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| Categories | Ammonia Analyzer | 
|---|---|
| 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 | 
| Company Info. | 
| Suzhou Delfino Environmental Technology Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
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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