Laureate™ Process, Strain & Potentiometer Follower Meter

Digital panel meter / controllers with scalable readout & control outputs for process, strain, pressure, level, flow, 4-20 mA signals & more.
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DC-Meter
Key Features
  • 0.2, 2, 20, 200 and 300V ranges
  • 2, 20, 200 mA and 5A ranges
  • All ranges factory calibrated
  • 4-1/2 to 5 digit resolution
  • Scalable via front panel pushbuttons or computer for display in engineering units.
  • Span adjust from 0 to ±99,999
DC Voltage Range Resolution Input Resistance Error at 25°C
±2 counts
±200.00 mV
±2.000 V
±20.000 V
±200.00 V
±600.0 V *
±300.0 V		 10 µV
100 µV
1 mV
10 mV
100 mV
100 mV
 1 GΩ
1 GΩ
10 MΩ
10 MΩ
10 MΩ
10 MΩ
 0.01% FS
0.01% FS
0.01% FS
0.01% FS
0.02% FS
0.02% FS
 
DC Current
DC Current Range Resolution Input Reesistance Error at 25°C
±2 counts
±2.0000 mA
±20.000 mA
±200.00 mA
±5.000 A
 0.1 µA
1.0 µA
10 µA
1.0 mA
 100Ω
10Ω
1Ω
0.01Ω
 0.01% FS
0.01% FS
0.01% FS
0.04% FS
DC Voltage & Current
Display
Readout
Range
Indicators		 5 LED digits, 7-segment, 14.2 mm (.56"), red or green
-99999 to 99999 or -99990 to 99990 (count by 10)
Minus sign, 2 red LED lamps
A-to-D Conversion
Technique
A-to-D Rate
Output Update
Display Update		 Concurrent Slope™ (Pat 5,262,780)
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
Accuracy
Error at 25°C
Span Tempco
Zero Tempco		 0.01% FS ± 2 counts (except 5A range)
0.003% of reading/°C
0.1 count/°C
Noise Rejection
CMR, DC to 60 Hz
NMR at 50/60 Hz		 130 dB
90 dB with min filtering
Maximum Signal
Max applied voltage
Current protection		 600 Vac for 20, 200 & 600 V ranges, 125 Vac other ranges
25x for 2 mA, 8x for 20 mA, 2.5x for 200 mA, 1x for 5 A
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
Excitation Output (standard)
5 Vdc
10 Vdc
24 Vdc
Output Isolation		 5 Vdc ± 5%, 100 mA
10 Vdc ± 5%, 120 mA
24 Vdc ± 5%, 50 mA
50 Vdc to meter ground
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 Temp.
Storage Temp.
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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