Gas Detector Calibration & Repair

Gas Detector Calibration & Repair

Calibration, bump-test support, troubleshooting, and repair for portable and fixed gas detection systems. On-site service across Minnesota and the Midwest, or mail-in from anywhere in the U.S.

Calibration, bump-test support, troubleshooting, and repair for portable and fixed gas detection systems. On-site service across Minnesota and the Midwest, or mail-in from anywhere in the U.S.

Standard turnaround: 7–10 business days

Rush available

On-site or mail-in

Gas monitor service and calibration equipment with portable and fixed detectors
Technician performing on-site gas monitor calibration
Fixed and portable gas detector service equipment on a white background
Gas monitors and calibration gas equipment on a dark background
Portable gas monitors on a stainless steel lab bench with a calibration gas cylinder and regulator
Portable gas monitors and a docking test station connected to calibration gas in a process facility
Portable and fixed gas detectors connected to a calibration gas cylinder on a test bench

NIST-traceable where applicable

Rush service available

Popular gas detector brands we service

Just a sample. We work on many more makes and models.

Don’t see your brand? Ask us

  • Honeywell logo
  • MSA logo
  • RKI Instruments logo
  • Industrial Scientific logo
  • Dräger

  • Blackline Safety logo
  • Crowcon logo
  • GfG Instrumentation

  • Bacharach

  • Gas Clip Technologies

  • Many more brands

Popular gas detector brands we service

Just a sample. We work on many more makes and models.

Don’t see your brand? Ask us

  • Honeywell logo
  • MSA logo
  • RKI Instruments logo
  • Industrial Scientific logo
  • Dräger

  • Blackline Safety logo
  • Crowcon logo
  • GfG Instrumentation

  • Bacharach

  • Gas Clip Technologies

  • Many more brands

CALIBRATION GAS COVERAGE / 20+ TARGETS

20+ gases—and coverage beyond the common targets.

The gases shown below represent many of our most common calibration targets—not the limit of our capabilities. We support additional atmospheric, toxic, combustible, oxidizing, and specialty gases, with concentrations and mixtures matched to the instrument and application.

Toxic

Toxic

H₂S

Hydrogen Sulfide

Low-ppm toxic gas response

Toxic

Toxic

CO

Carbon Monoxide

Workplace exposure response

Toxic

Toxic

NH₃

Ammonia

Refrigeration and process safety

Toxic

Toxic

Cl₂

Chlorine

Water-treatment gas response

Toxic

Toxic

SO₂

Sulfur Dioxide

Industrial exposure monitoring

Toxic

Toxic

NO

Nitric Oxide

Combustion and process monitoring

Toxic

Toxic

NO₂

Nitrogen Dioxide

Diesel and combustion exposure

Toxic

Toxic

HCl

Hydrogen Chloride

Acid gas detection response

Toxic

Toxic

HCN

Hydrogen Cyanide

High-hazard toxic response

Toxic

Toxic

PH₃

Phosphine

Fumigation and storage monitoring

Toxic

Toxic

C₂H₄O

Ethylene Oxide

Sterilization area monitoring

Combustible

Combustible

LEL

Combustible Gas

Percent lower explosive limit

Combustible

Combustible

CH₄

Methane

Natural gas and biogas detection

Combustible

Combustible

H₂

Hydrogen

Leak and explosive-range response

Combustible

Combustible

C₃H₈

Propane

Fuel gas and LEL response

Atmospheric

Atmospheric

O₂

Oxygen

Deficiency and enrichment response

Asphyxiant

Asphyxiant

CO₂

Carbon Dioxide

Percent and ppm measurement

Oxidizer

Oxidizer

O₃

Ozone

Disinfection and process safety

Oxidizer

Oxidizer

ClO₂

Chlorine Dioxide

Water-treatment process safety

Photoionization

Photoionization

VOC

Volatile Organic Compounds

PID response with isobutylene

Toxic

H₂S

Hydrogen Sulfide

Low-ppm toxic gas response

Toxic

CO

Carbon Monoxide

Workplace exposure response

Toxic

NH₃

Ammonia

Refrigeration and process safety

Toxic

Cl₂

Chlorine

Water-treatment gas response

Toxic

SO₂

Sulfur Dioxide

Industrial exposure monitoring

Toxic

NO

Nitric Oxide

Combustion and process monitoring

NIST-traceable calibration gas for common and specialty targets.

Our capabilities extend beyond the gases displayed above. Single-gas cylinders, blended mixtures, zero air, nitrogen balance, and application-specific concentrations are available based on service scope.

20+

GAS TYPES

Portable gas monitor used during field work
Technician inspecting a mounted detection device
Industrial technician working in a process facility

FIELD EQUIPMENT / PORTABLE, FIXED & CONTROLLER SYSTEMS

GAS DETECTION COVERAGE / 10 DETECTOR FAMILIES

From personal monitors to complete detection networks.

We support the device, the signal path, and the systems around it—from personal monitors and fixed sensors to controllers, docks, and connected fleets.

01

FIELD / MOBILE

Personal & Portable

Personal and transportable monitors used wherever people and temporary work zones move.

PORTABLE / MULTI-GAS

Portable Multi-Gas Monitors

Calibration and response verification for personal and confined-space monitors with multiple sensor channels.

TYPICAL

Common channels: O₂, H₂S, CO, LEL, CO₂

PORTABLE / MULTI-GAS

Portable Multi-Gas Monitors

Calibration and response verification for personal and confined-space monitors with multiple sensor channels.

TYPICAL

Common channels: O₂, H₂S, CO, LEL, CO₂

PORTABLE / SINGLE-GAS

Single-Gas Detectors

Service for compact personal monitors dedicated to one toxic, oxygen, or combustible target.

TYPICAL

Clip-style, serviceable, and disposable-life instruments

PORTABLE / SINGLE-GAS

Single-Gas Detectors

Service for compact personal monitors dedicated to one toxic, oxygen, or combustible target.

TYPICAL

Clip-style, serviceable, and disposable-life instruments

PORTABLE / AREA

Area Monitoring Instruments

Calibration for transportable monitors used to establish temporary warning zones and perimeter coverage.

TYPICAL

Work-zone, shutdown, turnaround, and emergency response

PORTABLE / AREA

Area Monitoring Instruments

Calibration for transportable monitors used to establish temporary warning zones and perimeter coverage.

TYPICAL

Work-zone, shutdown, turnaround, and emergency response

WEARABLE / PERSONAL

Personal Exposure Monitors

Calibration and alarm verification for wearable instruments used in occupational exposure programs.

TYPICAL

Toxic gas, VOC, oxygen, and multi-threat wearables

WEARABLE / PERSONAL

Personal Exposure Monitors

Calibration and alarm verification for wearable instruments used in occupational exposure programs.

TYPICAL

Toxic gas, VOC, oxygen, and multi-threat wearables

02

FIXED / CONNECTED

Installed & Networked

Installed sensors and connected signal paths protecting fixed process areas and facilities.

FIXED / POINT DETECTION

Fixed-Point Gas Detectors

Calibration at the installed sensor head with verification of local display, relays, and transmitted output.

TYPICAL

Electrochemical, catalytic bead, infrared, and PID

FIXED / POINT DETECTION

Fixed-Point Gas Detectors

Calibration at the installed sensor head with verification of local display, relays, and transmitted output.

TYPICAL

Electrochemical, catalytic bead, infrared, and PID

FIXED / OPEN-PATH

Open-Path Gas Detection Systems

Alignment, response checks, and system verification for line-of-sight detection across process areas.

TYPICAL

Infrared combustible and toxic gas monitoring paths

FIXED / OPEN-PATH

Open-Path Gas Detection Systems

Alignment, response checks, and system verification for line-of-sight detection across process areas.

TYPICAL

Infrared combustible and toxic gas monitoring paths

CONNECTED / WIRELESS

Wireless Gas Detection Networks

Sensor calibration plus review of wireless communication, gateway visibility, alarms, and device status.

TYPICAL

Battery-powered field nodes, gateways, and repeaters

CONNECTED / WIRELESS

Wireless Gas Detection Networks

Sensor calibration plus review of wireless communication, gateway visibility, alarms, and device status.

TYPICAL

Battery-powered field nodes, gateways, and repeaters

03

SAMPLING / SYSTEMS

Sampling, Control & Test

Sample delivery, annunciation, and automated testing infrastructure surrounding the detector.

SAMPLING / PUMPED

Pumped-Sampling Gas Monitors

Flow, leak, tubing, filter, and gas-response checks for monitors that draw samples from remote points.

TYPICAL

Confined-space probes, sample lines, and aspirated systems

SAMPLING / PUMPED

Pumped-Sampling Gas Monitors

Flow, leak, tubing, filter, and gas-response checks for monitors that draw samples from remote points.

TYPICAL

Confined-space probes, sample lines, and aspirated systems

CONTROL / ANNUNCIATION

Gas Detection Controllers & Panels

Complete-loop verification from the field sensor through analog or digital input, relays, alarms, and annunciation.

TYPICAL

Single-channel controllers, multi-zone panels, and PLC interfaces

CONTROL / ANNUNCIATION

Gas Detection Controllers & Panels

Complete-loop verification from the field sensor through analog or digital input, relays, alarms, and annunciation.

TYPICAL

Single-channel controllers, multi-zone panels, and PLC interfaces

TEST / FLEET MANAGEMENT

Docking & Automated Test Stations

Functional checks for automated bump-test and calibration stations, gas delivery, records, and connected monitor fleets.

TYPICAL

Single-bay docks, multi-bay systems, and calibration cradles

TEST / FLEET MANAGEMENT

Docking & Automated Test Stations

Functional checks for automated bump-test and calibration stations, gas delivery, records, and connected monitor fleets.

TYPICAL

Single-bay docks, multi-bay systems, and calibration cradles

10

DETECTOR FAMILIES

Don’t see your detector listed?

Send us the make and model and we’ll quote calibration or repair.

ACTIVE GAS DETECTION

FIXED + PORTABLE

FIXED

FIXED

O₂ 20.9

PORTABLE

LEL 08

PORTABLE

AMBIENT GAS DETECTED

ALARMS ACTIVE

Gas monitor calibration for the complete detection path, not just the display.

Our gas monitor service can include sensor inspection, appropriate test-gas exposure, response and alarm checks, controller output, configuration, wiring, and complete-loop performance. Service is available on site or through our mail-in calibration lab for eligible equipment.

Calibration and response verification

Alarm and output-function checks

On-site and in-lab options

Detailed calibration documentation

Restore dependable response across aging sensors and detection systems

Inspection, troubleshooting, repair, and recalibration can help restore dependable operation—or clarify when sensor, module, 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.

Gas Service Readout

All channels OK

CH 01

15,020+

Calibrations performed

CH 02

20+

Years serving clients

CH 03

4.9

Google rating

CH 04

NIST

Traceable where applicable

Gas Service Readout

All channels OK

CH 01

15,020+

Calibrations performed

CH 02

20+

Years serving clients

CH 03

4.9

Google rating

CH 04

NIST

Traceable where applicable

Gas Service Readout

All channels OK

CH 01

15,020+

Calibrations performed

CH 02

20+

Years serving clients

CH 03

4.9

Google rating

CH 04

NIST

Traceable where applicable

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

Gas Monitor Service Questions

Clear answers about testing, calibration schedules, supported equipment, and service documentation.

What’s the difference between a bump test and calibration?

What’s the difference between a bump test and calibration?

How often should gas monitors be calibrated?

How often should gas monitors be calibrated?

Can you service both fixed and portable gas detectors?

Can you service both fixed and portable gas detectors?

Does calibration service include documentation?

Does calibration service include documentation?

How long does calibration take?

How long does calibration take?

Where do you offer on-site service?

Where do you offer on-site service?

How do I send in a gas monitor?

How do I send in a gas monitor?

Is your calibration gas NIST-traceable?

Is your calibration gas NIST-traceable?

Have a different question? Call (763) 972-1001.

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.