MRU Instruments

For over 30 years MRU has been designing and manufacturing innovative, exceptional quality portable and stationary gas analyzers for combustion, emissions, bio, and syngas from their headquarters in Neckarsulm - Obereisesheim, Germany. The North American operations are located in Houston, TX, where they support their Boiler Service, Power, Petrochemical, Glass, Cement, Engine/Turbine, and Municipal customers with dependable products, backed by fast and reliable service.

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Questions? Call one of our engineers at 1-800-884-4967.

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CATEGORY: Combustion Analyzers (); Emission Analyzers (); Gas Analyzers (); Gas Detectors (); Leak Detectors (); Oxygen Analyzers (); Oxygen Transmitters (); Particle Counters (); Pressure Indicators ()

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MRU OPTIMAX Biogas Analyzer

MRU OPTIMAX Biogas Analyzer

Biogas, Landfill & Engine Exhaust systems for measurements of up to 7 gas components with up to 32,000 point data storage.

Starting at $4,920.00

MRU AMPRO Plus Combustion & Emission Analyzer

MRU AMPRO Plus Combustion & Emission Analyzer

Multi-gas analyzer for stack emissions and combustion measurements of up to 7 gas components.

Starting at $2,367.00

MRU NOVA Plus Emission Analyzer

MRU NOVA Plus Emission Analyzer

Simultaneous measurements of up to 8 gas components, air purging pump for CO-sensor protection.

Starting at $6,299.00

MRU Vario Luxx Emission Analyzer

MRU Vario Luxx Emission Analyzer

Portable stack gas emission analyzer for semi-continuous measurements of industrial combustions.

MRU SWG 100 BioGas Analyzer

MRU SWG 100 BioGas Analyzer

For bio-gas, bio-methane, landfill-gas, coal bed methane.

MRU DM 9600 Manometer

MRU DM 9600 Manometer

Simultaneously display pressure and temperature readings.

Starting at $488.00

MRU SWG-100 CEM Emission Monitoring System

MRU SWG-100 CEM Emission Monitoring System

Compact industrial design, simultaneous measures up to 6 gases, field replaceable, plug & play pre-calibrated sensors.

MRU SWG 100 Compact BioGas Analyzer

MRU SWG 100 Compact BioGas Analyzer

Designed for use in the harsh environment of combined heat and power (CHP) engine gas monitoring.

MRU 400GD Gas Detector

MRU 400GD Gas Detector

Interchangeable sensors: Natural gas, propane, refrigerants, CO, moisture, or temperature.

MRU OMS 420 O2 & COe Transmitter

MRU OMS 420 O2 & COe Transmitter

IN-SITU real time analysis for O2 and COe, 0.1 to 25.0% O2 measuring range, aluminum enclosure.

Starting at $4,208.00

MRU SWG 200 Continuous Emission Monitor

MRU SWG 200 Continuous Emission Monitor

Stationary gas analysis system for continuous flue gas and emission monitoring, simultaneous infrared analysis of up to 8 flue gas components.

MRU 500GD Fast Response Gas Detector

MRU 500GD Fast Response Gas Detector

Fast, selective, and powerful multifunction detector and measuring device with suction feature for gases, stack moisture, and refrigerants.

MRU DM 401 Dust Monitoring System

MRU DM 401 Dust Monitoring System

Double pass opacity monitor, continuous In-Situ measurement, direct continuous measurement across stack.

Starting at $8,089.00

MRU 63677 IR Printer

MRU 63677 IR Printer

High speed easy paper loading IR printer.

MRU 10156 Replaceable Filter Elements

MRU 10156 Replaceable Filter Elements

Replaceable filter elements for condensate separator.

MRU MRU4win PC Software

MRU MRU4win PC Software

Full version software, for real time data acquisition and handling on PC with Windows10.

MRU Exchangeable Probe Tubes

MRU Exchangeable Probe Tubes

High grade steel or Inconel, cone included.

Starting at $204.00

MRU 62741 / 62747 Industrial Probe Handle

MRU 62741 / 62747 Industrial Probe Handle

Industrial Probe handle with sampling line.

Starting at $350.00

MRU 63990 SO2 Sensor

MRU 63990 SO2 Sensor

For use with NOVA Plus Emission Analyzer, 0 to 2,000 ppm.

MRU4u Android App

MRU4u Android App

Remote control of measuring units & visualizing, storing & sharing of measuring data via Bluetooth.

MRU4u Apple iOS App

MRU4u Apple iOS App

Remote control of measuring units & visualizing, storing & sharing of measuring data via Bluetooth.

MRU 11700 Soot Paper

MRU 11700 Soot Paper

Soot paper (1 pack = 200pcs.).

MRU 11701 Soot Comparison Scale

MRU 11701 Soot Comparison Scale

Soot comparison scale for use with the NOVAcompact.

MRU 61494 Seal Gasket

MRU 61494 Seal Gasket

Seal gasket for mounting flange ANSI150.

MRU 52556 Seal Gasket

MRU 52556 Seal Gasket

Seal gasket for mounting flange DN65.

MRU 59465 Printer paper rolls

MRU 59465 Printer paper rolls

Printer paper rolls (5 rolls).

MRU 65758 Micro-SD Card

MRU 65758 Micro-SD Card

Micro-SD card including adapter to standard SD card reader.

MRU 59773 Shoulder Strap

MRU 59773 Shoulder Strap

Adjustable shoulder strap.

MRU 56912 Locking Plug

MRU 56912 Locking Plug

Locking plug for calibration inlet port.

MRU 56356A Pre-Filter

MRU 56356A Pre-Filter

Pre-filter for high dust applications to be mounted after probe handle.

MRU 52798 Filter Tablets

MRU 52798 Filter Tablets

50-pack of filter tablets for Pre-Filter 56356.

MRU 86103 Air Purging Hose

MRU 86103 Air Purging Hose

Air purging hose for use with the DM 401, 1m to 15m lengths available.

Starting at $44.50

Compact case, space for instrument, sensors and power supply.

MRU Pneumatic Tube Cutting Tool

MRU Pneumatic Tube Cutting Tool

Pneumatic Tube (12mm) Cutting Tool.

MRU 14361 Transport Bag

MRU 14361 Transport Bag

Operator carrying bag for use with AMPRO Plus and OPTIMAX.

MRU 65670 Stainless Steel Mounting Fitting

MRU 65670 Stainless Steel Mounting Fitting

Stainless steel mounting fitting Ø12mm-1/2in male, with PTFE fixing ring.

MRU 63218 Shoulder Strap

MRU 63218 Shoulder Strap

Shoulder strap for AMPRO Plus.

MRU 63140USW Service & Cleaning Set

MRU 63140USW Service & Cleaning Set

Service & Cleaning Set.

MRU 400GD/500GD Sensor

MRU 400GD/500GD Sensor

Interchangeable sensors for the MRU 400GD and 500GD gas detectors.

Starting at $130.00

MRU 65028 CO Sensor Protection

MRU 65028 CO Sensor Protection

Separate CO sensor protection by Purafil filter, recommended for use at CHP engines.

MRU 63471 Special Cable

MRU 63471 Special Cable

30m (90') special cable replacement of standard 10m special cable of models OMS420RT or OMS420HT.

MRU Differential Pressure Sensor

MRU Differential Pressure Sensor

High accuracy differential pressure sensor and measurement ± 100 hPa for continuous draft measurement.

MRU Combustion Air Temperature Probe

MRU Combustion Air Temperature Probe

Choice of 2.5, 8, or 12 inch (65, 200, or 300mm) length options.

Starting at $170.00

MRU 63136 AUX Input

MRU 63136 AUX Input

AUX input for additional parameters.

MRU L-Type Pitot Tubes

MRU L-Type Pitot Tubes

L-Type Pitot Tube with or without temperature measurement.

Starting at $186.00

MRU DM 9200 Pilot Tubes

MRU DM 9200 Pilot Tubes

Pilot tubes for the DM 9200, sizes from 3.94in x 0.12in up to 78.71in x 0.47in.

Starting at $198.00

MRU 61399 Solenoid valve

MRU 61399 Solenoid valve

Solenoid valve (back purge).

MRU ABS Transport Case

MRU ABS Transport Case

ABS Transport Case, option for additional space.

Starting at $231.00

MRU 51833 Hand Soot Pump

MRU 51833 Hand Soot Pump

Hand soot pump with accessories.

MRU 63729 Soft Transport Case

MRU 63729 Soft Transport Case

MRU 11182 Detector Probe

MRU 11182 Detector Probe

Detector Probe with handle and 1.95 m cable (without sensor).

MRU AMPRO CO Sensor Software Option

MRU AMPRO CO Sensor Software Option

Reduces range of 63134 sensor to 500 ppm and increases resolution to 0.1 ppm.

MRU Vario Luxx Sensor Software

MRU Vario Luxx Sensor Software

Special software adjustment to lower the range of CO, NO, NO2, or SO2 electrochemical sensors.

Starting at $255.00

MRU AMPRO SO2 Sensor Software Option

MRU AMPRO SO2 Sensor Software Option

Reduces range of 63060 sensor to 300ppm and increases resolution to 0.1ppm.

MRU AMPRO NO Sensor Software Option

MRU AMPRO NO Sensor Software Option

Reduces range of 63058 sensor to 300 ppm and increases resolution to 0.1 ppm.

MRU 63993 Resolution Enhancer

MRU 63993 Resolution Enhancer

Resolution enhancment for the 63993 CO Sensor, 0.1ppm resolution for range 0-500ppm measured CO.

MRU 63994 Resolution Enhancer

MRU 63994 Resolution Enhancer

0.1ppm resolution for range 0-300ppm measured NO.

MRU 65647 Resolution Enhancer

MRU 65647 Resolution Enhancer

0.1ppm resolution for range 0 to 100ppm measured NO2.

MRU 60073 Combustion Air Temperature Probe

MRU 60073 Combustion Air Temperature Probe

Combustion air temperature probe, tube length 12".

MRU 63903 Internal Sample Flow Monitoring

MRU 63903 Internal Sample Flow Monitoring

Internal Sample Flow Monitoring to check internal filters, pump, hoses.

MRU 64158 Automatic Measurement

MRU 64158 Automatic Measurement

Automatic measurement including data storage on SD Card with user definable determination of average value.

MRU 62931 ABS Transport Case

MRU 62931 ABS Transport Case

ABS Transport case, with large compartment for accessories, recommended for combined sets.

MRU 66114 Consumable Parts Set

MRU 66114 Consumable Parts Set

Consumable parts set for one year operation, set of all filters and required spare parts.

MRU 63981 / 63982 Industrial Probe Handle

MRU 63981 / 63982 Industrial Probe Handle

Industrial Probe handle with sampling line.

Starting at $342.00

MRU 63861UP Remote Control Upgrade

MRU 63861UP Remote Control Upgrade

Add logging and additional functionality to your MRU wireless remote control.

MRU 11153 Filter Set

MRU 11153 Filter Set

Filter set for solid fuel measurements (Wood, Pellets, Coal) protects the unit against humidity and acid gases.

MRU 63139 Gas flow velocity using PITOT Tubes

MRU 63139 Gas flow velocity using PITOT Tubes

Gas flow velocity using PITOT Tubes.

MRU Gas Sampling Tube

MRU Gas Sampling Tube

Gas sampling tube for insertion in the stack and mounting on probe HD or HD-GW.

Starting at $420.00

MRU Instruments Exchangeable Probe Tube

MRU Instruments Exchangeable Probe Tube

Exchangeable probe tube for the Vario Plus industrial probe handle, includes cone.

Starting at $420.00

MRU 65179 I/O Module

MRU 65179 I/O Module

I/O Module with 4chanel 4-20mA analog output and 2 alarm relays (fail-safe NO contacts).

MRU 13432-D6D8 HPI Probe Adapter

MRU 13432-D6D8 HPI Probe Adapter

Probe adapter for use with Vario Luxx HPI probe system.

MRU 86104 Air Dust Filter

MRU 86104 Air Dust Filter

Replacement air dust filter for blower.

MRU 64198 Automatic Zeroing of Analyzer

MRU 64198 Automatic Zeroing of Analyzer

Automatic zeroing of analyzer.

MRU Instruments Sintered Metal Filter

MRU Instruments Sintered Metal Filter

Sintered metal filter for probe tube, 3µm.

MRU 65718 CO Sensor Protection

MRU 65718 CO Sensor Protection

CO sensor protection using additional purging pump and CO cut off valve.

MRU 65673 Special "S" Type Straight Pitot Tube

MRU 65673 Special "S" Type Straight Pitot Tube

Special "S"-type straight Pitot tube, Ø12 x 250mm, incl. K-type thermocouple for flow velocity (volume) measurement.

MRU 65426 Consumables

MRU 65426 Consumables

Set of particulate filter, activated carbon filter, purafil filter, replaceable hose set for condensate pump.

MRU 65430 Analyzer External Control

MRU 65430 Analyzer External Control

Analyzer external control via 4x contacts (relays or open collector transistors).

MRU 65832 Special "S" Type Straight Pitot Tube

MRU 65832 Special "S" Type Straight Pitot Tube

Special "S" type straight Pitot tube, Ø12 x 250mm, incl. K-type thermocouple and integrated gas sampling line.

MRU Cabinet Heater

MRU Cabinet Heater

Cabinet 200W heater, temperature regulated, for freeze protection at low ambient air temperatures from -20°C to +5°C.

Starting at $660.00

MRU 66030 RS485 to Ethernet converter

MRU 66030 RS485 to Ethernet converter

RS485 to Ethernet converter.

MRU 65435 Gas Detector

MRU 65435 Gas Detector

Gas detector (%LEL CH4) to monitor air inside analyzer cabinet.

MRU 86137 Replacement Filter Elements

MRU 86137 Replacement Filter Elements

Set of replacement filter elements for compressed air kit.

MRU 13291 Active Vent Adapter

MRU 13291 Active Vent Adapter

Active vent adapter for use with MRU AMPRO Plus and OPTIMAX analyzers.

Starting at $737.00

MRU AMPRO NO Sensor

MRU AMPRO NO Sensor

0 to 1,000 ppm with overload of 5,000 ppm, for use with AMPRO Plus. To reduce the range to 300 ppm also order 63135.

MRU 63937 RCU NO Sensor

MRU 63937 RCU NO Sensor

For use with the NOVA Plus and AMPRO 2000, 0 to 1,000 ppm range.

MRU 65427 Flame Arrestor

MRU 65427 Flame Arrestor

Flame arrestor with 1/4”ID thread, to be mounted directly on biogas pipe at the sampling point or at sample gas inlet.

MRU 63866 Peltier Gas Cooler

MRU 63866 Peltier Gas Cooler

Low energy, high efficiency Peltier Gas Cooler with condensate pump.

MRU 11247 Filtered Condensate Catch Pot

MRU 11247 Filtered Condensate Catch Pot

Filtered condensate catch pot with automatic draining complete with fittings and canister.

MRU Vario Luxx EC Sensors

MRU Vario Luxx EC Sensors

Electrochemical cell technology for gas measurement.

Starting at $864.00

MRU 65989 NO Electrochemical Cell Measurement

MRU 65989 NO Electrochemical Cell Measurement

NO electrochemical cell measurement, using long-life electrochemical cell, 0 to 1,000 ppm measuring range.

MRU 951002 Sensors

MRU 951002 Sensors

O2, H2Slow, H2, and CO.

Starting at $933.00

MRU 65419 O2 Module

MRU 65419 O2 Module

O2 analysis, 0 to 25%, using long-life electrochemical cell.

MRU 63060 SO2 Sensor

MRU 63060 SO2 Sensor

For use with AMPRO Plus, range 0 to 2,000 ppm. To reduce range to 300ppm also order 11183.

MRU 63991 H2S Sensor

MRU 63991 H2S Sensor

For use with NOVA Plus Emission Analyzer, 0 to 500 ppm.

MRU 66029 RS485 to Profi-Bus converter

MRU 66029 RS485 to Profi-Bus converter

RS485 to Profi-Bus converter.

MRU 59979 SWG Awning

MRU 59979 SWG Awning

Aluminum frame awning to protect SWG 100 or 200 devices from weather conditions.

MRU 65974 NO2 Electrochemical Cell Module

MRU 65974 NO2 Electrochemical Cell Module

NO2 electrochemical cell measurement, 0 to 200 measuring range, 1,000 ppm overload.

MRU 65991 SO2 Electrochemical Cell Measurement

MRU 65991 SO2 Electrochemical Cell Measurement

SO2 Electrochemical Cell Module, 0 to 1,000 ppm measuring range, 4,000 ppm overload.

MRU 65968 CO Electrochemical Cell Measurement

MRU 65968 CO Electrochemical Cell Measurement

CO electrochemical cell measurement, 0 to 4,000 ppm measuring range, 20,000 ppm overload.

MRU AMPRO NO2 Sensor

MRU AMPRO NO2 Sensor

0 to 200ppm with overload of 1,000ppm, for use with AMPRO Plus. To reduce range to 100ppm also order 65647.

MRU NO2 Sensor

0 to 200ppm (over range to 1000ppm) for use with the NOVA Plus.

MRU 10479 H2S Sensor

MRU 10479 H2S Sensor

H2S electrochemical cell measurement of 0 to 2,000ppm with up to 4,000ppm short time overload.

MRU AMPRO CO Sensor

MRU AMPRO CO Sensor

0 to 40,000 ppm with overload of 100,000 ppm, for use with AMPRO Plus. To reduce the range to 500 ppm also order 63133.

MRU RCU CO Sensor

MRU RCU CO Sensor

CO ranges from 0 to 40,000 ppm, for use with NOVA Plus Emission Analyzer.

MRU 63607M Adapter Flange

MRU 63607M Adapter Flange

For use above DN65 style sampling tubes at sites with 4" ANSI 150lbs flanges.

MRU 64618 CO2 Infrared Module

MRU 64618 CO2 Infrared Module

Single gas NDIR Infrared Module.

MRU OMS 420 Probes

MRU OMS 420 Probes

316Ti stainless steel DN65 PN6 flange and Inconel steel DN65 PN6 flange models.

Starting at $1,278.00

MRU 59528 Replacement O2 Sensor

MRU 59528 Replacement O2 Sensor

Replacement O2 Sensor for the OMS 420.

MRU 65990 CO Electrochemical Cell Measurement

MRU 65990 CO Electrochemical Cell Measurement

CO Electrochemical Cell Module, including CO sensor cutoff valve and air purging pump for sensor protection.

MRU 86105 Calibration Head Assembly

MRU 86105 Calibration Head Assembly

Calibration Head Assembly, for manual zero/span check.

MRU 62592A / 62592C Gas Sampling Probe

MRU 62592A / 62592C Gas Sampling Probe

Gas sampling probe model LD, for low dust with on tip sintered metal filter.

Starting at $1,802.00

MRU OMS 420 High Temperature Probes

MRU OMS 420 High Temperature Probes

Only for use with OMS420HT model, or use at very high temperature combustion sites.

Starting at $1,909.00

MRU 86132 Compressed Air Kit

MRU 86132 Compressed Air Kit

Compressed air kit, for air purge using compressed air system.

MRU 65684 CO2 NDIR Bench

MRU 65684 CO2 NDIR Bench

CO2 analysis using a non-dispersive infrared sensor with 0 to 20% measuring range with an overload of 40%.

MRU 63320 High Temperature Probe

MRU 63320 High Temperature Probe

Measures up to 3000°F (1700°C) and has a 40 x 0.4 inch (1000 x 10 mm) ceramic tube.

MRU 65971 Additional Safety Options

MRU 65971 Additional Safety Options

LEL gas detector with system alarm in case of inside cabinet leakage, additional safety precautions.

MRU 65648 CO2 / CxHy Infrared Module

MRU 65648 CO2 / CxHy Infrared Module

Dual gas NDIR CO2 / CxHy Infrared Module.

MRU 65128 NDIR Bench for CH4

MRU 65128 NDIR Bench for CH4

NDIR bench for CH4, CO2 analysis, 0 to 100% / 0 to 100%.

MRU 61414 COe SENSOR

MRU 61414 COe SENSOR

COe sensor for measurement of combustibles (equivalent CO) up to 1000ppm by using special heated solid electrolyte sensor.

MRU 62010 Replacement COe Sensor

MRU 62010 Replacement COe Sensor

Replacement COe Sensor for the OMS 420.

MRU Heated Blanket

MRU Heated Blanket

External wrap for SWG 100 BioGas.

MRU PU420 Pneumatic Auto Calibration

MRU PU420 Pneumatic Auto Calibration

For automatic calibration using permanently attached calibration gas cylinder.

MRU 951002 NDIR

MRU 951002 NDIR

For biogas, biomethane or coal seam gas.

Starting at $3,049.00

MRU Instruments 12720 Triple Gas Infrared Module

MRU Instruments 12720 Triple Gas Infrared Module

Triple gas NDIR, CO / CO2 / CxHy as CH4 Infrared Module.

MRU Instruments 12815 Triple Gas Infrared Module

MRU Instruments 12815 Triple Gas Infrared Module

Triple gas NDIR, CO / CO2 / CxHy as C3H8 Infrared Module.

MRU 61558F / 61558S Gas Sampling Probe

MRU 61558F / 61558S Gas Sampling Probe

Gas sampling probe model HD, for flue gas with flying ash dust.

Starting at $3,479.00

MRU Vario Luxx 3-Gas NDIR Bench

MRU Vario Luxx 3-Gas NDIR Bench

Non-dispersive infrared sensor for CO, CO2, and CxHy analysis.

Starting at $4,360.00

MRU 61557F / 61557S Gas Sampling Probe

MRU 61557F / 61557S Gas Sampling Probe

Gas sampling probe model HD, for flue gas with flying ash dust.

Starting at $4,581.00

MRU On-Site Service

MRU On-Site Service

One-day, on-site field servicing for the SWG 100 series analyzers and SWG 200 monitor.

Starting at $5,000.00

MRU 86101 / 86102 Air Purging Blower

MRU 86101 / 86102 Air Purging Blower

Single phase 110 / 220 VAC motor, high capacity 40m3/h, for use with the DM 401.

Starting at $6,284.00

MRU 11744 O2 Analysis

MRU 11744 O2 Analysis

Paramagnetic cell, 0 to 25%.

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