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Features:

Built-in non-contact IR thermometer with laser
8:1 distance to target ratio
0.95 fixed emissivity
True RMS AC measurements
Relative function
Type K thermometer, Capacitance, Frequency, and Duty Cycle
Low current capability - measure down to 0.1uA
Audible and visual input alerts
Easy to read 1 inch digits on backlit display
Max Hold for AC/DC Voltage and Current measurements and Relative function for establishing a base line for reference
Complete with CAT III test leads, multi-position tilt stand and velcro strip for hanging, protective holster with test lead holder, bead wire temperature probe (-58 to 482 Deg. F/-50 to 250 Deg. C) and 9V battery

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Features:

Built-in non-contact IR thermometer with laser
8:1 distance to target ratio
0.95 fixed emissivity
Low current capability - measure down to 0.1uA
Audible and visual input alerts
Easy to read 1 inch digits on backlit display
Max Hold for AC/DC Voltage and Current measurements and Relative function for establishing a base line for reference
Complete with CAT III test leads, multi-position tilt stand and velcro strip for hanging, protective holster with test lead holder, bead wire temperature probe (-58 to 482 Deg. F/-50 to 250 Deg. C) and 9V battery

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Economical True RMS Multimeter With 11 Functions

True RMS AC measurements
Relative function
Type K thermometer, Capacitance, Frequency, and Duty Cycle
Low current capability - measure down to 0.1uA
Audible and visual input alerts
Easy to read 1 inch digits on backlit display
Max Hold for AC/DC Voltage and Current measurements and Relative function for establishing a base line for reference
Complete with CAT III test leads, multi-position tilt stand and velcro strip for hanging, protective holster with test lead holder, bead wire temperature probe (-58 to 482 Deg. F/-50 to 250 Deg. C) and 9V battery

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MultiMeter/Datalogger (up to 9,999 readings) with Wireless PC interface (915MHz)

Features:
True RMS measurements for accurate AC Voltage and Current measurements
AC/DC Voltage & Current, Resistance, Capacitance, Frequency (electrical/electronic), Temperature, Duty Cycle, Diode/Continuity
Double molded for waterproof (IP67) protection, CAT IV-600V safety rating for industrial applications
Data Acquisition Mode for real time data transmission directly to your PC
1000V input protection on all functions
Dual sensitivity frequency functions
Large triple LCD display
Complete with double molded test leads, magnetic hanging strap, Type K probe, remote receiver with USB cable, PC software, carrying case, and 9V battery

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From filter testing to IAQ monitoring the 1020 single channel particle counter is used to determine airborne particle concentrations.
Small Size. Big Performance. The handheld TPI 1020 is a portable particle counter that counts particles down to 0.3 microns-giving you portability and reliability at the lowest price in the industry.
Completely Self-Contained-Selectable Particle Sizes.
Fast Sampling. Unlike other counters that can take up to a minute to deliver results, the TPI 1020 starts delivering volumetric concentration results in about 3 seconds!
Simple Operation. Only two front-panel buttons control the size channels and sample cycle. Power is controlled by the Start / Stop button.
Battery or AC Powered.

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Indoor Air Quality Meter/Datalogger

Measures CO2 , Temperature, Humidity, Dew Point, and Wet Bulb
Checks for Carbon Dioxide (CO2) concentrations
Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor
Measurement range: CO2: 0 to 6,000ppm Temperature: -4 to 140°F (-20 to 60°C)
Humidity: 10 to 95%RH
Continuous (20,000 sets) or Manual (99 sets) datalogging
Complete with (6) AAA batteries, RS-232 cable, and Windows? 95/98/NT/2000/ME/XP compatible software

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Superior Quality, High Sensitivity and Low Price
GAS-Mate uses leading-edge technology to detect hydrocarbons and other gases with twice the sensitivity of competing models. Perfect for checking leaks in residential and commercial combustion appliances, such as natural gas- or propane-fired heating systems, or gas pipelines.

Features:

Propane, butane, cyclopentane, ethane, ethanol, isobutane, and ammonia.
Adjustable sensitivity helps pinpoint leaks fast.
Variable audio alarm and flashing LED indicate leak strength.

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Faster response measurements to 1000ppm
Easy to read 1999 count backlit displays CO levels from 0 to 1000ppm
1ppm resolution with ±5% or ±10ppm basic accuracy (whichever is greater)
Utilizes a stabilized electrochemical gas specific (CO) fast response sensor
Audible alarm starts at 35ppm
Backlight for low light conditions

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Quickly Identifies and Pinpoints gas leaks

16" (406mm) gooseneck for easy access into hard to reach locations
Visible and audible alarm at 10%
Locate the smallest leaks

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with Digital Clamp
IR Printer
Digital Manometer
Two 1/4" Brass T Fitting
Two static tips
6' Pressure Tubing

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Calculates CO2 and gross or net efficiency
Works on High Efficiency furnace
Select between 4 fuels (Natural Gas, LPG, Light Oil, Heavy Oil)
Pump driven for fast response
Dual input differential manometer with 3 selectable units of measure: kPa, mBar, inH2O
Flue probe with built-in thermocouple
IR printer port - use optional A740 Infrared Printer
Soft carrying case
Protective rubber boot

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No furnace installation or service work should be performed without doing a gas leak test and a Carbon Monoxide (CO) Test. Combustion Efficiency Analyzer Three Tools in One! The 708 is an affordable combustion efficiency analyzer, CO analyzer, and a differential thermometer for residential and light industrial applications.

Measures CO, O2 and temperature
Calculates CO2, efficiency, excess air and CO air free
Selectable fuels: natural gas, light oil, heavy oil and LPG
Pump driven for fast response
Flue probe with built-in thermocouple
IR printer port - use optional A740 Infrared Printer
Soft carrying case
Protective rubber boot

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The 707 tests flue gases at home or office spaces for the presence and location of carbon monoxide leaks. This instrument fits comfortably in your hand and operates with just the push of a button.

Pump driven
Pump flow block indicator
1 ppm sensitivity
Measures from 0 to 9,999 ppm
Auto zero
Backlit display
Easy field calibration, low cost CO sensor

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The A771 is a CO adapter designed to work with your DMM to measure ambient air CO. Can also be used as a personal CO alarm.

Built-in Alarm is preset to 30ppm. Setting can be set by user.
Use with any DMM with minimum 2 1/2 digit LCD, 2 or 4 Volt DC range and 10M Ohm or greater input impedance.
Detect CO levels from 0-1999 ppm, with resolution as low as 0.1 ppm and ñ5% of reading accuracy.
Soft pouch included.

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Clamp-on Multimeter with Built-In Non-Contact InfraRed Thermometer

Non-contact InfraRed Temperature measurements with laser pointer
Peak hold captures inrush currents and Transients
MultiMeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Diode, and Continuity

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Features

Non-contact InfraRed Temperature measurements with laser pointer
True RMS Current and Voltage measurements
Peak hold captures inrush currents and Transients
MultiMeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Diode, and Continuity

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High Resolution Mini Clamp With Voltage, Frequency, And Resistance

High resolution to 10mA AC/DC
Voltage, Resistance, and Frequency
Fast 40 segment bargraph
One touch Auto Zero for DC Current measurements
Min/Max
Data hold and Auto power off

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Features:

True RMS measurements for accurate AC Voltage and Current measurements
Dual type K thermocouple input with Differential Temperature function (T1, T2, T1-T2)
Built-in non-contact IR Thermometer with laser pointer for locating hot spots (up to 518°F/270°C)
Built-in non-contact Voltage detector with LED alert
DC µA multimeter function for HVAC flame rod Current measurements
Data Hold plus fast Peak Hold of current surges during motor startup
40,000 count multimeter functions for DC Voltage, Resistance, Capacitance, and Frequency for high resolution over wider ranges
Measures motor capacitors to 40,000µF
1.25" (32mm) jaw opening for conductors up to 500MCM