RS485 Signal Free Loss Digital pH Dissolved Oxygen Do Meter for Sea Farming and Water Treatment

• Customization: Available
• After-sales Service: 1 Year Lifetime Fee Technical Support
• Warranty: 1 Year Lifetime Fee Technical Support
• Model NO.: DUC2-DO-A
• Display: Digital
• Portable: Non Portable
• Appliance: Food Analysis, Medical Research, Biochemistry, Industrial Water Treatment
• Certification: ISO9001, CE, SGS
• Display Screen: 128*64 LCD
• Power Supply: 100~240VAC
• Power Consumption: About 7W
• Do Concentration: Do Concentration 0-50mg/L (or Ppm)
• Saturation: 0-400%
• Relay Control: 2 Settable Spst Relays
• Analog Current Output: 2 Settable 0/4~20mA Current Outputs
• Communication Method: RS485 Interface Modbus RTU
• Maintenance Records: Last 100
• Shell Material: Enhanced ABS
• Protection Grade: IP66
• Weight: About 800g
• Transport Package: Packaging
• Specification: 144*144*120mm
• Trademark: drfn
• Origin: China
• HS Code: 9031809090
• Production Capacity: 50000 Pieces/Year

Product Description

 

Universal controller specially designed for DRFN digital series dissolved oxygen sensors,compatible with all DRFN digital dissolved oxygen sensors including fluorescence and polarography.

Model		DUC2-DO-A
Sensor input		Compatible with all DRFN's DO Digital Sensors
Display range	DO Concentration	Controller display range, dissolved oxygen concentration 0-50mg/L (or ppm), display unit can be switched
	Saturation	0-500%
	TEMP	-10~500ºC /14~932ºF
	Atmospheric pressure	30-120kpa
Resolution	DO Concentration	0.01 mg/L(or ppm)
	Saturation	1%
	TEMP	0.1ºC/ 0.1ºF
Salinity compensation range		Input range0.0001-99999ppt
Relay control		2 settable SPST relays with a maximum load of 3A/250VAC
Analog current output		2 settable 0/4~20mA active current loop output, max load 1000Ω
Communication method		RS485 interface; MODBUS RTU;support JSON text data format
Display screen		128*64 LCD, adjustable backlight mode, adjustable display rate
Configuration information		Power off protection, parameters are retained indefinitely
Time history/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
Operating environment		0~60ºC,relative humidity less than 95% RH( no condensation)
Storage environment		-20~70ºC,relative humidity less than 55% RH( no condensation, precision instruments)
Shell material		Enhanced ABS  protection grade IP66
Size		Instrument size 144*144*120 mm
Mounting method		Wall mounting, pipe clamping, panel (hole size 138*138 mm)
Electrical interface		The back end of the instrument reserved 3 M12*1.5 Gram head, line diameter 3~6.5 mm
Power supply		100~240VAC
Power consumption		About 7W
Weight		About 1600g