valutazioni - 2, GPA: 3.5
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AC conversions are ac-coupled, average responding, and calibrated to the RMS value of a sine wave input. Accuracy specifications are given as: ±([% of reading] + [number of least significant digits]) Maximum Voltage Between Rated voltage any Terminal and Earth Ground Display Digital: 3,200 counts, updates 2.5/sec Analog: 31 segments, updates 25/sec Response Time of Digital V ac < 2 s Display V dc < 1 s W < 1s to 320 kW, < 2s to 3.2 MW, < 10 s to 32 MW Operating Temperature 0°C to 50°C Storage Temperature -40°C to 60°C Temperature Coefficient 0.1 x (specified accuracy)/°C (<18°C or >28°C) Electromagnetic Compatibility Total accuracy = Specified accuracy In RF field of 3 V/m on all + 0.1% of range. functions. Relative Humidity except 32 MW range 0% to 90% (0°C to 35°C) 0% to 70% (35°C to 50°C) 32 MW range only 0% to 80% (0°C to 35°C) 0% to 70% (35°C to 50°C) Altitude Operating: 2000 meters Storage: 12,000 meters Battery Type 9 V NEDA 1604 or 6F22 or 006P, or NEDA 1604A or 6LR61 Battery Life 2000 hrs typical with alkaline 1600 hrs typical with carbon zinc Continuity Beeper 4096 Hz Shock, Vibration per MIL-T-PRF 28800F Class III, Sinusoidal, Non Operating Size (Hx W x L) 3.7 cm x 8.9 -7.8 cm x19 cm (1.5 inx 3.5 - 3.1 in x 7.49 in) Weight 365 g (12.9 oz) Safety Models 21/75 Series III: 600 V CAT III, Models 23/77 Series III: 600 V CAT III and 1000 V CAT II per ANSI/ISA S82.01-1994, EN 61010-1: 1993, CSA C22.2 No 1010.1-92, UL 3111-1. EMC Regulations EN 61326-1 1997. Certifications/Listings Function Range Accuracy . 3.200 V, 32.00 V, 320.0 V 600 V (21/75), 1000 V (23/77) ±(0.3%+1) ±(0.4%+1) m. 320.0 mV ±(0.3%+1) K (45 to 500 Hz, 3.2 V range. Other ranges 45 to 1 kHz) 3.200 V, 32.00 V, 320.0 V 600 V (21/75), 1000 V (23/77) ±(2%+2) ±(2%+2) . 21/75: 23/77: 320.0 W 3200 W, 32.00 kW, 320.0 kW 3.200 MW 32.00 MW 320.0 W 3200 W, 32.00 kW, 320.0 kW 3.200 MW 32.00 MW ±(0.5%+2) ±(0.5%+1) ±(0.5%+1) ±(2%+1) ±(0.5%+3) ±(0.5%+1) ±(0.5%+1) ±(2%+1) . . 2.0 V ±(1% typical) Function Range Accuracy Burden Voltage (typical) ? (45 Hz to 1 kHz) 32.00 mA, 320.0 mA 10.00 A * ±(2.5%+2) ±(2.5%+2) 6 mV/mA 50 mV/A . 32.00 mA, 320.0 mA 10.00 A * ±(1.5%+2) ±(1.5%+2) 6 mV/mA 50 mV/A * 10 A continuous, 20 A for 30 seconds maximum. Overload protection for all functions and ranges: Rated voltage. Function Input Impedance (Nominal) L, mL, . >10 MW, <50 pF Common Mode Rejection Ratio (1 kW Unbalanced) Normal Mode Rejection L, m. >120 dB at dc, 50 Hz, or 60 Hz >60 dB at 50 Hz or 60 Hz . >60 dB dc to 60 Hz Open Circuit Test Voltage Full Scale Voltage To 3.2 MW 32 MW . <3.1 V dc <2.8 V dc (typical) <440 mV dc <420 mV dc (typical) <1.4 V dc <1.3 V dc (typical) Open Circuit Test Voltage Full Scale Voltage . . <3.1 V dc 2.0 V dc Short Circuit Current (typical) . . . 21/75: 400 mA 500 mA 23/77: 300 mA 400 mA . VF Current (typical) 0.0 V 0.6 V 1.2 V 2.0 V 21/75: 0.5 mA 0.4 mA 0.3 mA 0.1 mA 23/77: 0.4 mA 0.3 mA 0.2 mA 0.1 mA ...
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