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15.2 Analog Inputs
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Temperature characteristic ±0.05%f.s./℃ (sensor: K, E, J, T, N, with drift compensation mode OFF)
±0.25%f.s./℃ (sensor: R, S, B, with drift compensation mode OFF)
±0.04%f.s./℃ (all sensors, with drift compensation mode ON)
Frequency characteristic DC to 1 kHz (data update rate: 250 μs±70%, with drift
compensation mode OFF) (data update rate: 1 s±20%, with drift
compensation mode ON)
Low-pass filter 5, 500 ± 50% (Hz) (-3 dB)
Input terminals 2-terminal terminal block
Input resistance 5.1 MΩ±5%
Common mode rejection ratio 80 dB minimum (at 50/60 Hz and with signal source resistance
100 Ω maximum)
Input type Unbalanced (input isolated from output)
A/D resolution 12 bits
Maximum sampling speed 1 MS/s (However, update rate differs with temperature input.)
Maximum input voltage 30 V rms or 60 V DC
Maximum rated voltage to
earth
30 V rms or 60 V DC
Operational ranges for
temperature and humidity
Same as the MEMORY HiCORDER in which the 8937 is installed
Operating place Same as the MEMORY HiCORDER in which the 8937 is installed
Temperature and humidity
ranges for storage
Temperature: -10℃ to 50℃ (14
F to 122
F)
Relative humidity: 80%RH maximum (with no condensation)
Effect of radiated radio-
frequency electromagnetic
field
±2% f.s. at 3V/m (in the 10 mV/DIV range)
Dielectric strength One minute at 400 VAC between the 8937 and the main unit, and
between the 8937 and the input unit
Dimensions Approx. 170W×20H×148.5D mm (6.69"W×0.79"H×5.85"D) (excluding
projections)
Mass Approx. 300 g (10.6 oz.)
Standards applying EMC EN61326 ClassA
Safety EN61010
Pollution Degree 2, Measurement Category
(anticipated transient overvoltage: 330 V)
Common specifications
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