Hach 6120118 Combination pH and ORP Sensor Specifications, Digital Gateway Specifications

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Section 1 Specifications

Specifications are subject to change without notice.

Table 1 Combination pH and ORP Sensor Specifications

Components

Corrosion-resistant materials, fully-immersible probe with 4.6 m (15 ft) cable

 

 

Measuring Range (pH)

0 to 14 pH

 

 

Measuring Range (ORP)

–2000 to +2000 mV

 

 

Measuring Range (Temperature)

0 to 105 °C (32 to 221 °F)

 

 

Probe Operating Temperature

0 to 105 °C (32 to 221 °F)

 

 

Probe Storage Temperature

–30 to 70 °C (–22 to 158 °F); 0 to 95% relative humidity, non-condensing

 

 

Temperature Compensation

pH: Pt 1000 ohm RTD

ORP: N/A

 

 

 

Accuracy (Analyzer only)

pH: 0.1% of span

ORP: Limited to calibration solution accuracy (± 20 mV)

 

 

 

Stability (Analyzer only)

0.05% or span per 24 hours, non-cumulative

 

 

Repeatability (Analyzer only)

0.1% of span or better

 

 

Temperature Accuracy (Analyzer only)

±0.5 °C (±0.9 °F)

 

 

Temperature Drift (Analyzer only)

Zero and Span: less than 0.03% of span per °C

 

 

Calibration Methods (Analyzer only)

Two point automatic, one point automatic, two point manual, one point manual

 

 

Maximum Probe Immersion Depth/

Submersible to 107 m (350 ft)/1050 kPa (150 psi)

Pressure

 

 

 

Sensor Interface

Modbus from digital gateway

 

 

Probe Cable Length

4.6 m (15 ft)

 

 

Probe Weight

Depends on selected sensor

 

 

Probe Dimensions

See Figure 1 on page 8 through Figure 4 on page 9.

 

 

 

Table 2 Digital Gateway Specifications

 

 

 

Weight

 

145 g (5 oz)

 

 

 

Dimensions

 

17.5 x 3.4 cm (7 x 13/8 in.)

Operating Temperature

 

–20 to 60 °C (–4 to 140 °F)

 

 

 

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Contents Digital PC sc and RC sc ¾-inch Combination pH/ORP Sensor Page Table of Contents Table of Contents Digital Gateway Specifications SpecificationsCombination pH and ORP Sensor Specifications Page Precautionary Labels Safety InformationGeneral Information Use of Hazard InformationSensor Body Styles General Sensor InformationGeneral Information Digital Gateway Operating PrecautionPage Wiring the sc Sensor to the Digital Gateway Section InstallationProper Wire Preparation and Insertion InstallationWiring the Digital Gateway Cat. No Hard-wiring the Digital Gateway to the sc100 Terminal Number Terminal Designation Wire Color Wiring the Sensor at Terminal Block J5Connecting the Sensor using the Quick-connect Fittings Connecting the Sensor to the sc1000Mounting the Digital Gateway Digital Gateway DimensionsPage Controller Key Functions/Features Using the sc100 ControllerUser Interface and Navigation Number Key FunctionDisplay User Interface and Navigation Controller Display FeaturesImportant Key Presses User Interface and Navigation Using the sc1000 ControllerDisplay Features Main Menu Navigating the Menu WindowsKeypad Message window List BoxSensor Diagnostics Menu for pH and ORP Sensor SetupPH Sensor Setup Menu OperationOperation ConfigureAC Frequency ORP Sensor Setup MenuTwo Point Automatic Calibration PH CalibrationOne Point Automatic Calibration Two Point Manual Calibration Operation One Point Manual CalibrationOne-point Manual Calibration ORP CalibrationConcurrent Calibration of Two Sensors for pH and ORP Adjusting the Temperature Page Maintenance Schedule MaintenanceMaintenance Cleaning the SensorError Codes TroubleshootingTroubleshooting the pH or ORP Sensor Error CodesPage Replacement Items, Accessories, and Reagent and Standards Replacement Parts and AccessoriesItem Description Catalog NumberPage Technical and Customer Service U.S.A. only How to OrderA. Customers Information RequiredCanada Repair ServiceLimitation of Remedies Limited WarrantyLimitations Page Compliance Information Product SafetyImmunity EmissionsCompliance Information FCC Part 15, Class a LimitsGroup Name Tag Name Register Data Length Description Type Appendix a Modbus Register InformationSensor Modbus Registers Modbus Register Information Where Appendix B General pH InformationPH Measurement Theory General pH Information PID Controller BasicsDerivative IntegralPage Index