WQ201 pH Sensor Description WQ201 pH Sensor is a rugged and reliable water pH measuring device. The pH transmitter is mounted on 25 ft of marine grade cable, with lengths up to 500 ft available upon request. The sensor's output is 4-20 mA with a three-wire configuration. The WQ201's electronics are completely encapsulated in marine grade epoxy within a stainless steel housing. The unit also uses a removable shield and replaceable pH sensor element for easy maintenance. WQ201 pH Sensor Features * Submersible pH measurements * Fully encapsulated electronics * 4-20 mA output * Marine grade cable with strain relief * Stainless steel housing * Replaceable pH element WQ201 pH Sensor Applications Ideal for stream and lake monitoring, aquaculture studies, baseline analyses, mitigation monitoring, and other environmental applications. WQ201 pH Sensor Specifications * Output: 4-20 mA * Range: 0 to 14 pH * Accuracy: 2% full scale * Maximum Pressure: 40 psi * Operating Voltage: 10 to 30 VDC * Current Draw: 5.5 mA plus sensor output * Operating Temperature: 23 to +131'F (-5 to +55'C) * Warm-up Time: 3 seconds minimum
