LAUREL LTE Series - Page 46

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Load Cell, Strain Gauge & Microvolt Input
Range
1 Count
Input Resistance
Input Error
±20.000 mV
±50.000 mV
±100.00 mV
±250.00 mV
±500.00 mV
1 µV
1 µV
10 µV
10 µV
10 µV
1 GΩ
0.01% of full scale ± 2 counts
for absolute voltage readings
0.01% of reading ± 2 counts
for ratiometric bridge readings
RTD Input (1°, 0.1° or 0.01° resolution)
Type
Excitation
Range
Conformity Error
Platinum, Pt100
α =.00385 (DIN)
256 µA
-202 to 850°C
-331 to 1562°F
0.03°C
0.05°F
Platinum, Pt100
α =.003925 (ANSI)
256 µA
-202 to 631°C
-331 to 1168°F
0.04°C
0.07°F
Nickel, Ni120
α =.00672
256 µA
-80°C to +260°C
-112°F to +500°F
±0.05°C
±0.09°F
Copper, Cu10
α =.00427
5.0 mA
-97°C to +260°C
-143°F to +500°F
±0.05°C
±0.09°F
RTD connection: ...................................................................................................... 2, 3 or 4 wire
Span tempco .............................................................................................. ±0.003% of reading/ºC
Zero tempco ........................................................................................................... ±0.03 deg/deg
Sensor lead resistance tempco per conductor, 2-wire .................... 10 µdeg / Ω / deg up to 10 Ω
Sensor lead resistance tempco per conductor, 3 & 4-wire ........... 10 µdeg / Ω / deg up to 100 Ω
Open sensor indication .............................................. 0 mA or > 20 mA output, jumper selectable
Thermocouple Input (1° or 0.1° resolution)
Selection of signal ranges & temperature sensors ................................Via jumpers and software
Selection of serial format, excitation output, analog output ................ Via jumpers on main board
Programming ........................................ Via PC using Instrument Setup software and serial cable
Input resistance .................................................................................................................... 1 GΩ
Input current ...................................................................................................................... 100 pA
Overall input accuracy .................................................................. ± 0.01% of full span ±2 counts
Max lead resistance .......................................................................... 1 kΩ max for rated accuracy
Span tempco .............................................................................................. ±0.003% of reading/ºC
Reference junction tempco ..................................................................................... ±0.02 deg/deg
Open sensor indication .............................................. 0 mA or > 20 mA output, jumper selectable