Envco – Environmental Equipment

Features
• Fully encapsulated electronics
• 4-20 mA output
• Marine grade cable with strain relief
• Stainless steel housing

The ORP sensor output is 4-20 mA with a three wire configuration. The electronics are completely encapsulated in marine grade epoxy within a stainless steel housing.

(online version has 1-¼” PVC x 12” pipe nipple, threaded both ends with cap).

ORP (Oxidation Reduction Potential) is a measure of the oxidation activity of the water. If the oxidation activity is high it will rust a piece of iron quickly. ORP is also used as an alternative way to measure chlorine concentration, since water high in chlorine (a strong oxidizer) has a high ORP. ORP is measured as a voltage between a platinum wire and a reference electrode. As this voltage goes up, the ORP goes up. The sensor amplifies this voltage and converts it to the 4-20 mA output signal.

WQ600 Specifications
Output: 4-20 mA
Range: -500 to +500mV
Accuracy: 2% of full scale
Operating Voltage: 10-36VDC
Current Draw: 0.2 mA plus sensor output
Warm Up Time: 3 seconds minimum
Operating Temperature: -40c to +55c
Size: 1" diameter x 10 1/2" long
Weight: 1 lb.

Ordering Information
WQ600 Redox/ORP Sensor
WQ600-O Online Redox/ORP Sensor Comes with 1-¼” NPT PVC housing
WQEXC Extra Cable Standard ORP sensors include 25' of cable, but can be purchased with up to 500' of cable.