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.

Sort by:
MRU OPTIMA 7 Biogas Analyzer
Biogas, Landfill & Engine Exhaust systems for measurements of up to 7 gas components with 16,000 point data storage
$3,399.00
MRU AMPRO 2000 Combustion & Emission Analyzer
Simultaneous measurement of up to 7 gas components: O2, CO, CO2, NO, NO2, SO2, & H2S
$2,099.00
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
$2,900.00
MRU NOVA Plus Emission Analyzer
Simultaneous measurements of up to 8 gas components, air purging pump for CO-sensor protection
$5,699.00
MRU Vario Luxx Emission Analyzer
Portable stack gas emission analyzer for semi-continuous measurements of industrial combustions
$7,624.00
MRU DM 9600 Manometer
Simultaneously display pressure and temperature readings
$363.00
MRU DM 401 Dust Monitoring System
Double pass opacity monitor, continuous In-Situ measurement, direct continuous measurement across stack
$5,861.00
MRU 951010 SWG 100 BioGas Analyzer
Designed for use in the harsh environment of combined heat and power (CHP) engine gas monitoring
$6,063.00
MRU SWG-100 CEM Emission Monitoring System
Compact industrial design, simultaneous measures up to 6 gases, field replaceable, plug & play pre-calibrated sensors
$9,573.00
MRU 63677 IR Printer
High speed easy paper loading IR printer
$307.00
MRU OPTIMA 7 Sensors
OPTIMA 7 Sensors for use at flue gas emission measurements of cogeneration engines
$381.00
MRU 10156 Replaceable Filter Elements
Replaceable filter elements for condensate separator
$16.00
MRU Exchangeable Probe Tubes
High grade steel or Inconel, cone included
$113.00
MRU 62741 / 62747 Industrial Probe Handle
Industrial Probe handle with sampling line
$265.00
MRU 59528 Replacement O2 Sensor
Replacement O2 Sensor for the OMS 420
$1,260.00
MRU RCU CO Sensor
CO ranges from 0 to 40,000 ppm, for use with NOVA Plus Emission Analyzer
$749.00
MRU L-Type Pilot Tubes
L-Type Pilot Tube with or without temperature measurement
$152.00
MRU 11153 Filter Set
Filter set for solid fuel measurements (Wood, Pellets, Coal) protects the unit against humidity and acid gases
$281.00
MRU 63861UP Remote Control Upgrade
Add logging and additional functionality to your MRU wireless remote control
$289.00
MRU 56356 Pre-Filter
Pre-Filter for high dust applications to be mounted after probe handle
$60.00
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
$460.00
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
$489.00
MRU 63140 Service & Cleaning Set
Service & Cleaning Set
$116.00
MRU 61414 COe SENSOR
COe sensor for measurement of combustibles (equivalent CO) up to 1000ppm by using special heated solid electrolyte sensor
$2,279.00
MRU OMS 420 Probes
316Ti stainless steel DN65 PN6 flange and Inconel steel DN65 PN6 flange models
$1,052.00
MRU CO / CO2 / CxHy Infrared Module
Triple gas NDIR, CO / CO2 / CxHy Infrared Module
$2,334.00
MRU 65684 CO2 NDIR Bench
CO2 analysis using a non-dispersive infrared sensor with 0 to 20% measuring range with an overload of 40%
$1,316.00
MRU4u Android App
Remote control of measuring units & visualizing, storing & sharing of measuring data
$0.00
MRU 52798 Filter Tablets
50-pack of filter tablets for Pre-Filter 56356
$30.00
MRU OMS 420 High Temperature Probes
Only for use with OMS420HT model, or use at very high temperature combustion sites
$289.00
MRU Instruments Gas Sample Probe Handle
9 or 16ft sample line, available as unheated or heated with 248°F regulated temperature
$927.00
MRU Differential Pressure Sensor
High accuracy differential pressure sensor and measurement ± 100 hPa for continuous draft measurement
$121.00
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
$392.00
MRU 63060 SO2 Sensor
For use with AMPRO 2000, range 0 to 2,000 ppm
$699.00
MRU 62010 Replacement COe Sensor
Replacement COe Sensor for the OMS 420
$2,108.00
MRU 63218 Shoulder Strap
Shoulder strap for AMPRO 2000 Gas Analyzer
$70.00
MRU 64167 Combustion Probe
Standard probe with fixed stainless steel tube 9.81 x 0.31 inch (250 x 8 mm) and integrated NiCrNi type-K thermocouple
$183.00
MRU 65419 O2 Module
O2 analysis, 0 to 25%, using long-life electrochemical cell
$769.00
MRU 65128 NDIR Bench for CH4
NDIR bench for CH4, CO2 analysis, 0 to 100% / 0 to 100%
$1,718.00
MRU Combustion Air Temperature Probe
Choice of 2.5, 8, or 12 inch (65, 200, or 300mm) length options
$127.00
MRU AMPRO H2S Sensor
For use with AMPRO 2000, ranges 0 to 500 ppm
$799.00
MRU4u Apple App
Remote control of measuring units & visualizing, storing & sharing of measuring data
$0.00
MRU 59773 Shoulder Strap
Adjustable shoulder strap
$17.00
MRU 10128 Filter Set
Set of all filters (routine replacement by user)
$209.00
MRU Pitot Tube Weld
TIG welding for pitot tube suitable up to 1832°F (1000°C)
$222.00
MRU 63981 / 63982 Industrial Probe Handle
Industrial Probe handle with sampling line
$281.00
MRU Instruments Exchangeable Probe Tube
Exchangeable probe tube for the Vario Plus industrial probe handle, includes cone
$318.00
MRU 65435 Gas detector
Gas detector (%LEL CH4) to monitor air inside analyzer cabinet
$454.00
MRU 63937 RCU NO Sensor
For use with the NOVA Plus and AMPRO 2000, 0 to 1,000 ppm range
$599.00
MRU Vario Luxx EC Sensors
Electrochemical cell technology for gas measurement
$607.00
MRU 63866 Peltier Gas Cooler
Low energy, high efficiency Peltier Gas Cooler with condensate pump
$660.00
MRU 63991 H2S Sensor
For use with NOVA Plus Emission Analyzer, 0 to 500 ppm
$799.00
MRU NO2 Sensor
0 to 200ppm (over range to 1000ppm) for use with the NOVA Plus
$799.00
MRU 65648 CO2 / CxHy Infrared Module
Dual gas NDIR CO2 / CxHy Infrared Module
$1,671.00
MRU Vario Luxx 3-Gas NDIR Bench
Non-dispersive infrared sensor for CO, CO2, and CxHy analysis
$2,225.00
MRU 61557F / 61557S Gas Sampling Probe
Gas sampling probe model HD, for flue gas with flying ash dust
$3,300.00
MRU 61494 Seal Gasket
Seal gasket for mounting flange ANSI150
$11.00
MRU 52556 Seal Gasket
Seal gasket for mounting flange DN65
$12.00
MRU 65758 Micro-SD Card
Micro-SD card including adapter to standard SD card reader
$16.00
MRU 59465 Printer paper rolls
Printer paper rolls (5 rolls)
$16.00
MRU 64962 Cable Set
Cable set for probe HD or HD‐GW
$16.00
MRU 61434 K-type Plug
K-type plug, direct insertion in analyzer socket
$22.00
MRU 56912 Locking Plug
Locking plug for calibration inlet port
$26.00
MRU Steel mash filter
Steel mash filter 35 x 2 mm, CrNi steel
$30.00
MRU 86103 Air Purging Hose
Air purging hose for use with the DM 401, 1m to 15m lengths available
$30.00
MRU Pneumatic Tube Cutting Tool
Pneumatic Tube (12mm) Cutting Tool
$49.00
MRU 65670 Stainless Steel Mounting Fitting
Stainless steel mounting fitting Ø12mm-1/2in male, with PTFE fixing ring
$60.00
MRU 65028 CO Sensor Protection
Separate CO sensor protection by Purafil filter, recommended for use at CHP engines
$81.00
MRU 65130 Sampling Hose
Biogas sampling hose, 5 meters with quick connector
$85.00
MRU 65481 Heat Deflector Shield
Heat deflector shield for high temperature radiation site (Ø6" with Ø0.31" hole for probe tube)
$99.00
MRU Instruments Sintered Metal Filter
Sintered metal filter 20um or 2um, to be inserted in the above gas sample probe handle
$127.00
MRU 63136 AUX Input
AUX input for additional parameters
$133.00
MRU 59798 Stack Pressure Probe
Stack pressure (draft) probe, length 10", with 10' silicone hose
$138.00
MRU 65905 Pressure Reducing Box
Pressure reducing box (for high pressure site biogas sampling, e.g. Before CHP engines)
$146.00
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
$152.00
MRU 61399 Solenoid valve
Solenoid valve (back purge)
$171.00
MRU ABS Transport Case
ABS Transport Case, option for additional space
$175.00
MRU 63994 Resolution Enhancer
0.1ppm resolution for range 0-300ppm measured NO
$192.00
MRU 65647 Resolution Enhancer
0.1ppm resolution for range 0 to 100ppm measured NO
$192.00
MRU AMPRO CO Sensor
Choice of 500 or 40,000 ppm, for use with AMPRO 2000
$192.00
MRU AMPRO NO Sensor
For use with AMPRO 2000, ranges include 0 to 300 and 0 to 1,000 ppm
$192.00
MRU 63993 Resolution Enhancer
Resolution enhancment for the 63993 CO Sensor, 0.1ppm resolution for range 0-500ppm measured CO
$192.00
MRU Vario Luxx Sensor Software
Special software adjustment to lower the range of CO, NO, NO2, or SO2 electrochemical sensors
$199.00
MRU Gas Sampling Tube
Gas sampling tube for insertion in the stack and mounting on probe HD or HD-GW
$215.00
MRU 60073 Combustion Air Temperature Probe
Combustion air temperature probe, tube length 12"
$222.00
MRU 64158 Automatic Measurement
Automatic measurement including data storage on SD Card with user definable determination of average value
$236.00
MRU 62931 ABS Transport Case
ABS Transport case, with large compartment for accessories, recommended for combined sets
$242.00
MRU 63903 Internal Sample Flow Monitoring
Internal Sample Flow Monitoring to check internal filters, pump, hoses
$251.00
MRU 66114 Consumable Parts Set
Consumable parts set for one year operation, set of all filters and required spare parts
$278.00
MRU 63139 Gas flow velocity using PITOT Tubes
Gas flow velocity using PITOT Tubes
$285.00
MRU 63471 Special Cable
30m (90') special cable replacement of standard 10m special cable of models OMS420RT or OMS420HT
$285.00
MRU 63086 Gas Detector
Gas detector, HC, requires AUX input 63136
$293.00
MRU 65730 Gas Flow Velocity
Gas flow velocity using PITOT Tubes, requires Pitot tube
$335.00
MRU 86104 Air Dust Filter
Replacement air dust filter for blower
$343.00
MRU 65179 I/O Module
I/O Module with 4chanel 4-20mA analog output and 2 alarm relays (fail-safe NO contacts)
$348.00
MRU 65713 Mounting Set
Mounting set for probe HD or HD-GW
$348.00
MRU 64198 Automatic Zeroing of Analyzer
Automatic zeroing of analyzer
$406.00
MRU 65718 CO Sensor Protection
CO sensor protection using additional purging pump and CO cut off valve
$418.00
MRU 65430 Analyzer External Control
Analyzer external control via 4x contacts (relays or open collector transistors)
$468.00
MRU 86137 Replacement Filter Elements
Set of replacement filter elements for compressed air kit
$524.00
MRU Cabinet Heater
Cabinet 200W heater, temperature regulated, for freeze protection at low ambient air temperatures from -20°C to +5°C
$542.00
MRU 66030 RS485 to Ethernet converter
RS485 to Ethernet converter
$584.00
MRU 65818 Filtered Condensate Catch Pot
Filtered condensate catch pot with automatic draining, (complete with fittings and canister)
$660.00
MRU 63607M Adapter Flange
For use above DN65 style sampling tubes at sites with 4" ANSI 150lbs flanges
$699.00
MRU 63990 SO2 Sensor
For use with NOVA Plus Emission Analyzer, 0 to 2,000 ppm
$699.00
MRU 65989 NO Electrochemical Cell Measurement
NO electrochemical cell measurement, using long-life electrochemical cell, 0 to 1,000 ppm measuring range
$743.00
MRU 64618 CO2 Infrared Module
Single gas NDIR Infrared Module
$840.00
MRU 66029 RS485 to Profi-Bus converter
RS485 to Profi-Bus converter
$843.00
MRU 65974 NO2 Electrochemical Cell Module
NO2 electrochemical cell measurement, 0 to 200 measuring range, 1,000 ppm overload
$866.00
MRU 65991 SO2 Electrochemical Cell Measurement
SO2 Electrochemical Cell Module, 0 to 1,000 ppm measuring range, 4,000 ppm overload
$869.00
MRU 65757 Electric Gas Cooler
Electric gas cooler (Peltier type)
$871.00
MRU 65968 CO Electrochemical Cell Measurement
CO electrochemical cell measurement, 0 to 4,000 ppm measuring range, 20,000 ppm overload
$876.00
MRU 10479 H2S Sensor
H2S electrochemical cell measurement of 0 to 2,000ppm with up to 4,000ppm short time overload
$894.00
MRU 86105 Calibration Head Assembly
Calibration Head Assembly, for manual zero/span check
$1,095.00
MRU 86132 Compressed Air Kit
Compressed air kit, for air purge using compressed air system
$1,100.00
MRU 65990 CO Electrochemical Cell Measurement
CO Electrochemical Cell Module, including CO sensor cutoff valve and air purging pump for sensor protection
$1,183.00
MRU 62592A / 62592C Gas Sampling Probe
Gas sampling probe model LD, for low dust with on tip sintered metal filter
$1,278.00
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
$1,516.00
MRU PU420 Pneumatic Auto Calibration
For automatic calibration using permanently attached calibration gas cylinder
$1,975.00
MRU 64012 Triple Gas NDIR
Triple gas NDIR, CO / CO2 / CxHy Infrared Module
$2,334.00
MRU 61883 VORTEC Air Cooling
VORTEC air cooling for analyzer cabinet using dry compressed air 0.5 m3/min
$2,455.00
MRU 61558F / 61558S Gas Sampling Probe
Gas sampling probe model HD, for flue gas with flying ash dust
$2,508.00
MRU 61447 CO / CO2 / CxHy Gas NDIR Bench
CO / CO2 / CxHy Gas NDIR Bench
$3,300.00
MRU 86101 / 86102 Air Purging Blower
Single phase 110 / 220 VAC motor, high capacity 40m3/h, for use with the DM 401
$4,379.00
MRU 64537 O2 Analysis
Paramagnetic cell, 0 to 25%
$8,492.00