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.   Function Range Resolution Measuring range Accuracy Earth resistance Re ( Rg at Á measurement) 2© 0.001© 0.03~ 2.099© | ± 2% rdg± 0.03© 20© 0.01© 0.03~ 20.99© | ± 2% rdg± 5dgt ( * 1) 200© 0.1© 0.3~ 209.9© 2000© 1© 3~ 2099© 20k© 10© 0.03~ 20.99k© 200k© 100© 3~ 209.9k© Auxiliary earth resistance Rh, Rs 8% of Re+ Rh+ Rs Earth resistivity Á 2© 0.1© • m~ 1© • m Autoranging 0.2~ 395.6© • m Á = 2× À × a× Rg ( * 2) 20© 0.2~ 3956© • m 200© 20~ 39.56k© • m 2000© 0.2~ 395.6k© • m 20k© 2.0~ 1999k© • m 200k© Series interference voltage Ust ( A.C only) ( * 3) 50V 0.1V 0~ 50.9Vrms | ± 2% rdg± 2dgt ( 50/ 60Hz) | ± 3% rdg± 2dgt ( 40~ 500Hz) Frequency Fst Autoranging 0.1Hz 1Hz 40Hz~ 500Hz | ± 1% rdg± 2dgt Measuring method Earth resistance: Fall-of-potential method ( currents and voltages measured via the Probes) Measurement method of Earth Resistivity ( Á ) : Wenner 4-pole method Series interference voltage ( earth voltage) : RMS Rectifier ( between the E-S Terminals) Memory capacity 800 data Communication Interface Model 8212-USB Optical Adaptor LCD Dot-matrix 192× 64 monochrome Over-range Indication " OL" Overload Protection between E-S( P) and between E-H( C) terminals AC280V / 10 sec. Withstand voltage between the electrical circuit and enclosure AC3540V( 50/ 60Hz) / 5 sec. Applicable standards IEC 61010-1 CAT.III 300V, CAT.IV 150V Pollution degree 2 IEC 61010-031, IEC 61557-1, 5, IEC 61326-1 ( EMC) , IEC 60529 ( IP54) Power source DC12V : sizeAA manganese dry battery ( R6P) × 8 ( Auto power off: approx. 5 minutes) Dimensions 167( L) × 185( W) × 89( D) mm Weight approx. 900g ( including batteries) Accessories 7229A ( Earth precision measurement) , 7238A ( Simplified measurement test leads) , 8032 ( Auxiliary earth spikes [ 2 spiks/ set] ) × 2 sets ( 4 spikes in total) , 8200-04 ( Cord reel [ 4 pcs] ) × 1 set, 8212-USB ( USB adaptor with " KEW Report( Software) " ) , 9121 ( Shoulder strap) , 9125 ( Carrying case) , R6P× 8, Instruction manual, Calibration certificate Optional 8212-RS232C ( RS232C adaptor with " KEW Report( Software) " )