Extech Instruments Corp.

Psychrometer suits plant maintenance applications.
Test & Measurement

Psychrometer suits plant maintenance applications.

Designed for HVACR, mold prevention, and plant maintenance applications, Model RH350 SuperHeat Psychrometer simultaneously displays 3 parameters on backlit LCD: relative humidity with ambient air temperature, plus dew point or wet bulb or external temperature. Built-in memory stores up to 99 data points. Minimum, maximum, and average readings, with date and time, can be recalled on LCD, while...

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Temperature/Humidity Data Logger has programmer with printer.
Test & Measurement

Temperature/Humidity Data Logger has programmer with printer.

With operating range of -40 to 185°F, Model 42275 stores up to 16,000 measurements and is offered with self-standing, battery-operated programmer/printer Model 42276. Logged data can be downloaded, printed, or graphed, and programming is performed through 5-button control panel with LCD display. Unit, packaged in ABS plastic case, includes 42270 Datalogger with 3.6 V lithium battery,...

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Clamp Meter fits in tight locations.
Test & Measurement

Clamp Meter fits in tight locations.

Model 200 measures ac current to 400 A, ac/dc voltage to 600 V, and resistance to 20 Mohm, with measurements displayed on 3Â-½ digit LCD. Unit offers high resolution for current measurements, continuity, and diode tests. It includes max hold, data hold, auto power off, and overrange and low battery indicators. Jaw size of 0.9 in. accommodates conductors up to 300 mcm.

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Digital Stopwatch displays temperature and humidity.
Timers & Clocks

Digital Stopwatch displays temperature and humidity.

In addition to measuring temperature and relative humidity, Model HW30 calculates and displays heat index and allows user to set heat index alarm. Unit provides stopwatch timing to 1/100th of a second. It includes Fastest/Slowest/Average lap recall, 99-lap counter with 30 lap/split memory, 10 hr countdown timer with audible beeper warning for last 5 sec, and programmable alarm. Clock displays in...

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Light Meter stores up to 50 measurements.
Test & Measurement

Light Meter stores up to 50 measurements.

Equipped with LCD display, EasyView(TM) Model EA33 measures light levels from 999,900 Lux with 0.01 Lux resolution. Measurements can be stored and recalled with relative or real-time clock stamp. Able to perform luminous intensity calculations, unit offers the following functions: ripple, auto power off with disable, multiple point average, timed hold, relative in absolute value or percent...

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Handheld pH Meter offers choice of stick or cabled electrode.
Test & Measurement

Handheld pH Meter offers choice of stick or cabled electrode.

Model PH220 Waterproof Palm pH Meter features large LCD, which simultaneously displays pH and temperature or mV and temperature. It includes automatic buffer recognition, automatic temperature compensation, low-battery indicator, and auto power off. Meter can be mounted via magnetic back or eyelet on top. Protective rubber holster, stick or cable pH electrode, pH 4 and pH 7 buffers, and 9 V...

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Flammable Gas Leak Detector offers one button operation.
Sensors, Monitors & Transducers

Flammable Gas Leak Detector offers one button operation.

Able to detect combustible gases with concentrations down to 50 ppm, Model C052 incorporates backlit display that switches on in low-light areas. Unit displays flammable gas levels at 100, 1,000, and 10,000 ppm, and audible indicator increases pitch tone as concentration of gases goes up. Meter provides auto zero on start up, 5 sec response time, battery status display, and dimensions of 1.5 x 10...

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Oscilloscope/Multimeter includes RS-232 interface.
Test & Measurement

Oscilloscope/Multimeter includes RS-232 interface.

MultiScope(TM) Model 381285 combines handheld Graphical Storage Oscilloscope with True RMS Multimeter. Graphical mode display with EL backlighting allows observation of actual voltage waveforms. Multimeter 4,000 count dual display includes analog bargraph. DC to 5 MHz oscilloscope offers sample rate of 25 million samples/sec. MultiScope includes frequency counter, adjustable 5 V square wave...

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Mini Tachometers measure rpm and surface speed.
Test & Measurement

Mini Tachometers measure rpm and surface speed.

Tachometers are pocket size with protective finger guard. Readings are displayed on LCD and HOLD button freezes displayed readings. Photo tachometer Model 461700 measures 10-99,000 rpm with 0.1% accuracy and 0.001 resolution. Measurement distance ranges up to 6 in. Contact tachometer Model 461750 measures 10-20,000 rpm with 0.1% basic accuracy and 0.001 resolution. It also measures linear surface...

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