1. 臺灣標準電機SEW儀器儀表--ST-3501 Digital Multimeters


                
             
            ST-3501   Multimeters
            Digital Multimeters  
            ST-3501
            FEATURES
             
             Display: 3-1/2 digit liquid crystal display (LCD) with max. reading of 1999.
             Polarity: Automatic, (-) negative polarity indicatin.
             Zero Adjustment: Automatic.
             Over Range Indicatin L Highest digit of (1) or (-1) is displayed.
             Low Battery Indication: The (BAT) is displayed when the battery voltage drops below the operating voltage.
             Measurement Rate: 3 measurements per second, nominal.
             Operating Temperature: 0 degree C to +/- 50 degree C, 0-70% RH.
             Storage Temperature: -20 degree C to +60 degree C, 0-80% RH, with battery rmoved.
             Accuracy: Accuracy specifications at 23 +/- 5 degrcc C, less than 75% RH.
             Power: Single, 006P 9 volt battery.
             Dimensions: 128(L) x 72(W) x 33(D) mm.
             Weight: Approx. 200g.