User Manual

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19.2 Analog Inputs
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1
9.2.2 8937 VOLTAGE/TEMP UNIT
Measurement ranges 500μV/DIV, 1, 2, 5, 10, 20, 50, 100, 200, 500 mV/DIV
1, 2 V/DIV
Zero position setting range -50 to 150% of the recording width (in full-size representation of the
vertical axis)
DC amplitude accuracy ±0.4% f.s.
Zero position accuracy ±0.15% f.s.
Temperature characteristic Gain: ±0.02%f.s./℃
Zero position: ±0.03%f.s./℃
Frequency characteristic
DC to 400 kHz
＋1
−3
dB (in 500μ to 2 V/DIV range)
DC to 3 kHz
＋1
−3
dB (with digital filter ON in 500μ to 2 mV/DIV range
)
(data update rate: 100 μs±20%)
Noise 75 μVp-p typical, 120 μVp-p max.
(with digital filter OFF in 500μV/DIV range)
20 μVp-p typical, 30 μVp-p max.
(with digital filter ON in 500μV/DIV range)
Input terminals BNC terminal
Input resistance 1MΩ±1%
Input capacitance 50 pF±20 pF (at 100 kHz)
Input coupling DC, GND, AC
Low-pass filter OFF, 5, 500, 5 k, 100 k ±50% (Hz) -3 dB
Measurement ranges 10, 20, 50, 100℃/DIV
Measurement input range K: -200℃ to 1350℃ R: 0℃ to 1700℃
E: -200℃ to 800℃ S: 0℃ to 1700℃
J: -200℃ to 1100℃ B: 300℃ to 1800℃
T: -200℃ to 400℃
N: -200℃ to 1300℃
Zero position setting range -100 to 100% f.s. (in full-size representation of the vertical axis)
Temperature measurement
accuracy
K, E, J, T, N
±0.1% f.s.±1.0℃
±0.1% f.s.±2.0℃ (-200℃ to 0℃)
R, S
±0.1% f.s.±3℃
B (effective measurement range: 400℃ to 1800℃)
±0.1% f.s.±4℃
Reference junction
compensation
Selectable internal or external
Accuracy at 23℃±5℃, 35% to 85%RH after zero adjustment after 60-minute warming-up time
Accuracy guaranteed for 1 year.
Voltage input
Temperature input