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VOLTAGE/TEMP UNIT 8954 < Recorder < Products
Recorder Option (Input units for the MEMORY HiCORDER series)

VOLTAGE/TEMP UNIT 8954

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Voltage (high resolution) input Amplifier
This unit is one input channel. Simply slot the 8954 into the Digital Oscillo Series MEMORY HiCORDER 8855 for use
Basic specifications
Measurement functions Number of channels: 1 voltage or temperature measurement channel
Input Voltage input: isolated BNC connector, thermocouple input: Plug-in terminal, Max. rated voltage to earth: 370 V AC, DC
(with input isolated from the unit, the maximum voltage that can be applied between input channels and chassis, or across input pins, without causing damage)
Voltage measurement range 500 µV to 2 V/division, 12 settings, full-scale = 20 divisions, low-pass filter: 1/5/50/500/20 kHz, the measurement resolution: 1/1600 of range (using 16-bit AD)
Temperature measurement range 10 °C, 100 °C/division, 2 settings, full-scale = 20 divisions, low-pass filter: 1/5/50/500/20 kHz, the measurement resolution: 1/1000 of range (using 16-bit AD)
Thermocouple range K: -200 to 1350 °C, E: -200 to 800 °C, J: -200 to 1100 °C,
T: -200 to 400 °C, N: -200 to 1300 °C, R: 0 to 1700 °C,
S: 0 to 1700 °C, B: 300 to 1800 °C, W: 0 to 2000 °C
Reference junction compensation: internal/external (interchangeable)
Maximum sampling rate Voltage input: 100 kS/s, temperature measurement: 4 kS/s (data updates every 250 ms)
Accuracy Voltage input: DC amplitude: ±0.2% f.s. Zero-position: ±0.2% f.s.
Temperature measurement (K, E, J, T, N): ±0.1% f.s. ±1 °C, ±0.1% f.s. ±2 °C (-200 °C to 0 °C), (R, S, W): ±0.1% f.s. ±3 °C, (B): ±0.1% f.s. ±4 °C (400 to 1800 °C)
Reference contact compensation accuracy: ±0.1% f.s. ±1.5 °C (for reference junction internal compensation)
Frequency characteristics Voltage input: DC to 20 kHz +1/-3 dB
Temperature measurement: DC to 1 kHz +1/-3 dB
Input resistance and capacitance Voltage input: 1 M-ohm, 60 pF (when C is 10 kHz)
Temperature measurement: 4.8 M-ohm or more
Max. allowable input 30 V rms or 60 V DC (the maximum voltage that can be applied between input pins without causing damage)
Accessories None * The input cord and conversion cable are optional
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