pH sensors,pH recorders

WQ201 pH SENSORS
pH sensor for remote water quality measurements.

FEATURES:

Fully encapsulated electronics
4-20 mA output
Marine grade cable with strain relief
Stainless steel housing
Replaceable pH sensor element

To Order Call 1-800-876-1172
pH Sensors Options & Prices

On this page:

• pH Sensors Product Description
• pH Sensors Specifications
• pH Sensors Options & Prices

Downloads* (PDF):

• pH Sensors Brochure
• pH Sensors Manual*

*May take several minutes to download, depending on your internet connection speed.

Additional Information:

• pH Sensor measurement values explained
• pH Sensor calibration explained
• Product Support
• Water Quality Sensors

pH Sensors Product Description

Global Water’s pH sensor is a rugged reliable water pH measuring device. The pH sensors are mounted on 25’ of marine grade cable, with lengths up to 500’ available upon request. The pH sensor output is 4-20 mA with a three wire configuration. The pH sensor's electronics are completely encapsulated in marine grade epoxy within a stainless steel housing (online version has 1” PVC x 8” pipe nipple, threaded both ends with cap). The pH sensors also use removable shields and replaceable pH sensor elements for easy maintenance.

Global Water's GL500 pH Recorder adds recording capabilities to the pH sensors. The GL500 pH Recorder connects to the pH sensor's 4-20mA output to record data. In addition, Global Water offers the PC300 pH Controller to use the pH sensor's output to control pumps or alarms.

pH Sensors Specifications

Output: 4-20 mA
Range: 0-14 pH
Accuracy: 2% of full scale
Maximum Pressure: 40 psi
Operating Voltage: 10-30 VDC
Current Draw: 5.5 mA plus sensor output
Warm Up Time: 3 seconds minimum
Operating Temperature: 23 to +131°F (-5 to +55°C)
Size of Probe:
Standard: 1-1/4" Diameter x 10" L (3.2 cm dia. x 25.4 cm long)
Online: 2” Diameter x 12” L (5 cm dia. x 30.5 cm long)
Weight: Standard and Online 1 lb. (454 g)

pH Sensors Options & Prices
Prices listed are for United States and Canada only. Call or e-mail us for pricing in other countries.
Terms and Conditions

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WQ201 pH Sensor (PN# DB0000) Includes 25 ft of cable.	$653
WQ201-O Online pH Sensor (PN# DBA000) Comes with 1” NPT PVC housing.	$674
WQEXC Extra Cable Standard pH sensors include 25' of cable, but can be purchased with up to 500' of cable.	$2/ft
pH Sensor Electrode (PN# 00-449) pH electrodes should be replaced every six months and calibration should be done after every replacement.	$141
pH Sensor Calibration Solutions
pH 4 Buffer, 500 ml bottle (PN# 478551)	$16.20
pH 7 Buffer, 500 ml bottle (PN# 478552)	$16.20
pH 10 Buffer, 500 ml bottle (PN# 478553)	$16.20
Rainbow buffer pack (PN# 478554) Includes one 500 ml bottle each of pH 4, 7, and 10.	$49
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