WATER QUALITY SENSORS
Water quality transmitters monitor Temperature, pH, Conductivity, Dissolved Oxygen, and ORP/Redux
water quality transmitters,water quality sensors FEATURES:
  • Fully encapsulated electronics
  • 4-20 mA output
  • Marine grade cable with strain relief
  • Stainless steel housing
To Order Call 1-800-876-1172
Water Quality Sensors Options & Prices

 

On this page:

Water Quality Sensor's Product Description
Temperature Sensor
pH Sensor
Conductivity Sensor
Dissolved Oxygen Sensor
ORP/Redux Sensor
Water Quality Sensors Options & Prices

Downloads (PDF):

Temperature Sensors Brochure
pH Sensor Brochure
Conductivity Transmitter Brochure
DO Sensors Brochure
ORP/Redux Transmitters Brochure
Water Quality Sensor Manual*

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

Additional Information:

Turbidity Sensor & Meter
Handheld Multiparameter Probe
Water Quality Testing Kit
Water Quality Product Support

Water Quality Sensors Product Description

Global Water's Water Quality Sensors are rugged, industrial grade sensors designed for direct immersion or insertion into water streams.  Most water quality sensors are powered by 10 to 36 VDC and all water quality sensors have a linear 4-20mA output.  25' cable lengths are standard, with optional cable lengths to 500'.

WQ101 Temperature Sensor
Water quality temperature sensor Output: 4-20 mA
Range: -50°C to +50°C
Accuracy: ±0.2°F or ±0.1°C
Maximum Pressure: 40 PSI
Operating Voltage: 10-36 VDC
Current Draw: Same as sensor output
Warm Up Time: 5 seconds minimum
Operating Temperature: -50° to +100°C
Size of Probe: 3/4" diameter x 4 1/2" long
Weight: 1/2 lb.

Download water quality sensors brochure and manual
View pricing information

WQ201 pH Sensor
Water quality pH transmitter 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: -5° to +55°C
Size of Probe: 1 1/4" diameter x 10" long
Weight: 1 lb.

Download water quality transmitters brochure and manual
View pricing information

WQ301 Conductivity Sensor
Water quality conductivity sensor Output: 4-20 mA
Range: 0-5,000, 0-10,000, 0-20,000 Micro Siemens (micro mhos) per cm
Accuracy: 1% of full scale
Maximum Pressure: 40 PSI
Operating Voltage: 12VDC (± 5%)
Current Draw: 0.8 mA plus Sensor output
Warm Up Time: 3 seconds minimum
Operating Temperature: -40° to +55°C
Size of Probe: 1" diameter x 12" long
Weight: 1 lb.
Temperature Compensation: 2% per °C
Electrodes: 316 Stainless Steel

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View pricing information

WQ401 Dissolved Oxygen Sensor
Dissolved Oxygen water quality sensor Output: 4-20 mA
Range: 0-100% Saturation, 0-8 ppm, temperature compensated to 25°C
Accuracy: ±0.5% of full scale
Maximum Pressure: 40 PSI
Operating Voltage: 10-36 VDC
Current Draw: 15.5 mA plus sensor output
Warm Up Time: 10 seconds minimum
Operating Temperature: -40° to +55°C
Size of Probe: 1 1/4" diameter x 11" long
Weight: 1 lb.
Membrane: 0.001 FEP Teflon (standard)
Combined Error: 2% FS

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View pricing information

WQ600 ORP/Redux Sensor
Water quality ORP transmitter Output: 4-20 mA
Range: -500 to +500mV
Accuracy: 2% of full scale
Maximum Pressure: 40 PSI
Operating Voltage: 10-36VDC
Current Draw: 0.2 mA plus sensor output
Warm Up Time: 3 seconds minimum
Operating Temperature: -40° to +55°C
Size: 1" diameter x 10 1/2" long
Weight: 1 lb.

Download water quality sensors brochure and manual
View pricing information

Water Quality 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

WQ101 Temperature Sensor $273
WQ201 pH Sensor $579
WQ301 Conductivity Sensor
Specify sensor range when ordering: 0-5,000, 0-10,000, 0-20,000 Micro Siemens (micro mhos).
$630
WQ401 Dissolved Oxygen Sensor $735
WQ600 ORP/Redux Sensor $579
WQEXC Extra Cable
Standard water quality sensors include 25' of cable, but can be purchased with up to 500' of cable.
$1.20/ft
RELATED PRODUCTS
WQMS Water Quality Monitoring System
The standard unit includes a datalogger, temperature sensor, pH sensor, conductivity sensor (with a 0-5000µS range unless otherwise specified), and DO sensor.
$2,779
PHT-810 pH Tester $225
VARIO pH Waterproof pH meter $341
pH 197i Portable field pH meter w/universal power supply $940
pH 315i Water proof pH meter w/case & accessories $510
CD-30 Conductivity Tester $64
DUO-60 Conductivity Meters $135
Vario Cond Temperature Conductivity Meter TetraCon® V Kit Includes: Vario Cond, mobile case, TetraCon® V cell, and KCl solution. $759
Cond 3110 Set Handheld Conductivity Meter Set
Includes meter, probe, case & accessories.
$842
Cond 1970i Portable Conductivity Meter
Conductivity meter with universal AC power supply.
$1,209.72
DO600 Dissolved Oxygen Meter $299
DO610 Dissolved Oxygen Probe Kit
Measure 6 water quality parameters.
$399
RE300 Handheld ORP Meter
Includes ORP electrode, sample cup with cap, batteries, and 48” neckstrap.
$99
CL200 Chlorine Meter
Includes sample cup with cap, 5pks of 10 reagent tablets, batteries, and a 48” neckstrap.
$169
EX900 Water Quality Meter Kit
Includes the water quality meter, chlorine probe, gel filled pH electrode, ORP electrode, protective sensor cap, 5 packs of 10 reagent tablets (50 tests), 5 plastic sample cups, weighted stand, pH 4, 7 & 10 buffer packs, four LR44 button batteries, carrying case, and a 48” neckstrap.
$229
TC-3000e Portable Chlorine,Turbidity, and Color Meter
Measure Chlorine, Turbidity, and Color in one meter.
$1,195
Turb 430T Portable Turbidity Meter Kit (EPA)
Includes calibration kit (0.02 - 10 - 1000), 2 empty cuvettes, cleaning tissues, batteries (4 x AA), and field case with table insert.
$1,965 portable turbidity meters kit
WQ720 Turbidity Sensor $982
WQ770-b Turbidity Meter $1,275
SMART2 Colorimeter
Includes 4 sample tubes and AC adapter.
$749
CODPlus Portable Colorimeter (120V/60Hz)
Includes 4 sample tubes, COD adapter, and AC adapter.
$525
pHotoFlex Portable Photometer
LED filter portable photometer with integrated pH functions for field use.  Portable Photometer only, no electrodes.
$1,819.13
pH/Ion 3400i Ion Selective Electrode Analyzer
Electrodes not included.
$1,238.66
U-10 Multiparameter Water Quality Probe
Measures pH, dissolved oxygen, temperature, turbidity, salinity, and conductivity.
$2,850
U-22XD Multiparameter Probe
Use the multiparameter probe to monitor 10 different parameters, including total suspended solids, water depth, and ORP.
$5,320
W-23XD Water Quality Sonde
Water quality instrumentation for simultaneously measuring up to 13 different parameters.
$7,270
WQ900 Water Quality Testing Kit
Constituent testing kit for water quality.
$525
PC300 Water Quality Controller $835 Water Quality sensor,Water Quality transmitter controller
SIT65 Water Quality Telemetry System $1,815
CR500 Circular Chart Recorder
Circular chart recorder with multiple pen input and relay output options.
$635
EZ100 Water Quality Sensor Display
LCD readout display for both portable use and permanent installations.
$368 Water temperature sensor,water temperature transmitter display

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