The DP2000/DP9000 AC AVG voltmeter and ammeter
use a precision op-amp rectifier circuit to provide an
economical AC-average meter, which is calibrated to
display the true-RMS value of sinusoidal signals.
The AC RMS voltmeter and ammeter use an integrated
circuit that computes the true-root-mean-square value
of complex waveforms.
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 both DC and AC components.
The signal conditioner provides six current ranges, as
determined by an internal shunt resistor. In addition,
there is a special 5 A range, which allows direct
connection to a current transformer (CT) with 5 A
secondary, without need for a stepdown transformer.
Proper scaling can be for any primary current.
An 1/8 DIN case houses each meter. Choose any
combination of display type (LED or LCD), operating
power, input type and range, analog output, and digital
or control outputs.
SPECIFICATIONS Conversion Technique: Auto-zero, dual slope, average value Signal Integration Period: 100 ms, nominal Reading Rate: 2.5/s, nominal Display LED: Red, 14.2 mm (0.56"), 7-segment LCD: 12.7 mm (0.50"), 7-segment Power AC Models: 120, 240 or 24 Vac 10%/ -15%; 49 to 440 Hz DC Models: 5 Vdc ±5%, 9 to 32 Vdc or 26 to 56 Vdc isolated to 300 Vp Common Mode Voltage: 1500 Vp test (354 Vp per IEC spacing) Rejection (DC to 60 Hz): 120 dB Environmental Operating Temperature: 0 to 60°C (32 to 140°F) Storage Temperature: -40 to 85°C (-40 to 185°F) Humidity: 95% RH, non-condensing @ 40°C (104°F) Accuracy @ 25°C (AC) Maximum Error: ±0.1 of rdg ± 10 counts Span Tempco: ±0.01% of reading/°C (AC) Step Response: 1 s to 99.9% of span Frequency Range for Rated Accuracy: 147 to 1000 Hz Warmup to Rated Accuracy: Less than 10 min (DP2), or 30 min (DP9) Accuracy @ 25°C (RMS) (1% to 100% of Full Scale) Maximum Error, AC Coupling: ±0.1% of reading, ±1 ct (DP2), ±10 cts (DP9), 47 Hz to 5 kHz Maximum Error, DC Coupling: ±0.1% of reading, ±1 ct (DP2), ±10 cts (DP9), 9 Hz to 5 kH Span Tempco: ±0.03% of reading/°C (typical) Zero Tempco: 0.15 mV/°C (typical) Step Response: 1 sec to 99.9% of span Warmup to Rated Accuracy: Less than 10 min (DP2), or 30 min (DP9) Mechanical Bezel: 96 W x 48 H x 8 mm D (3.78 x 1.89 x 0.31") Depth Behind Bezel: 139.8 mm (5.50") Panel Cutout: 92 W x 45 mm H (3.62 x 1.77") Weight: 17 oz (480 g) Case Material: 94V-0 UL-rated polycarbonate
注: Comes complete with operator’s manual.
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