EXTECH Manuals

This is a combination contact/photo tachometer from Extech, model 461895. The combination tachometer is a patented design that provides contact and non-contact RPM measurements. In addition, linear surface speeds can be measured in ft/min or m/min.

This document is a user's guide for Extech's Digital Tachometer, providing information on the measurement range, features, and specifications of the product.

This document describes the features and characteristics of the Extech Instruments Corporation's model 461891 contact tachometer, including a large LCD display, built-in memory, autoranging, contact rpm measurements from 0.5 to 19,999rpm, linear surface speed measurements, and accessory wheels.

This manual introduces the use of the Extech 461893 Digital Photo Tachometer. This instrument can be used to measure the speed of DC or AC motors.

This product is a non-contact tachometer with a measuring range of 5 to 99999rpm and a measuring distance of 2 to 6 inches.

This Tachometer provides contact RPM and Linear Surface Speed measurements, non-contact RPM measurements and IR temperature measurements.

The document describes the R1 Photo/Contact Tachometer from Extech Instruments Corporation, which includes a non-contact IR Thermometer. It can measure the remote surface temperature on motors and rotating parts and provides wide RPM and Linear Surface Speed measurements. The instrument has a large LCD display, memory function, and comes with necessary accessories and a carrying case.

The Extech WTH100 Radio Controlled Wireless Weather Station is a fully tested and calibrated device that will provide years of reliable service with proper use. It features an FM receiver, so you can listen to weather forecasts. The wireless weather station also has indoor and outdoor temperature and humidity sensors. You can monitor this information on the display screen. The device also displays the current time and date.

The document describes the specifications and features of a product called WTH100, which is a radio controlled wireless clock with a weather station. It features a large backlit LCD display that shows time, temperature, barometric pressure, weather symbols, and moon phase. The barometric pressure can be displayed in either millibars/hectopascals or inches of mercury. It automatically adjusts for daylight savings time and can display the day of the week in English, German, French, Italian, or Spanish. The time accuracy is ±1 second per day. It also functions as an alarm clock with a snooze function. The product comes with a built-in stand and two AAA batteries. It receives time code from NIST radio station WWVB and automatically adjusts the time, date, and daylight savings time.

The BT100 Battery Capacity Tester is designed for measuring the internal resistance and output voltage of batteries including lead storage cell, nickel-cadmium battery, lithium-ion battery and nickel-metal hydride battery. It adopts AC four-terminal method to eliminate lead resistances and contact resistances, yielding the most accurate results. It has a 1kHz test current with up to 10µΩ resistance resolution and dual display to simultaneously indicate the internal resistance and voltage of the battery. The tester also features a comparator function with storage of up to 99 sets of resistance and voltage values for battery deterioration characterization. It comes with pin type and alligator type 4-terminal Kelvin leads for quick and accurate resistance measurements. The memory capacity can store up to 999 manually stored data points or up to 9600 points stored using interval datalogging. It is equipped with an RS232 PC port and Windows compatible software.

Extech BT100 Battery Capacity Tester can measure the battery capacity, voltage, resistance and save the test results in the data logger. It also can download the test results to computer via USB cable.

This document is the user guide for Extech DT300 Laser Distance Finder, introducing the features and usage methods of this instrument

Extech DT300 Laser Distance Meter is a distance meter with a measurement range of 2 inches to 164 feet (0.05 to 50 meters). It uses the Pythagorean theorem for indirect measurement and features a continuous measurement function with Min/Max distance tracking updates every 0.5 seconds. The meter also calculates area and volume and has front or rear edge reference, a low battery indicator, a double molded housing (IP54), auto power off, and 2 AAA batteries.

The Extech 380400 Resistance Decade Box is a multi-function resistance testing device that offers 7 decades of resistance ranges from 1 to 11MΩ (in 1Ω steps). Slide switches allow easy addition and subtraction of resistance values. Binding posts (3) offer simple and secure connections. Careful use of this decade box will provide years of reliable service.