top page >> Products >> Luminance meter/Light volume meter >> Miniature lamps lumen meter LM-2      Miniature lamps lumen meter  LM-2    * This meter carries out the total flux of light measurement of a miniature lamp, and measures the luminous flux of lamps in an integrating sphere (Φ 600mm).Consists of the sensor unit, the measurement unit, and a power supply for measurement lamps. Communicates with PC by RS-232C. * Sensor unit Silicon photo sensor (relative luminous efficiency correction) * Measuring main unit The voltage is gradually raised, and a regulated voltage is output. The luminous flux value and a current value can be judged to a standard value. Sensor unit Specifications Relative luminous efficiecy correction coefficient MAX 5% Temperature characteristic MAX 0.1[%]/ºC Measurement main unit Specifications Measurement voltage 4.00[V]-28.00[V] Voltage accuracy MAX +/-1% Electric current measurement 0.0-400.0[mA](L)/0-2.000[A](H) Change: Changes by measurement standard L<=300[mA]<H Electric current measurement accuracy below +/-1[%] The luminous flux measuerment 0-25.00[lm](L)/0-400.0[lm](H) Change: Changes by measurement standard L<=20[lm]<H The luminous flux measurement accuracy below +/-3[%],25[ºC]+/-5[ºC] Lamp standard value setting 001-200(200 kinds) Judgement -Clearance<Standard<+Clearance(Electric current,luminous fiux) Measurement mode Selectable NOR, STD, ADJ NOR: Normal measurement STD : Confirmation of a standard electric bulb ADJ : Adjustment of a standard electric bulb Manual measurement Measurement voltage,a luminaus flux measurement range, and a measurement current range can be set up and measured. Interface RS-232C Power supply voltage AC100[V],50/60[Hz]