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Suntex

Dissolved Oxygen Transmitter

Dissolved oxygen transmitter compatible with pre-amplified and polarographic D.O. sensors, with salinity and pressure correction and isolated 4~20mA output. IP65 rated for wastewater aeration, fish farming, fermentation and environmental monitoring.

Key Features

  • 96 x 96 mm (1/4 DIN) compact design
  • Compatible with WTW pre-amplifier 690 sensor and polarographic analog sensors
  • Measures %saturation, mg/l (ppm) and temperature
  • Back-lit LCM display with graphical menu
  • Setting and last calibration info overview
  • Sensor slope status indicator for pre-amplifier sensor
  • Salinity and atmospheric pressure correction
  • Automatic temperature compensation (NTC 30K or NTC 22K)
  • Isolated 0/4~20mA current output
  • Two programmable alarm relays (Hi/Lo, Hi/Hi, Lo/Lo)
  • Automatic wash function
  • Text, chart and trend display with RS-485 and event logbook (optional)
  • Password protection
  • IP65 (NEMA 4X) waterproof and dustproof
Category: Dissolved Oxygen

Product Description

This Suntex dissolved oxygen transmitter works with both pre-amplified and polarographic D.O. sensors in a compact 1/4 DIN housing. Its graphical menu shows setting and calibration information in full text pages, making every function easy to operate.

It measures D.O. in %saturation and mg/l (ppm), with automatic temperature compensation plus salinity and atmospheric pressure correction for accurate readings. An optional version adds a graphical trend curve, event logbook and RS-485 interface.

Typical applications include wastewater aeration, fish farming, fermentation and environmental monitoring.

Technical Specifications

Models DC-5110
DC-5110-RS
Measuring Modes %Saturation / mg/l (ppm) / Temperature
%Saturation Range 0.0 to 600.0% (depends on sensor)
mg/l Range 0.00 to 60.00 mg/l (ppm) (depends on sensor)
Temperature Range 0.0 to 140.0°C (depends on sensor)
Accuracy ±0.5% of reading (D.O.)
±0.2°C (Temp)
Temperature Compensation Automatic (NTC 30K or NTC 22K) or manual
Salinity Correction 0.0 to 45.0 ppt
Pressure Correction 0.500 to 2.500 bar
7.25 to 36.25 psi
500 to 2500 mmHg (manual adjustment)
Calibration One point or two points
Analog Output Isolated 0/4~20mA, max load 500Ω
Temperature Output 0/4~20mA (DC-5110 only)
Serial Interface RS-485 (RS model only)
Event Logbook 50 event records (RS model only)
Relay Contact 240VAC, 0.5A max
Voltage Output DC ±8V, max 0.5W
Power Supply 100 to 240 VAC ±10%, 50/60 Hz, 8W max
Ambient Temperature 0 to 50°C
Storage Temperature -20 to 70°C
Installation Panel, wall or pipe mounting
Dimensions 96 x 96 x 132 mm
Panel Cut-out 93 x 93 mm
Weight 0.5 kg
Protection IP65 (NEMA 4X)
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