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The Laureate™ True RMS meter
offers a high accuracy 4 1/2 digit display for five voltage
ranges and four current ranges. It is suited for AC
applications where there is considerable distortion of
current waveforms from nonlinear loading. The input is AC
coupled to read only the AC component, such as ripple on a
power supply.
The True RMS meter uses
precision circuitry to compute the root-mean-square of
complex waveforms from 10 Hz to 10 kHz. Spikes up to 2.4
times the maximum of each range are accurately measured.
This provides a crest factor (Vp / Vrms) of 240 for a signal
amplitude of 1% of full scale, decreasing to 2.4 at 100% of
full scale.
PLEASE SEE TECHNICAL INFORMATION - PDF FOR COMPLETE
INFORMATION |
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Features |
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0.2,
2, 20, 200 & 660 V ranges
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2,
20, 200 mA & 5 A ranges
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4 1/2
digit resolution
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99.9%
accuracy of full scale
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AC
coupled input
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Crest
factor of 2.4 at full scale
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Priced competitively with less capable averaging AC
meters
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Scalable for direct readout of external current shunts
or current transformers
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Peak
value display
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85-264 Vac and 90-370 Vdc power standard
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Green
or red display
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Choice of isolated plug-in options for control
and computer interface:
dual relays,
4-20 mA & 0-10 V analog output,
RS-232/485 I/O,
parallel BCD output,
low voltage AC & DC power.
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NEMA 4X, 1/8 DIN case.
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Certified to UL
3101-1, CAN/CSA-C22.2, EN 61010-1 (CE Mark).
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Specifications |
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AC
Voltage |
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AC Voltage Range |
Resolution |
Input
Ohms |
Type Error
at 25°C |
200.00 mV
2.000 V
20.000 V
200.00 V
660.0 V |
10 µV
100 µV
1 mV
10 mV
100 mV |
22 M
22 M
1 M
1 M
1 M |
0.1% FS
± count,
10 Hz to 10 kHz |
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AC
Current |
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AC Voltage Range |
Resolution |
Input
Ohms |
Type Error
at 25°C |
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2.0000 mA
20.000 mA
200.00 mA
5.000 A |
0.1 µA
1.0 µA
10 µA
1.0 mA |
100
10
1
0.01 |
0.1% FS
± count,
10 Hz to 10 kHz |
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AC
Voltage & Current |
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Display |
Readout
Color
Range
Indicators |
5 digits, 7-segment, 14.2 mm (.56")
Red or green LED
-99999 to +99999 or -99990 to +99990 (count
by 10 with
rounding)
2 red LED lamps |
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Accuracy |
Span Tempco
Zero
Tempco
Crest Factor |
0.005% of reading/°C
0.1
counts/°C
2.4x at 100% of full scale |
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Response Time |
RMS to DC
A-to-D rate
Output Update
Display Update |
1 s conversion settling time
60/s at
60 Hz, 50/s at 50 Hz
56/s at 60 Hz, 47/s at 50 Hz
3.5/s at 60 Hz, 3/s at 50 Hz |
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Maximum Signal |
Max applied
voltage
Overcurrent
protection |
660 Vac for 20, 200 and 600 V ranges, 125
Vac for other ranges
25x for 2
mA, 8x for 20 mA, 2.5x for 200 mA, 1x for 5
A |
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Power |
Voltage, std.
Voltage, opt.
Frequency
Power isolation |
85-264 Vac and 90-370 Vdc
8-28 Vac
and 9-37 Vdc
DC or 49-440 Hz
Safety-rated to 250 Vac, meter ground to
earth ground, DC to 60 Hz, 4.2 kVp per High
Voltage Test |
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Excitation Output |
5 Vdc
10 Vdc
24 Vdc
Output isolation |
5 Vdc ±5%, 100 mA max
10 Vdc ±5%, 120 mA max
24 Vdc ±5%, 50 mA max
50 Vdc to meter ground |
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Connector Pin Assignments |
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Environmental |
Operating Temperature
Storage Temperature
Relative Humidity
Protection |
0°C to 55°C
-40°C to 85°C
95% at 40°C, non-condensing
NEMA-4X (IP-65) when panel mounted |
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