Four Separate Devices Provide Wide Range of Measurements, Durable Capabilities

Extech Instruments, a major supplier of test and measurement equipment for the industrial marketplace, announces the availability of its Heavy Duty Series of instruments, a new line of extremely durable products specially designed to meet the needs of the HVACR industry. Featuring double-molding housing and super large back-lit displays, all meters contain PC Interfaces with USB connection. This rugged series is comprised of four separate devices: the HD700/HD750, HD500, HD300 and HD200, most with optional IR Thermometer capabilities that are ideal for unsafe or hard to reach areas.

Offering 11 selectable units of measure, the HD700 and HD750 Differential Pressure Manometers can serve as a low range/high resolution Gauge or can provide Differential Pressure from 0 to 55.40inH2O (inches of water). Max/Min recording and Relative time stamp are useful features, as are the Data Hold and Auto Power Off functions. The HD700 2psi and HD750 5psi range devices also features Zero function for offset correction or measurement. Built-in USB interface includes Windows® compatible software with cable.

The HD500 Psychrometer with IR Thermometer is a 3-in-1 combination meter with the functions of a Humidity Meter, Type K Thermometer, and InfraRed Thermometer. The device provides highest 2% RH accuracy, while the built-in IR Thermometer allows for non-contact temperature measurement to 932°F (500°C) with 30:1 distance to target ratio, for unsafe or inaccessible areas. The built-in Type K Thermometer provides contact temperature measurements to 2501°F (1372°C).

Based on patented technology, the HD300 CFM/CMM Thermo-Anemometer with IR Thermometer provides simultaneous display of Air Flow in CFM/CMM or Air Velocity plus Ambient Temperature. Housed in a protective, hard carrying case, it can measure remote surface temperatures to 932°F (500°C) with 30:1 distance-to-spot ratio and laser pointer. Easy-to-set area dimensions are stored in the meter's internal memory for the next power on.

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The HD200, a Differential Thermometer Datalogger and IR Thermometer, allows users to take differential temperature readings with dual Type K thermocouple probes, as well as

non-contact surface temperature measurements using an optional IR Thermometer Probe. The HD200 datalogs up to 18,000 readings on each channel and features a differential T1-T2 display for HVAC Superheat measurements. The device comes in a heavy-duty, double-molded housing and offers selectable units of °F and °C. The optional IR probe features 8:1 distance-to-spot ratio and laser pointer (Model HD200-IR).

About Extech Instruments

Headquartered in Waltham, Massachusetts, Extech Instruments is one of the largest suppliers of test and measurement equipment worldwide and is the brand of choice trusted by professionals. Founded in 1971, Extech is known for its depth and breadth of products and its innovation in providing instruments with unique combinations of features that make them highly useful and very convenient. All Extech meters are distributed worldwide through leading representatives, distributors and OEMs. The company is ISO 9001 2000 certified.