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HVAC Combustion Analyzers

Industrial Combustion Gas & Emissions Analyzers

Indoor Air Quality (IAQ) Instruments

Refrigerant and Combustible Gas Detecting Instruments

Portable Humidity and Air Flow Instruments

Temperature and Humidity Transmitters

Differential Pressure Manometers

Solar Radiation and Lux Meters

Dry Block Temperature Calibrators

Fluidized Temperature Bath

Programmable Head Mounted Temperature Transmitters

MP88000 Series DIN Rail Mounted Temperature Transmitters

Portable Infrared Thermometers

Fixed Mounted Non-Contact Infrared Thermometers

Temperature and Process Controllers

Temperature and Process Panel Meters

Multifunction Temperature and Process Signal Calibrators

Thermocouple, RTD and Process Signal Calibrators

Multifunction Temperature and Process Calibrators

MS Series Handheld Infrared Thermometers

OPTLS Portable Non-Contact Infrared Thermometers

THERMCAL 130/400 Series Dry Block Calibrators

MP82000 Temperature Transmitter Accessories

Industrial DMM's and Tachometer Meters

Digital Thermocouple and RTD Thermometers

BTU Series Consumable Parts & Accessories

ZC and PC Series Solid-State Contactors

Thermocouple Type K Handheld Sensors

Relative Humdity and Dew Point Meters

Hot Wire And Vane Thermo-Anemometers

P20 Series Documenting Industrial Infrared Thermometers

TPI 700 Series Consumables and Accessories

Selecting & Using Temperature Transmitters

Temperature Calibration Using Dry Block Calibrators

About Fluidized Temperature Baths

K Series Air Flow Cones for LV and VT Series Thermo-Anemometer

AMI-310 Multi-Function Meter Probes and Modules

Why Energy Auditors Need to Measure Carbon Dixoide

Martel Electronic Instruments

Products:

16C TEMPERATURE CONTROLLER TYPE B TC INPUT AND 20VDC OUTPUT

16C 1/16 DIN 8 Level Ramp and Soak, Thermocouple, RTD and Process Temperature Input Controller

16P Autotune Controller with Process Signal Input

16T 1/16 DIN PID Autotune Controller with Thermocouple Or RTD Temperature Input

Industrial 183A True RMS Digital Multimeter

25 Series 1/4 DIN Auto Tuning PID Controller with Thermocouple, RTD or Process Signal Input

TPI 296 True RMS AC/DC 700 Amp Clamp Meter

TPI 556C1 Digital Air Velocity / Air Flow Meter

TPI 575C1 Combination Vane and Hot Wire Anemometer

TPI 597C1 Digital Hygrometer/Psychrometer

TPI 720B Hand Held Combustible Gas Leak Detector

TPI 721 Combustible Gas Leak Detector with Bargraph LCD Display

TPI 750A Hand Held Refrigerant Leak Detector

TPI 753A Hand Held Refrigerant Leak Detector

TPI 775 Carbon Monoxide and Combustible Gas Leak Detector

7899 Industrial Hand Held Combustible Gas Leak Detector

PSC-CM Series water Cooling Jacket for temperature up to 315°C

NiCad Battery Pack For TPI 700 Series Combustion Analyzers

PC Software and RS232C Cable for 183A Digital Multimeter

A739 Replacement Combustible Gas Sensor for TPI 720B

A740 - Infrared Printer for TPI-700 Series Flue Gas Analyzer

A746 - 2 Rolls Replacement Paper for the A740 IR Printer

A747 - AC Adapter for A740 IR Printer for TPI 700 Series Combustion Analyzers

A748 - Hot Air Probe Assembly for TPI 700 Series Combustion Analyzers

A760 - Carbon Monoxide (CO) Sensor for all TPI 700 Series Combustion Analyzers

A761 - Oxygen (O2) Sensor for all TPI 700 Series Combustion Analyzers

A767 - IrDA Infrared PC Communication Adapter for TPI 700 Series Flue Gas Analayzer

A770 - Flue Probe with Temperature for TPI 700 Series Combustion Analyzers

A770-20 - 20 foot flue probe with temperature for TPI 700 Combustion Analyzers

A772 Communication Software for TPI 712 Flue Gas Analayzer

A793 - Nitric Oxide (NO) Sensor for TPI 714/715 Series Combustion Analyzers

A807 - Software and USB Cable for TPI 716 Series Combustion Analyzers

A808 - Bluetooth Module for TPI 716 Series Combustion Analyzers

AAA32-240 - Field Replaceable, NOT Calibrated O2 Sensor, CO2 Calculated for 1500/4500 Series Analyze

AACAL04 - AQ Charger and Line Cord for Rechargelable battery (7899 only)

AACCR01 - Hard ABS Carrying Case for BTU/E 1500 and 4500 Series Combustion Analyzers

AACCT01 - Vinyl carrying case with shoulder strap for BTU/E 1500/4500 Series

AACEX01 - 10 ft (3m) Dual Hose Extension (Gas, Draft, Temperature) for BTU Series Combustion Analyze

AACFA01 - Pack of 5 Replacement Filter Cartridge (for water trap) for BTU Series Analyzers

AACKP01 - Differential Pressure Kit (2 hoses) for BTU/E Series Combustion Analyzer

AACNI01 - Replacement Printer Ribbon for BTU-1100 and BTU-4400 Combustion Analyzer's

AACPB0 - Rechargeable Battery Pack (Internal) for BTU-1100 and BTU-4400 Combustion Analyzers

AACPB07 - Replacement BTU 900 Series Internal Li-Ion Rechargeable Battery Pack

AACRC01 - Replacement Printer paper roll for BTU-1100, and BTU-4400 Combustion Analyzer's.

AACSE10 - BTU/E 1500 and 4500 Series Field Replaceable, NO/NOx Gas Sensor (pre-calibrated w/ board)

AACSE12 - BTU/E-1500 and 4500 Series CO Gas Sensor (pre-calibrated w/ board) (0-8000 ppm) H2 comp, N

AACSE13 - E/BTU 4500-S Field Replaceable, Pre-Calibrated SO2 Sensor (0-4000 ppm)

AACSE14 - Field Replaceable, Pre-Calibrated NO2 Sensor (0-4000 ppm) for E/BTU-4500 Analyzer

AACTA03 - Water Trap Assembly with Filter Cartridge, BTU Series Combustion Analyzers

AMI 310 Complete Multifunction Indoor Air Quality Meter Up to 6 Measurements Simultaneously

AQ COMFORT-2 Indoor Air Quality Monitor Kit with CO2 Range 0 to 5000 ppm and Ambient Temperature

AQ COMFORT-3 Indoor Air Quality Meter with CO2 Range 0 to 5000 ppm, %RH, Temperature and Pressure

AQ COMFORT-4 Indoor Air Quality Meter Kit with CO2 0 to 5000 ppm and CO 0 to 200 ppm Ranges

AQ PRO Indoor Air Quality Meter Customize with UP TO 3 Gas Sensor Parameters

AQ VOC Environmental Indoor Air Quality Meter Kit With 0 to 20ppm VOC Sensor

AQ 110S Indoor Air Quality Meter with Carbon Dioxide and Ambient Temperature Measurements

AQ COMFORT-1 Indoor Air Quality Monitoring Kit with CO2 Range 0 to 5000 ppm

AQ Expert Indoor Air Quality Monitor Customize UP to 7 Gases

ThermCal 400 Portable Dry Block Temperature Calibrator 120Vac

ThermCal 400 Portable Dry Block Temperature Calibrator 240Vac

ThermCal 130 Low Temperature Dry Block Calibrator

AQ Expert IAQ Meter 12" Pitot Tube (Gas Velocity)

BTU-1500-1 Combustion Flue Gas Analyzer for Boiler and Furnace Maintenance with O2, CO and CO2

BTU-1500-OIL Combustion Flue Gas Analyzer with O2, CO and CO2 Sensors and Smoke Oil Kit

CA150 Multifunction Temperature and Process Calibrator

CA310 Voltage and Current Calibrator

CA320 Thermocouple Calibrator

CA330 RTD Temperature Calibrator

CA450 Digital Process Multimeter

CA71 Multifunction Temperature and Process Calibrator

CT-110S Tachometer with Optical Probe and Contact Tip

E4500-2 Two Gas Combustion Analyzer Measure Oxygen, Carbon Monoxide, Carbon Dioxide

E4500-3 Three Gas Combustion Analyzer Measure Oxygen, Carbon Monoxide, Carbon Dioxide, Nitric Oxide

E4500-C Four Gas HVAC Combustion Analyzer Measure CxHy Hydrocarbons, O2, CO, CO2, NO and NOx

E4500-N Four Gas HVAC Combustion Analyzer Measure NO2, O2, CO, CO2, NO and NOx

E4500-S Four Gas HVAC Combustion Analyzer Measure SO2, O2, CO, CO2

AQ Expert IAQ Meter Protective Carrying Case

AQ Pro Series and AQ Expert IAQ Meter 12 in. Probe 10' Dual Hose

F7828000 - Smoke Pump Kit including Pump, Paper Filters & Chart for BTU-1500 and E/BTU-4500 Combusti

SFC-300 - 8 mm (0.55") Hotwire Probe Air Velocity, Air Flow and Temperature For AMI 310 Meter

SFC-900 - Telescopic Hot Wire Probe, Measure Air Velocity Air Flow and Temperature For AMI 310 Meter

FTBSL6 Fluidized Temperature Bath

HD-110S Relative Humidity, Dew Point and Ambient Temperature Thermo-Hygrometer

SH-100 - 100mm (4") Vane Air Velocity, Air Flow and Temperature Probe for AMI 310 Meter

SH-14 - 14mm (0.55") Vane Probe Measure Air Velocity, Air Flow and Temperature For AMI 310 Meter

SH-70 - 70 mm (2.75") Vane Air Velocity, Air Flow and Temperature Probe For AMI 310 Meter

SHT-14 - 14mm (0.55") Telescopic Vane Probe Air Velocity, Air Flow and Temperature For AMI 310 Meter

HM50 Portable Pin Style Contact Moisture Meter

SHR-110 ABS Humidity, Dew Point and Temperature Probe for AMI 310 Multifunction Meter

SHR-300 Stainless Steel Humidity, Dew Point and Temperature Probe for AMI 310 Multifunction Meter

HXG-2D Sensit® Combustible Gas Leak Detector

HXG-2DR Sensit® Combustible Gas Leak Detector with Rechargable Batteries

HXG-3 UL 913 Intrinsic Safe Combustible Gas Leak Detector

USB Interface MP82000/MP88000 Series Transmitters Configuration Kit

New LV-117S Portable 2.75" (70mm) Diameter Vane Thermo-Anemometer Displays Velocity and Temperature

New LV-110S 4" (100mm) Diameter Vane Probe Thermo-Anemometer Displays Velocity and Temperature

LV-130S 4" (100mm) Diameter Fixed Vane Thermo-Anemometer Displays Velocity and Temperature

MPR-10000 Pressure/Temperature Module -40 to +40 inH2O (-10,000 to +10,000 Pa) with 1 T/C J/K/T/N/S

MPR-2000-M Pressure/Temperature Module -800 to +800 inH2O (-2000 to +2000 mBar) with 1 T/C K/J/T/N/S

MPR-2500 Rear Pressure Module Range -10 to +10 inH2O and 1 Thermocouple K/J/T/N/S Input

MPR-500 Rear Pressure Module -2 to +2 inH2O (-500 to +500 Pa) with 1 Thermocouple K/J/T/N/S Input

MPR-500-M Rear Pressure/Temperature Module -200 to +200 inH2O (-500 to +500 mBar)

Head Mounted Display for MP82000 Series Transmitters

MP82710-H HART Programmable 2-Wire 4 to 20mA Temperature Transmitter

MP82710 Programmable Thermocouple, RTD 2-Wire 4 to 20mA Temperature Transmitter

MP82830-R Programmable RTD Input 2-Wire 4 to 20mA Temperature Transmitter

MP82810 Programmable Thermocouple and RTD Linearized 2-wire 4 to 20mA Temperature Transmitter

MP82830-T Programmable Thermocouple Input 2-Wire 4 to 20mA Temperature Transmitter

MP88710H HART® Protocol DIN Rail Mounted 2-wire 4 to 20mA Temperature Transmitter

MP88710 Programmable DIN Rail Mounted 2-Wire 4 to 20mA Temperature Transmitter

MP88810 Linearized DIN Rail Mounted Programmable Transmitter

Mp95800 1/8 DIN Microprocessor Based Digital Panel Indicator

N1500 1/8 DIN Programmable Temperature and Process Panel Meter

N1540 1/8 DIN Programmable Temperature Process Panel Meter with USB Communication Port

OTC25-L 1/4 DIN FM Approved Limit Controller with Type J Thermocouple Input with Single Output

OTC25-N 1/4 DIN On/Off Controller with Type J Thermocouple Input with Single Output

OTC25-P 1/4 DIN PID Controller with Type J or Type K Thermocouple Input with Single Output

PC-24-15-S, 120 - 240 Vac, 15 Amp Load, with 3.6" Heat Sink, Phased Angle Switched SSR

PC-24-25-S, 120 - 240 Vac, 25 Amp Load, 3.6" Heat Sink, Phased Angle Switched SSR with Soft Start

PC-24-15-S, 120 - 240 Vac, 35 Amp Load, with 5.5" Heat Sink, Phased Angle Switched SSR

OPTCSMA-LT Series Micro Sensor Fixed Mounted Infrared Thermometers mA Output

OPTCSMV LT/LTH Series Micro Sensor Fixed Mounted Infrared Thermometer with Voltage Output

PSC-90 Infrared Thermometers RS-232C Interface Cable

PSC-90 Infrared Thermometers Close-up lens (focus 4" (100mm) to 5.1" (130mm)

PSC-90 Infrared Thermometers Close-up lens: Focus 5.1" (130mm) to 7" (180mm)

PSC-90 Infrared Thermometer Close-up lens: Focus 7" (180mm) to 11.4" (290mm)

PSC-90 Infrared Thermometer Close-up lens: Focus 10" (250mm)to 21"(540mm)

PSC-VXH2+ - PSC-90 IR Thermometers Data Logging Software

PSC-90-96 High Performance Portable Documenting Infrared Thermometer

OPTCS-TCLT15 Compact Industrial Fixed Mounted Infrared Thermometer with 0 to 5V or 0 to 10V Output

MS Handheld Infrared Non Contact Thermometer

MS-PLUS Handheld Infrared Non Contact Thermometer

MS-PRO Handheld Infrared Non Contact Thermometer

P20-1M Portable Documenting Infrared Thermometer

P20-2M Portable Documenting Infrared Thermometer

P20-LT Portable Documenting Infrared Thermometer

2-wire 4 to 20mA HVAC RTD Transmitter with Built-In Pt1000 RTD

Relative Humidity Calibration Kit. 0%RH and 75%RH reusable capsules

RHT-DM Duct Mounted Humidity and Temperature Transmitter

RHT-WM Wall Mounted Temperature and Humidity Transmitter

SMT-900 Multi-function Air Velocity Temperature Hygrometry probe For AMI 310 Meter

SCOH-112 Carbon Dioxide, Temperature and Humidity Probe for AMI 310 Multifunction Meter

SCO-110 Carbon Monoxide and Temperature Probe for AMI 310 Multifunction Meter

SL-100 Solarimeter Solar Radiation Meter with Datalogging Capability of 3 Days

SL-200 Solarimeter Solar Radiation Meter with 30 Day Datalogging Capability

TPI 1008A Indoor Air Quality Meter Measure CO and Ambient Temperature

TPI 1010A Multifunction Indoor Air Quality Measure CO2, CO, RH and % Outside Air

TPI 623 Dual Input High Resolution Digital Manometer

TPI 665 Differential Pressure Manometer

TPI 665L Differential Pressure Manometer Can Be Used In Non-Corrosive Liquid Applications

TPI 716A740 Combustion Analyzer for Boiler Maintenance with A740 Infrared Printer

TPI 717 Combustion Flue Gas Analyzer with Field Replaceable O2 and CO Sensors

TPI 505 Combination Contact/Non-Contact Tachometer

TPI 505L Combination Contact/Non-Contact Tachometer

TPI 510 Hand Held Solar Irradiance Meter

TPI 621 Dual Input Differential Manometer

TPI 716NA740 Combustion Flue Gas Analyzer With Nitric Oxide and IR Printer

TPI 716N Combustion Boiler Flue Gas Analyzer With Nitric Oxide Measurement

TPI 716 Combustion Analyzer for Flue Gas Boiler Maintenance and Efficiency

TX10-01 Single Channel Digital Thermocouple Thermometer

TX10-02 Single Channel Digital Thermocouple Thermometer with Memory Function

TX10-03 Dual Channel Digital Thermocouple Thermometer with Data Storage

TxBlock-USB Linearized Head Mounted Programmable Temperature Transmitter

TxConfig USB Interface

TxIsoPack-USB Head Mounted Programmable Temperature Transmitter

New VT-110S Portable Hot-Wire Thermo-Anemometer

ZC-24-15, 120-240 Vac, 15 Amp Load, with 3.6" Heat Sink, Zero Voltage Switched SSR

ZC-24-25, 120-240 Vac, 25 Amp Load, with 3.6" Heat Sink, Zero Voltage Switched SSR

ZC-24-35, 120-240 Vac, 35 Amp Load, with 5.5" Heat Sink, Zero Voltage Switched SSR

ZC-48-10, 277-480 Vac, 10 Amp Load, with 3.6" Heat Sink, Zero Voltage Switched SSR

ZC-48-10, 277-480 Vac, 12 Amp Load, with 5.5" Heat Sink, Zero Voltage Switched SSR

N1020 1/32 DIN Auto Tune Programmable Temperature Controller

N1040 1/16 DIN Auto Tune Programmable Temperature Controller

N1030 1/16 DIN Auto Tune Programmable Temperature Controller

F900 Portable Industrial Exhaust Gas Analyzer

Wireless Bluetooth Printer for BTU and E Series Combustion Analyzers

NON-FADING Thermal Printer Paper E/BTU 1500 and 4500 (PACK of 5 Paper Rolls)

BTU/E Series Combustion Analyzer Replacement 12"(300mm) probe (gas & draft) w/10'(3m) dual hose, 147

Optris CX Two-Wire 4 to 20mA Output Non-Contact Industrial Infrared Sensor

E500-Lite Residential Economical Flue Gas Combustion Analyzer

E500 Basic Residential Flue Gas Combustion Analyzer Regular Price $999.00 Now $949.05

AACSE11 Pre-calibrated O2 (0-25%) Sensor for E/BTU 1500/4500 Series Combustion Analyzers

RHT Climate Wall Mounted Temperature and Humdity Transmitter

RHT Climate Duct Mounted Temperature and Humdity Transmitter

New E500-3 with NO/NOx Residential Flue Gas Combustion Analyzer

DC710 Flue Gas Combustion Analyzer

DF110 Refrigerant Gas Leak Detector

New SI-CA 120 All-In-One Combustion Gas Analyzer

New VT-115S Hot-Wire Thermo-Anemometer with 90° Bend Telescopic Probe

New LV-111S 0.55" (14mm) Diameter Vane Probe Thermo-Anemometer Displays Velocity and Temperature

K25 Air Flow Cone for VT and LV Series 4" Vane Probes

K85 Air Flow Cone for VT and LV Series 4" Vane Probes

K35 Air Flow Cone for VT Series Hot Wire Thermo-anemometer Probes

K75 Air Flow Cone for VT Series Hot Wire Thermo-anemometer Probes

K150 Air Flow Cone for VT Series Hot Wire Thermo-anemometer Probes

K120 Air Flow Cone for VT Series Hot Wire Thermo-Anemometer Probes

New CO-110S Carbon Monoxide and Temperature Meter

New CO-50 Carbon Monoxide and Temperature Meter with Intergral Probe

LX-100 Hand Held Lux Meter Measure Illuminance in Foot Candles or LUX

LX-200 Hand Held Lux Meter Measure Illuminance in Foot Candles or LUX with Datalogging

SCO-112 Carbon Dioxide and Temperature Probe for AMI 310 Multifunction Meter

SHT-70 - 70 mm (2.75") Telescopic Vane Air Velocity, Air Flow and Temperature Probe For AMI310 Meter

SHT-100 - 100mm (4") Telescopic Vane Air Velocity, Air Flow and Temperature Probe for AMI 310 Meter

SFC-900-GN Telescopic Gooseneck Shape Hot Wire Probe For AMI 310 Multifunction Meter

M4TC 4-Channel Thermocouple Input Module Accepts Thermocouple Types K, J, T, S, N

MCC Climatic Conditions Module Measure Humidity %RH, Temperature, and Atmospheric Pressure

SFG-300 Gas Leak Detection Probe for AMI 310 Multifunction Meter

SLU Light Measuring Probe 0 to 150,000 Lux for AMI 310 Multifunction Meter

TPI 709 Combustion Efficiency Analyzer with High Resolution Differential Manometer

TPI 709A740 Combustion Efficiency Analyzer with IR Printer and Differential Manometer

E6000-5DS Five Gas Industrial Combustion Gas Emissions Analyzer Measure O2, CO, NO/NOx, NO2 and SO2

E6000-5DC Five Gas Industrial Combustion Emissions Analyzer Measure O2, CO, NO/NOx, NO2 and CxHy

E6000-5SC Five Gas Industrial Combustion & Emissions Analyzer Measure O2, CO, NO/NOx, SO2 and CxHy

E6000-5SH Five Gas Industrial Combustion & Emissions Analyzer Measure O2, CO, NO/NOx, SO2 and H2S

E6000-6DSC Six Gas Industrial Combustion Gas Emissions Analyzer Measure O2, CO, NO/NOx, NO2, SO2,

E6000-6DSH Six Gas Industrial Combustion Gas & Emissions Analyzer Measure O2, CO, NO/NOx, NO2, SO2,