Laurel Electronics Laureate Digital Panel Meter for Load Cell & Microvolt Input - Manual (Page 2)

LAUREL ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Specifications
DC Microvolt Input
Input Range, mV Resolution Input Resistance Error at 25°C
±20.000
±50.000
±100.00
±250.00
±500.00 1 µV
1 µV
10 µV
10 µV
10 µV 1 GΩ
0.01% FS
± 2 counts
Load Cell Input
Full-Scale Input, mV Zero Adjust Span Adjust Input Resistance Error at 25°C
±20.000
±50.000
±100.00
±250.00
±500.00
-99,999
to
+99,999
0 to
±99,999
1 GΩ
0.01% FS
± 2 counts
DC Microvolts & Load Cell
Accuracy
Error at 25°C
Span tempco
Zero tempco
Load cell linearization 0.01% FS ± 2 counts
0.0015% of reading/°C
0.1 µV/°C
Provided by Extended meter version
Noise Rejection
CMR, DC to 60 Hz
NMR at 50/60 Hz 130 dB
90 dB with min filtering
A-to-D Conversion
Technique
A-to-D rate
Output update rate
Display update rate 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
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
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)
Selectable levels
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 kOhm load)
12V at 20 mA ( < 600 Ohm 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
120 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