Lutron

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FEATURES * This Digital Dissolved Oxygen Meter is supplied with a polarographic type probe with an incorporated Temp. sensor which serves for precise Dissolved Oxygen ( DO ) and Temp. measurement. * Applications for Aquarium, Medical research, Agriculture, Fish hatcheries, Laboratory, Water conditioning, Mining industry, Schools & Colleges, Quality control... * Heavy duty dissolved oxygen probe, probe head size can connect with BOD bottle * All in one Pen type Dissolved Oxygen Meter, easy operation. * Automatic Temp. compensation from 0 to 50 ℃ for sensor. * Microprocessor circuit assures high accuracy and provides special functions and features. * Multi-display, show Dissolved oxygen and temperature at the same time. * Build in temperature ℃,℉ measurement. * Temperature unit can default to ℃ or ℉. * LCD with two display, easy readout. * Auto power off to save the battery life. * IP-67 Water resistance. * Records Maximum and Minimum readings with recall. * Data hold function for freezing the desired value. * Use the durable, long-lasting components, including a heavy duty & compact ABS-plastic housing case.

FEATURES * Pocket size, offering accurate, reliable performance. * 100 pF to 11,111 uF, wide range and high resolution ( 100 pF per step ), practical and versatile tools. * With five decades of capacitance. * Slide switches that allow the user to simply add or subtract for desired value. * Terminals with multi way binding posts, one to switch shield case. * ABS plastic housing case, rugged components. * Applications : Troubleshooting, maintenance Education & Vocational training Production line testing Radio and TV services Working standards Research design & develop Physics laboratory work

FEATURES * Deluxe function generator combined with a 5 digit, high resolution 60 MHz counter. * 4-in-1 instrument : Function Generator Pulse Generator Sweep Generator Frequency Counter. * 6 waves forms for function generator. * Function generator range : 0.5 Hz to 3 MHz.

FEATURES * 13 mm dia heavy duty mini vane with telescope probe available for high temp. air velocity measurement. * Air flow : CMM (m^3/min.) and CFM (ft^3/min.) * Air velocity : m/s, ft/min, km/h, knots. * Air temperature : ℃, ℉. * 3 air flow mode : Instant, 2/3 Vmax, Average. * Low-friction ball vane wheels is accurate in both high & low velocities. * Large LCD with dual display. * Record max. and min. reading value. * Data hold. * Microcomputer circuit. * Thermistor sensor for temp. measurement, fast response time. * RS 232 PC serial interface. * Separate probe, easy for operation of the different measurement environment.

FEATURES * Fast humidity measuring response time. * Auto shut off saves battery life. * High accuracy and high precision. * Data hold function for freezing the desired value on display. * Dew point measurement. * Manual and auto manual data logger. * Show the humidity & temperature values on the LCD display at same time. * Data logger function with flexible sampling time selection, can save max. 1000 reading data with recall. * RS232 computer interface. * Built-in low battery indicator. Wide humidity & temp. measuring range. * Just few panel buttons, easy operation. * Microprocessor circuit assures maximum possible ccuracy, provides special functions and features. * Separate humidity & temp. probe, easy operation and remote measurement.