World’s patent, Multi-functions, one instrument TACH. ( RPM, m/min., ft/min. ).Wide measuring range from 0.5 to 100,000 RPM.0.1 RPM resolution for the measured value < 1000 RPM.The last value, max., value, min. value will be stored into the memoryN automatically & can be obtained by pressing Memory Call But…

Range : -30 ℃ to 305 ℃Mini pocket type0.95 emissivity valueLED target light, safety0.5 degree display resolution℃, ℉ internal selectAutomatic display holdDC 9V battery ( 006P )

Large LCD display, easy to read.Frequency weighting networks are designed to meet the IEC 61672 CLASS 2. Warning indicator for over and under load.A & C weighting networks are conformity to standards.Time weighting(FAST & SLOW) dynamic characteristic modes.AC/DC output for system expansionBuild in adj…

5 ranges : 40.00/400.0/4,000/40,000/400,000 Lux, wide measuring range.High resolution : 0.01 Lux to 100 Lux, 0.01 Ft-cd to 10 Ft-cdSensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E. photopic.Sensor cosine correction factor meet standard.Separate Light Sensor allows user to me…

Earth Resistance and Earth Voltage measurement.3 ranges for earth resistance measurement 19.99 ohm, 199.9 ohm, 1.999 K ohm.0 to 199.9 V for earth voltage measurement.18 mm, large size LCD display.Data hold.Built-in over input indication.Durable & portable housing plastic case with the front protective cover.Co…

High sensitivity for the VHF & UHF frequency measurement, useful for the CB amateur.Handheld & pocket size instrument. Wide measuring range up to 2.6 GHz. Good resolution, 0.1 Hz min. display unit for 10 MHz range.Used the exclusive Microprocessor IC offered the intelligent function: Frequency, Period, Mul…