Laureate™ True RMS Voltage & Current Meter
with 1 Cycle Update at 50/60 Hz

200 mV - 600 V and 2 mA - 5 A full-scale ranges
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AC-Meter
Key Features
  • True AC RMS measurement with crest factor of 3.0 at FS
  • Fast response: reading 0-16.7 ms after completion of each
  • input signal cycle.
  • Measurement range from 0.1% to 100% of full scale
  • Accurate to 0.1% of full scale, 10 Hz to 10 kHz
  • Reads AC only or AC plus DC
AC Voltage (0.1% to 100% of full scale range)
AC Voltage FS Range AC Voltage to Overrange Flash Resolution Input Resistance Error at 25°C
200.00 mV
2.0000 V
20.000 V
200.00 V
264.00 mV
2.640 V
26.400 V
264.00 V
10 µV
100 µV
1 mV
10 mV
1 MΩ
1 MΩ
1 MΩ
1 MΩ
± 0.1% of FS, 0-100% of FS, 10 Hz to 10 kHz (AC coupling) or DC to 10 kHz (DC coupling)
600.0 V *650 V 100 mV 1 MΩ ± 2V
AC Current (0.1% to 100% of full scale range)
AC Current FS Range AC Current to OverrangeFlash Resolution Input Resistance Error at 25°C ± 2 cts
2.0000 mA
20.000 mA
200.00 mA
2.6400 mA
26.400 mA
264.00 mA
0.1 µA
1.0 µA
10 µA
100 Ω
10 Ω
1 Ω
± 0.1% of FS, 0-100% of FS, 10 Hz to 10 kHz (AC coupling) or DC to 10 kHz (DC coupling)
5.000 A 5.4 A 1 mA 0.01 Ω ± 20 mA
* The 600V range is UL certified to 264V. For purposes of accuracy calculation, the 600V range is 2000V (20,000 counts), and the 5A range is 20A (20,000 counts).
Both AC Voltage & Current
Display
Readout
Range
Display Update Rate
Indicators
Crest factor Vp / Vrms
5 LED digits, 7-segment, 14.2 mm (.56"), red or green
-99999 to 99999 or -99990 to 99990 (count by 10)
3.75/s at 60 Hz power, 3.1/s at 50 Hz power
1 LED lamp per relay setpoint
3.00 at full scale range,
2.27 at 132% of FS range (display flashes),
1.414 at 212% of FS range (maximum sinusoidal signal)
Output Update Rate
A-to-D rate
Signals > 50/60 Hz
Signals 3 to 50/60 Hz
Signals DC to 3 Hz
60/s at 60 Hz power, 50/s at 50 Hz power
60/s at 60 Hz power, 50/s at 50 Hz power
Signal frequency
3 per second
Maximum Signal
Max applied voltage
Current protection
600 Vac for 2, 20, 200, 600V ranges, 50 Vac for 0.2V range
25x for 2 mA, 8x for 20 mA, 2.5x for 200 mA, 1x for 5A
Power
Voltage, standard
Voltage, optional
Frequency
Power Isolation
85-264 Vac or 90-300 Vdc (DC operation not UL approved)
12-32 Vac or 10-48 Vdc
DC or 47-63 Hz
250V rms working, 2.3 kV rms per 1 min test
Analog Output (optional)
Output Levels
Current compliance
Voltage compliance
Scaling
Resolution
Isolation
4-20 mA, 0-20 mA, 0-10V, -10 to +10V (jumper selectable)
2 mA at 10V ( > 5 kΩ load)
12V at 20 mA ( < 600Ω load)
Zero and full scale adjustable from -99999 to +99999
16 bits (0.0015% of full scale)
250V rms working, 2.3 kV rms per 1 min test
Relay Outputs (optional)
Relay Types

Current Ratings

Output common
Isolation
2 Form C contact relays or 4 Form A contact relays (NO)
2 or 4 Form A, AC/DC solid state relays (NO)
8A at 250 Vac or 24 Vdc for contact relays
130 mA at 140 Vac or 180 Vdc for solid state relays
Isolated commons for dual relays or each pair of quad relays
250V rms working, 2.3 kV rms per 1 min test
Serial Data I/O (optional)
Board Selections

Protocols
Data Rates
Digital Addresses
Isolation
Ethernet, Ethernet-to-RS485 server, USB, USB-to-RS485 server, RS485 (dual RJ11), RS485 Modbus (dual RJ45), RS232.
Modbus RTU, Modbus ASCII, Laurel ASCII protocol
300 to 19200 baud
247 (Modbus), 31 (Laurel ASCII),
250V rms working, 2.3 kV rms per 1 min test
Signal Connections
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Protection
0°C to 60°C
-40°C to 85°C
95% at 40°C, non-condensing
NEMA-4X (IP-65) when panel mounted
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