SM500F
Field mountable paperless recorder 8 Specification
140 IM/SM500F Rev. Z
Analog/Digital Inputs
General
Number of inputs
7 (1 as standard, up to 6 optional)
Input types
mA, mV, voltage, resistance, THC, 3-wire RTD, 4-wire RTD, volt-free digital, 24 V DC digital*
Thermocouple types
B, E, J, K, L, N, R, S, T
Resistance thermometer
PT100
Other linearizations
x, x
3
/2, x
5
/2, custom linearization
Digital filter
Programmable 0 to 60s
Display range
–99999 to +999999
Common mode noise rejection
>120 dB at 50/60 Hz with 300 imbalance resistance
Normal (series) mode noise rejection
>60 dB at 50/60 Hz
CJC rejection ratio
0.05 °C/°C
Sensor break protection
Programmable as upscale or downscale
Temperature stability
0.02 %/°C or 2 µV/°C
Long term drift
<0.2 % of reading or 20 µV annually
Input impedance
>10 M (millivolts inputs)
>10 M (voltage inputs)
44 (mA inputs)
Analog/Digital resolution
16 bit
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