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HF Scientific-Environmental Testing Equipment-AdvantEDGE Optical Dissolved Oxygen RDO® Electrode

Measures dissolved oxygen (DO) in demanding environments

The AdvantEDGE Optical Dissolved Oxygen RDO® Electrode uses the latest technology to measure dissolved oxygen (DO) in demanding environments. The AdvantEDGE Series™ Optical Dissolved Oxygen RDO® sensor o­ffers several advantages for monitoring DO in process applications.

 

Technical Specifications

Sensor Type Luminescent dissolved oxygen sensor
Transmitter/local display Optional, not required
Range 0 to 20 mg/L concentration0 to 200% saturation
Accuracy (DO) ±0.1 mg/L, 0 to 8 mg/L±0.2 mg/L, 8 to 20 mg/L
Response time, cap T90: 30 sec T95: 37 sec @ 25°C
Resolution 0.01 mg/L
Usage life of cap 1 year from the first instrument reading
Shelf life of cap 2 years from date of manufacture(install within 1 year from date of manufacture)
Operating temperature 0° to 50° (32° to 122°F)
IP rating IP-67 with cap off, IP-68 with cap installed
Compliance Heavy industrial, IEC 61000-6-2:2005
Storage conditions, cap 1° to 60° (33° to 140°F), in factory container
Storage conditions, sensor -5° to 60° (23° to 140°F)
Salinity range 0 to 42 PSU, fixed or real-time capable
pH range 2-10 pH
Barometric range 507-1115 mbar, fixed or real-time capable
Internal mounting thread 1¼-11½ NPT
Communications options Modbus RTU (RS485), 4-20mA, SDI-12
Maximum cable length Up to 4000 ft (Modbus and 4-20 mA)or up to 200 ft (SDI-12)
Warranty Sensor: 3 years from date of manufactureCap: 2 years from date of manufacture
  • Robust: Inert construction will not corrode in high salinity samples; Insensitive to common interferences such as hydrogen sulfide, chloride, chlorine, ammonium, and many others 
  • Cost effective options: Choose models for use with the economical LD500 Local Display; providing 4-20mA outputs and various communications protocols; Choose models available with integral 4-20 mA, Modbus RS-485, and SDI-12 outputs for direct connection to SCADA or PLC; totally eliminating the need for a separate transmitter/controller 
  • No calibration hassles: When used with the LD500 Local Display, no calibration is required; When connected directly to a SCADA or PLC, a one-time calibration is performed that lasts for 12 months 
  • Low maintenance: No electrolyte or membranes to replace; Sensor cap lasts 1 year without the need for recalibrations; Simply wipe the sensor cap periodically. Optional air blast accessory available 
  • Accurate: 0.1 mg/L accuracy from 0 - 8 mg/L DO, and 0.2 mg/L accuracy from 8 to 20 mg/L DO; Fast response to oxygen and temperature changes; Consistent, reproducible results (<0.05 mg/L reproducibility)
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HF ScientificHF Scientific is a quality innovator of instrumentation focused on the measurement of cleanwater. They offer laboratory and on-line instruments to monitor important parameters in water and wastewater treatment plants.
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