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Brand Name : Daruifuno
Model Number : DUC2-NH4-H-A
Certification : CE, ISO
Place of Origin : China
MOQ : 1
Payment Terms : T/T, Western Union, MoneyGram
Supply Ability : 10000 Sets per Month
Delivery Time : 5-25 days
Packaging Details : Carton
Product Name : NH4-N Meter
Display Range : 0-100mg/L
Relay Control : 2 settable SPST relays
Analog Current Output : 2 settable 0/4~20mA
Communication Method : Two-wire RS485 interface
OTA : Without
Configuration Information : Power off protection
Time/Data Record : Record 14000 historical data
Protection Level : IP66
Shell Material : Enhanced ABS
 ISE Principle RS485 Interface NH4-N Controller For Surface Water Monitoring 
  The NH4-N analyzer includes a controller and a digital sensor. The sensor uses the ion electrode method to measure ammonia nitrogen in the water.
Specification:
| Model | DUC2-NH4-H-A | 
| Software Version | DRFN NH4-N Analysis software V1.0 | 
| Sensor Input | Compatible with all DRFN's Ammonia Digital Sensors | 
| Display Range | 0-100mg/L | 
| Resolution | 0.01 mg/L | 
| Relay Control | 2 settable SPST relays with a maximum load of 3A/250VAC | 
| Analog Current Output | 2 settable 0/4~20mA current outputs with a maximum load of 1000Ω | 
| Communication Method | Two-wire RS485 interface MODBUS RTU support JSON text data format | 
| OTA | —— | 
| Display Screen | 128*64 black-and-white graphic lattice LCD adjustable backlight mode adjustable display rate | 
| Configuration Information | Power off protection, parameters are retained indefinitely | 
| Time/Data Record | Year/month/day/hour/min/second, record 14000 historical data record interval can be set between 1~999 minutes | 
| Maintenance Records | Last 100 times | 
| Protection Level | IP66 | 
| Operating Environment | 0~60℃,RH<95% ( no condensation) | 
| Storage Environment | -20~70℃, RH<55% ( no condensation, precision instruments) | 
| Shell Material | Enhanced ABS | 
| Dimension | 144*144*120 mm | 
| Mounting Method | Wall mounting, pipe clamping, panel installation (hole size 138*138 mm) | 
| Electrical Interface | The back end reserved 3 M12*1.5 Gram head, line diameter 3~6.5 mm | 
| Power Supply | 100~240VAC | 
| Power Consumption | About 7W | 
| Weight | About 800g | 
Please click the user manual of RS485 NH4-N controller here:
Brief introduction:
● Compatible with all DRFN digital Ammonia sensors;
 ● Separately have a list of controller and sensor settings for quick and detailed parameter setting;
 ● The working status of the sensor can be queried, including reading the serial number;
 ● Support a variety of installation methods;
 ● Time and historical data recording function;
 ● 3.2-inch large LCD screen;
 ● User-friendly Chinese and English language interface;
 ● Password can be set to prevent misoperation;
 ● 2 SPST multi-function and settable relays;
 ● Two 0/4~20mA active current loop outputs;
 ● RS485 interface, Modbus RTU communication protocol;
 ● IP66 waterproof level, sealed enclosure can isolate pollution and corrosive gas;

 Aplication:
 ◇ Surface water
 ◇ Groundwater
 ◇ Sewage
 ◇ Industrial wastewater
 ◇ Effluent
 ◇ Environmental water monitoring
  
 FAQ
1. Which sensors can be connected to your NH4-N controller?
 A: The NH4-N meter can be compatible with DRFN digital NH4-N sensors.
2. How does your NH4-N controller collect sensor data?
 A: The connected sensor uploads the detected data in a special encrypted communication method to ensure that the controller can collect high-precision data more stably
 3. Does the NH4-N controller have an ambient temperature alarm function?
 Our NH4-N controller has ambient temperature alarm function
 4: How long is your delivery time?
 A: Generally it is 3 days if the goods are in stock. or within 20 days if the goods are not in stock, it is according to quantity.
  
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