitrogen. Use a pH electrode as a reference electrode for better stability. The concentration of ammonia nitrogen in the measurement process is easily interfered by potassium ions, so potassium ion compensation is required.

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The digital ammonia nitrogen sensor is an integrated sensor that is composed of ammonium ion selective electrode, potassium ion (optional), pH electrode and temperature electrode. These parameters can mutually correct and compensate the measured value of ammonia nitrogen, and meanwhile achieve the measurement for multiple parameters.

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It is widely used to measure the value of ammonia nitrogen in the nitrification treatment and aeration tanks of the sewage treatment plants, industrial engineering as well as river water.

Specification	Details
Measurement Range	NH4N：0.1-1000 mg/LK+：0.5-1000 mg/L(Optional)pH：5-10Temperature：0-40℃
Resolution	NH4N：0.01 mg/lK+：0.01 mg/l（Optional）Temperature：0.1℃pH：0.01
Measurement Accuracy	NH4N：±5 % of the measured value or ± 0.2 mg/L, take the greater one.K+：±5 % of the measured value or ±0.2 mg/L （Optional）Temperature：±0.1℃pH：±0.1 pH
Response Time	≤2 minutes
Minimum Detection Limit	0.2mg/L
Communication Protocol	MODBUS RS485
Storage Temperature	-15 to 50℃ (Non-frozen)
Working Temperature	0 to 45℃(Non-frozen)
Size	55mm×340mm（Diameter*Length）
Weight	<1KG；
Level of Protection	IP68/NEMA6P；
Length of Cable	Standard 10-meter long cable, which can be extended to 100 meters