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IP66 OTA RS485 NH4-N Transmitter For Sewage Controller For Industrial Wastewater
The ion-selective electrode method is used to measure the ammonia nitrogen concentration. The ammonia 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 to obtain better stability.
Because the dissolution of the sensor's measurement results is
interfered by potassium ions, when the potassium ion concentration
in the water is high, potassium ion compensation is required.
The ammonia nitrogen sensor is composed of ammonium ion selective
electrode, potassium ion (optional), pH electrode, and temperature
electrode to form an integrated sensor. These parameters can
mutually correct the measured value of ammonia nitrogen and realize
multi-parameter measurement at the same time.
Specification:
| Model | DUC2-NH4-H-D |
| 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 | Default WIFI |
| 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 | 18~36VDC |
| 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;
● OTA download technology as a smart configuration option for the instrument.
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: The NH-N controller has OTA download technology?
OTA download technology as a smart configuration option for the
instrument.
