|
Laureate™ DC Voltage & Current Digital Panel Meters
High accuracy, high read rate, control outputs
Key Features
- ±0.2, ±2, ±20, ±200, ±300V & ±600V DC voltage ranges
- ±2, ±20, ±200 mA and ±5A DC current ranges
- All ranges factory calibrated
- 99.99% full scale accuracy
- 4-1/2 digit resolution to ±19,999 for readout in mV, V, mA or A
- 1 Gohm input impedance on 200 mV and 2 V scales
| DC Voltage Range |
Resolution |
Input Resistance |
Error at 25°C ± 2 cts |
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 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ |
0.01% FS
0.01% FS
0.01% FS
0.01% FS
0.02% FS
0.02% FS |
| |
| * Range does not include U/L certification. |
DC Current
| DC Current Range |
Resolution |
Input Resistance |
Error at 25°C ± 2 cts |
2.0000 mA
20.000 mA
200.00 mA
5.000 A |
0.1 µA
1.0 µA
10 µA
1.0 mA |
100 Ω
10 Ω
1 Ω
0.01 Ω |
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 and 300 V ranges, 125 Vac for 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 (< 60Ω 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 |
|
