CALL: A.WIHARTA 081294124885 085778084789 087784022201 Karya Mandiri Instrument indonesia adalah supplier peralatan laboratorium baik eletronik maupun mekanik, serta berbagai macam instrument measurement, dengan didukung dari berbagai macam merk dari negara negara Eropa, US, dan beberapa negara di Asia seperti Korea, Japan dan Taiwan. Instrument yang kami sediakan seperti : Anemometer, Analitical Balance, Spectrophotometer, pHmeter, Laser survey, Micropipette, Peristaltic Pump, Flame photometer, Water bath heating cooling, Colorimeter, Water Strirer, Viscometer. Freezers, Refractometer, Polarimeter, Sound Level meter, Tachometer. Dll Kami juga menerima jasa service dan kalibrasi untuk peralatan laboratorium sesuai kemampuan kami.   The Extech 407780 sound level datalogger features Leq and SEL measurements, a built-in data logger, and PC interface. The Extech 407780 sound level datalogger has high accuracy, ± 1.5dB, that meets Type 2 standards ( ANSI S1.4-1983, IEC 60651, EN 60651) . Other features of the Extech 407780 sound level datalogger include a programmable integrating time, real time calendar / clock, and linearity over a wide range ( 100dB) . The Extech 407780 sound level datalogger comes complete with RS-232 cable, 9 to 25 pin gender changer, Windows ® 95/ 98/ NT/ 2000/ ME/ XP compatible software, microphone wind cover, 4 AA batteries, and convenient carrying case. 4 Digit multifunction LCD with analog bargraph Precise linearity over wide range ( 100dB) Display modes: SPL, SEL, MAX-L/ MIN-L, and Leq Programmable integrating time A and C Frequency weighting Impulse/ Fast/ Slow response settings Datalogging function records up to 32, 000 records Real time calendar/ clock Built-in RS-232 interface with included Windows® datalogging software Tripod mount Meets IEC 651/ 804 Type 2 and ANSI S1.4 Type 2 specifications Applications: Perform Leq and SEL measurements OSHA compliance Testing Noise Ordinance Machine Noise Evaluation Data Storage for pertinent records