pH Calibration Services

pH calibration—on site or through our mail-in lab.

pH calibration—on site or through our mail-in lab.

We calibrate, verify, troubleshoot, and repair portable and benchtop pH meters, electrodes, analyzers, transmitters, controllers, and complete measurement loops. Choose on-site service for installed systems or send eligible equipment to our calibration lab.

MULTI-POINT pH CHECK

7.00 pH

4.00

4.00

7.00

7.00

10.00

10.00

BUFFER 4 • 7 • 10

SLOPE STABLE ✓

pH Reference Solutions

Offset • Slope • Temperature • Verification

INSTRUMENT COVERAGE / SERVICE CAPABILITY

pH instruments, fully supported.

From portable meters and laboratory electrodes to fixed analyzers and complete control loops, we support pH measurement used across water, wastewater, laboratories, quality operations, and industrial processes.

INSTRUMENT TYPES

01

Portable / Handheld pH Meters

02

Laboratory / Benchtop pH Meters

03

Combination / Differential pH Electrodes

04

pH Analyzers / Transmitters / Controllers

05

Temperature-Compensated / Complete pH Loops

SVC / 01

Calibration

SVC / 02

Troubleshooting & repairs

SVC / 03

Installation, commissioning & setup

SVC / 04

Procurement, sourcing & sales

INSTRUMENT COVERAGE / SERVICE CAPABILITY

pH instruments, fully supported.

From portable meters and laboratory electrodes to fixed analyzers and complete control loops, we support pH measurement used across water, wastewater, laboratories, quality operations, and industrial processes.

INSTRUMENT TYPES

01

Portable / Handheld pH Meters

02

Laboratory / Benchtop pH Meters

03

Combination / Differential pH Electrodes

04

pH Analyzers / Transmitters / Controllers

05

Temperature-Compensated / Complete pH Loops

SVC / 01

Calibration

SVC / 02

Troubleshooting & repairs

SVC / 03

Installation, commissioning & setup

SVC / 04

Procurement, sourcing & sales

INSTRUMENT COVERAGE / SERVICE CAPABILITY

pH instruments, fully supported.

From portable meters and laboratory electrodes to fixed analyzers and complete control loops, we support pH measurement used across water, wastewater, laboratories, quality operations, and industrial processes.

INSTRUMENT TYPES

01

Portable / Handheld pH Meters

02

Laboratory / Benchtop pH Meters

03

Combination / Differential pH Electrodes

04

pH Analyzers / Transmitters / Controllers

05

Temperature-Compensated / Complete pH Loops

SVC / 01

Calibration

SVC / 02

Troubleshooting & repairs

SVC / 03

Installation, commissioning & setup

SVC / 04

Procurement, sourcing & sales

Portable digital pH tester used for liquid measurement
Laboratory glassware and electrode for solution testing
Gloved technician holding a water sample beaker

FIELD & LAB EQUIPMENT / ELECTRODES, METERS, ANALYZERS & CONTROL LOOPS

pH instruments we calibrate and service.

Our technicians support electrodes, portable and benchtop meters, analyzers, transmitters, controllers, temperature compensation, wiring, configuration, and complete pH measurement loops—on site or through our mail-in lab when appropriate.

Portable and handheld pH meters

Laboratory and benchtop pH meters

Combination and differential electrodes

Temperature compensation and sensor cables

Analyzers, transmitters and controllers

Outputs, alarms and complete pH loops

LIVE pH VERIFICATION

7.00 pH

±0.5%

TRACEABLE STANDARD

BUFFER RESPONSE

VERIFIED

pH calibration for the complete measurement path—not only the display.

Our pH calibration service can include reference-buffer comparisons, electrode offset and slope response, temperature-compensation checks, analyzer or transmitter configuration, wiring, signal output, controller indication, and complete-loop behavior. Service may be completed on site or through our mail-in calibration lab for eligible equipment.

✓ Reference-buffer calibration and verification · ✓ Electrode response and temperature checks · ✓ On-site and mail-in options · ✓ Clear calibration documentation

Resolve slow response, drift, coating, damaged electrodes, or unstable indication.

Inspection, cleaning, troubleshooting, repair, and recalibration can restore dependable pH measurement—or clarify when electrode or instrument replacement is the practical option.

Calibration Service Levels

Every level includes a calibration certificate, instrument label, and online records. Higher levels add detailed data, 4–⁠20 mA calibration, and flexible test points.

Calibration Plan Elements

Basic Calibration

Calibrated to spec, with certificate, label, and online records.

Most popular

Advanced Calibration

Adds detailed as-found and as-left calibration data.

Ultimate Calibration

Adds 4–⁠20 mA calibration and flexible testing points.

Included at every level

Delivery Method

Onsite or lab

Onsite or lab

Onsite or lab

Calibrated to manufacturer’s specifications or customer requirements

Calibration certificate

Calibration label on instrument

Online certificate database

Added at higher levels

Calibration using manufacturer’s verificator or traceable standard

As Found and As Left Detailed Calibration Data

4–20 mA Calibration

Flexible Testing Point Options

Not sure which level fits your instruments? We’ll help you choose.

Calibration Service Levels

Every level includes a calibration certificate, instrument label, and online records. Higher levels add detailed data, 4–⁠20 mA calibration, and flexible test points.

Calibration Plan Elements

Basic Calibration

Most popular

Advanced Calibration

Ultimate Calibration

Included at every level

Delivery Method

Onsite or lab

Onsite or lab

Onsite or lab

Calibrated to manufacturer’s specifications or customer requirements

Calibration certificate

Calibration label on instrument

Online certificate database

Added at higher levels

Calibration using manufacturer’s verificator or traceable standard

As Found and As Left Detailed Calibration Data

4–20 mA Calibration

Flexible Testing Point Options

Not sure which level fits your instruments? We’ll help you choose.

Calibration Service Levels

Every level includes a calibration certificate, instrument label, and online records. Higher levels add detailed data, 4–⁠20 mA calibration, and flexible test points.

Basic Calibration

Calibrated to spec, with certificate, label, and online records.

Onsite or lab

Calibrated to specifications

Calibration certificate

Calibration label on instrument

Online certificate database

Manufacturer verificator or traceable standard

As Found and As Left detailed data

4–20 mA calibration

Flexible testing point options

Not sure which level fits your instruments? We’ll help you choose.

Industrial pH measurement instrument
Laboratory electrode and reference solution glassware

Your Calibration Journey

Follow your device through our streamlined calibration process.

On-Site Service

Mail-In Service

Discovery

Share device info & requirements

Quote Preparation

We prepare your detailed quote

Approval & Scheduling

Pick a convenient date

We Come to You

Our team visits your facility

On-Site Calibration

Calibration performed at your location

Certificate Delivered

NIST-traceable where applicable

Complete & Documented

Your Calibration Journey

Follow your device through our streamlined calibration process.

On-Site Service

Mail-In Service

Discovery

Share device info & requirements

Quote Preparation

We prepare your detailed quote

Approval & Scheduling

Pick a convenient date

We Come to You

Our team visits your facility

On-Site Calibration

Calibration performed at your location

Certificate Delivered

NIST-traceable where applicable

Complete & Documented

Your Calibration Journey

Follow your device through our streamlined calibration process.

On-Site Service

Mail-In Service

Discovery

Share device info & requirements

Quote Preparation

We prepare your detailed quote

Approval & Scheduling

Pick a convenient date

We Come to You

Our team visits your facility

On-Site Calibration

Calibration performed at your location

Certificate Delivered

NIST-traceable where applicable

Complete & Documented

Dependable pH measurement supports treatment, quality, and process control.

We provide on-site and mail-in calibration options for pH equipment used across municipal water, wastewater, laboratories, quality operations, and industrial process systems.

Water & wastewater

Calibration for process monitoring, treatment control, discharge conditions, and systems where electrode condition affects operating decisions.

Laboratory & quality control

Verification for benchtop meters and electrodes used in sample testing, formulation, inspection, and quality decisions.

Industrial & chemical process

Calibration and troubleshooting for fixed probes, analyzers, transmitters, outputs, and complete control loops supporting consistent processes.

TALK WITH AN INSTRUMENTATION SPECIALIST

Ready to get your instrumentation dialed in?

Tell us what you’re measuring, what isn’t working, or what needs to be certified. Our team will help you plan the next step.

What happens next

A practical response from people who understand instrumentation.

01

We review your request and equipment needs.

02

We confirm scope, timing, and service options.

03

You get a clear recommendation and next step.

TALK WITH AN INSTRUMENTATION SPECIALIST

Ready to get your instrumentation dialed in?

Tell us what you’re measuring, what isn’t working, or what needs to be certified. Our team will help you plan the next step.

What happens next

A practical response from people who understand instrumentation.

01

We review your request and equipment needs.

02

We confirm scope, timing, and service options.

03

You get a clear recommendation and next step.

TALK WITH AN INSTRUMENTATION SPECIALIST

Ready to get your instrumentation dialed in?

Tell us what you’re measuring, what isn’t working, or what needs to be certified. Our team will help you plan the next step.

What happens next

A practical response from people who understand instrumentation.

01

We review your request and equipment needs.

02

We confirm scope, timing, and service options.

03

You get a clear recommendation and next step.