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Yokogawa 701251
| Fabricant | Yokogawa |
| Modèle | 701251 |
| Produit | Analog Voltage Input Module, High-Speed 1 Ms/s 16-Bit Isolation Module (2 ch) |
| Type | Produit Reconditionné |
YOKOGAWA 701251 ANALOG VOLTAGE INPUT MODULE
The Yokogawa 701251 Analog Voltage Input Module is a two input channel, high speed, isolation module designed to provide a high sensitivity range, low noise, and high noise immunity.
Features and Specifications of the Yokogawa 701251 Analog Voltage Input Module include:
Features:
- High Speed: 1Ms/s
- High Sensitivity Range: 10 mV
- Low Noise: ±100 μV (typical)
- High noise immunity
Specifications:
- Effective measurement range: Twice of setting range
- Number of input channels: 2
- Input coupling: AC, DC, and GND
- Maximum sample rate: 1 MS/s
- Input format: Isolated unbalanced
- Frequency characteristics (-3 dB point when a sine wave of amplitude 60% of range is input):
- 50 mV to 200 V range: DC to 300 kHz
- 20 mV and 10 mV range: DC to 200 kHz
- Voltage-axis range setting: 10 mV to 200 V range (1-2-5 steps)
- Maximum input voltage (at frequency of 1 kHz or less):
- Combined with the 700929 (10:1): 600 V (DC+ACpeak)
- Combined with the 701901+701954 (1:1): 140 V (DC+ACpeak)
- Direct input or cable not complying w/safety standard: 140V (DC+ACpeak)
- Maximum allowable common mode voltage (at a frequency of 1 kHz or less):
- Working voltage of safety standard
- Combined with the 700929 (10:1) or combined with the 701901+701954 (1:1): 400 Vrms (CAT l), 300 Vrms (CAT ll)
- Direct input or cable not complying w/safety standard: 42 V (DC+ACpeak)(CAT l and CAT ll, 30 Vrms)
- Vertical (voltage) axis accuracy DC accuracy:
- 50 mV to 200V range: ±(0.25% of range)
- 20 mV range: ±(0.3% of range)
- 10 mV range: ±(0.5% of range)
- Input connector: BNC connector (isolated type)
- Input impedance: 1 MΩ ± 1%, approximately 35 pF
- -3 dB point when AC coupled low frequency attenuation point: 10 Hz or less (1 Hz or less when using the 700929)
- Common mode rejection ratio: 80 dB (50/60 Hz) or more (typical)
- Residual noise level (input section shorted): ±100 μ V or ±0.1% of range, whichever is greater (typical)
- Withstand voltage: 1500 Vrms for 1 minute (across each terminal and earth) (60 Hz)
- Allowable transient surge voltage (instantaneous): ±2100 Vpeak (across each input terminal and earth)
- Insulation resistance: 500 VDC, 10 MΩ or more (across each input terminal and earth)
- A/D conversion resolution: 16 bit (2400 LSB/range)
- Temperature coefficient:
- Zero point:
- 50 mV to 200 V range: ±(0.02% of range)/ ºC(typical)
- 20 mV range: ±(0.05% of range)/ ºC(typical)
- 10 mV range: ±(0.10% of range)/ ºC(typical)
- Gain: 10 mV to 200 V range: ±(0.02% of range)/ ºC(typical)
- Bandwidth limit:
- Select from OFF, 40 kHz, 4 kHz, and 400 Hz
- Cut-off characteristics: -12 dB/OCT (typical)
- Probe attenuation setting:
- Voltage probe: 1:1, 10:1, 100:1, 1000:1
- Cur probe: 10 A:1 V (for the 700937/701933), 100 A: 1 V (for the 701930/701931)
- Reference junction compensation accuracy (When the input terminal temperature is balanced:
- K, E, J, T, L, U, N: ±1 C
- R, S, B, W: ±1.5 C
- Au7Fe: ±1K
- Bandwidth limit (digital filter): Select from OFF, 30 Hz, 8 Hz, and 2 Hz
- Input bias current: 20 nA or less
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