Yokogawa 701251 Analog Voltage Input Module, High-Speed 1 Ms/s 16-Bit Isolation Module (2 ch)

Yokogawa 701251 Analog Voltage Input Module

The Yokogawa 701251 Analog Voltage Input Module is engineered to elevate your measurement capabilities with its dual-channel design that ensures high speed and excellent isolation for reliable data acquisition. This state-of-the-art module is built for professionals and industries that require precise readings in various environmental conditions.

Key Features:

• High Speed: Achieving a remarkable sample rate of 1 Ms/s.
• High Sensitivity Range: Capable of detecting signals as low as 10 mV.
• Low Noise Level: Offers a typical residual noise level of ±100 μV.
• Superior Noise Immunity: Designed to minimize the impact of external interferences.

Specifications:

• Effective Measurement Range: Twice of the setting range for enhanced versatility.
• Input Channels: 2 channels for simultaneous measurements.
• Input Coupling: Configurable for AC, DC, and GND.
• Maximum Sample Rate: Up to 1 MS/s.
• Input Format: Isolated unbalanced connections.
• Frequency Characteristics:
  • 50 mV to 200 V Range: DC to 300 kHz.
  • 20 mV and 10 mV Range: DC to 200 kHz.
• Voltage Range Setting: 10 mV to 200 V with 1-2-5 steps.
• Maximum Input Voltage:
  • With 700929 (10:1): 600 V (DC + AC_peak).
  • With 701901 + 701954 (1:1): 140 V (DC + AC_peak).
  • Direct input or cables not meeting safety standards: 140 V (DC + AC_peak).
• Common Mode Voltage:
  • With 700929 (10:1) / 701901 + 701954 (1:1): 400 V_rms (CAT l), 300 V_rms (CAT ll).
  • For inputs not adhering to safety standards: 42 V (DC + AC_peak) (CAT I and II).
• Vertical Axis Accuracy:
  • 50 mV to 200 V 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.
• Common Mode Rejection Ratio: 80 dB (50/60 Hz) or more (typical).
• Withstand Voltage: 1500 V_rms for 1 minute (across each terminal and earth).
• Insulation Resistance: 500 VDC, 10 MΩ or more across each terminal and earth.
• A/D Conversion Resolution: 16-bit (2400 LSB/range).
• Temperature Coefficient:
  • Zero Point Variations:
  • 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 Stability:
  • 10 mV to 200 V Range: ±(0.02% of range)/ºC (typical).
• Bandwidth Limit: Options include OFF, 40 kHz, 4 kHz, and 400 Hz.
  Cut-off Characteristics: -12 dB/OCT (typical).
• Probe Attenuation Settings:
  • Voltage Probes: 1:1, 10:1, 100:1, 1000:1.
  • Current Probes: 10 A:1 V and 100 A:1 V variations.
• Reference Junction Compensation Accuracy:
  • K, E, J, T, L, U, N: ±1°C.
  • R, S, B, W: ±1.5°C.
  • Au7Fe: ±1K.
• Input Bias Current: 20 nA or less.