Models 2003B and 2004 are high-accuracy AC voltmeters or true-RMS voltmeters. Exceptional noise rejection is provided by a conversion circuit with a crystal oscillator, which is set for either 50 or 50 Hz rejection. Both models are available for voltage or current input and allow special scaling for the output of a 5 A current transformer (CT). A screw-terminal barrier strip for power and signal is standard. All AVG models use a precision op-amp rectifier circuit to provide an economical, high-resolution AC voltmeter, which is calibrated to display the true-RMS value of sinusoidal signals. All RMS models use an integrated circuit that computes the true-root-mean-square value of complex input signals. Screw terminals are provided for AC or DC coupling. AC coupling allows the measurement of the AC component or ripple from a signal with both AC and DC components. DC coupling allows the measurement of true-RMS, including AC and DC components, from DC to over 30 kHz. Maximum crest factor (Vp/Vrms) is 3:1). BCD Output Standard Non-isolated parallel BCD output is a standard feature and is implemented on the main circuit board. Additional data and control outputs can be provided by an optional upper board. Options The meter main assembly can be electrically configured for four voltage or five current input ranges. Upper-board options include four BCD output boards. Mechanical options include connectors and splash-proof lens cover which meets NEMA-4 standards. LA1 (Ultra-Low) 2004 Load-Cell Conditioner Upper Board LP1 (Ultra-Low) 2004 Load-Cell Peak-Hold Upper Board OPTION F3A Non-Isolated Parallel BCD Upper Board, Three-State with 1-Bit Enable OPTION F3P Peak/Valley Detector Upper Board with BCD Output OPTION F4A Isolated Parallel BCD Upper Board, Three-State with 1-Bit Enable OPTION F4M Isolated, Parallel BCD Upper Board Three-State with 4-Bit Address OPTION 05 - 204B Analog-Output Upper Board OPTION 06 - 204B/2004 Digital-Setpoint Upper Board OPTION SPC4 1/8 DIN NEMA-4 Splash-Proof Lens Cover SPECIFICATIONS ACCURACY FOR AVG at 25°C Maximum error, 35 Hz to 2 kHz: ±0.1% of reading ±20 counts Maximum error, 20 Hz to 5 kHz: ±0.3% of reading ±20 counts Span tempco: ±0.015% of reading/°C Step response: 1 s Warmup to rated accuracy: 1 hour ACCURACY FOR RMS at 25°C (1% to 100% of full-scale) Maximum error, AC coupling 35 Hz to 5 kHz: ±0.1% of reading ±10 counts 25 Hz to 10 kHz: ±0.2% of reading ±20 counts 23 Hz to 15 kHz: ±0.25% of reading ±30 counts 20 Hz to 20 kHz: ±0.5% of reading ±50 counts 20 Hz to 30 kHz: ±1.0% of reading ±50 counts Maximum error, DC coupling DC error: ±0.1% of reading ±10 counts AC error: Same as for AC coupling Span tempco: ±0.02% of reading/°C Step response: 1 s Warmup to rated accuracy: 1 hour Maximum crest factor at full scale (Vp/Vrms): 3:1 POWER AC voltages: 115 Vac ±10% at 60 Hz; 230 Vac ±10% at 50 Hz Power consumption: 4.5 W (nominal) ENVIRONMENTAL Operating temperature: 0 to 50°C (32 to 140°F) Storage temperature: -40 to +75°C (-40 to 184°F) Relative humidity: 95% at 40°C (104°F) (non-condensing) MECHANICAL Dimensions: Newport (1/8 DIN) case Weight: 17 oz (480 g) Case material: 94V-0 UL-rated polycarbonate |
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2003B
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