DA-710A
DC Amplifier
Summary
· 2 channels per unit
· Built-in LPF
· Allowable common mode voltage ±300 V and allowable max. input voltage ±110 V
· Voltage calibration function
Features
The DA-710A is a highly accurate 2-channel isolated DC Amplifier which features strong against noise, high input impedance, high gain accuracy, and high stability.
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DA-710A
DC Amplifier
Specifications
| Channels | 2 |
|---|---|
| Input Modes | Differential, isolated between input and output, and between channel and channel |
| Isolation Methods | Optical |
| Input Impedance | 10 MΩ+ 10 MΩ or more (ATT ×1 and OFF) 1 MΩ + 1 MΩ or more (ATT×1/100) |
| Gain | 13 steps of 10, 20, 50, 100, 200, 500 (×1 and ×1/100) and OFF; continuously variable between ×1 and ×2.5 or more Gain accuracy: ±0.1% FS (ATT ×1) ±0.3% FS (ATT × 1/100) |
| Stability Zero Balance | Within ±5μVRTI/ ºC (With input shorted and gain 500) Gain: Within ±0.02%/ºC |
| Nonlinearity | Within ±0.05% FS |
| Frequency Response | DC to 10 kHz (+1, -3 dB) |
| Output A | ±10 V (Load resistance 10 kΩ or more) |
| Output B | ±10 V (Load resistance 10 kΩ or more) |
| Output Impedance | 1 Ω or less |
| CMRR | 120 dB or more (DC to 60 Hz) (With balanced input of 1 kΩ, gain 500 and ATT ×1) |
| Allowable Common Mode Voltage | ±300 VDC or AC peak Insulation resistance 1000 MΩ or more |
| Allowable Max. Input Voltage | ±2 VDC or AC peak (ATT × 1) ±110 VDC or AC peak (ATT ×1/100) |
| Zero Balance Adjustment Range (Output) | ±5 V (OUT A and B linked) ±1 V (OUT B independent) |
| Noise | 10 μVp-p (RTI) + 6 mVp-p (RTO) (With input shorted, gain 500 and ATT ×1) |
| Calibration Voltage (Output) | Within 4 V ±0.2% |
| Settling Time | 100 μs or less, output: Within ±0.1% |
| Overload Recovery Time | 100 μs or less, output: Within ±0.1% |
| Crosstalk Between Channels | 10 μVp-p (RTI) +6 mVp-p (RTO) or less |
| Common Mode Crosstalk Rejection Ratio | 10 μVp-p (RTI) + 6 mVp-p (RTO) or less |
| LPF | Transfer characteristic : 2nd order Butterworth Cutoff frequencies : 10, 30, 100, 300, 1k Hz and FLAT(6 steps) Amplitude ratio at cutoff point : -3 ±1 dB Attenuation : (-12±1) dB/oct. |
| Operating Temperature | -10 to 50°C |
| Operating Humidity | 20 to 80% (Non-condensing) |
| Storage Temperature | -20 to 70°C |
| Storage Humidity | 5 to 95% (Non-condensing) |
| Withstand Voltage | Between [Channel 1 input connector pin] and [Output, case, AC power supply]: 1 kVAC for 1 min Between [Channel 2 input connector pin] and [Output, case, AC power supply]: 1 kVAC for 1 min Between [AC power supply] and [Output, case]: 1 kVAC for 1 min Between [Channel 1 input] and [Channel 2 input]: 1 kVAC for 1 min |
| Power Supply | 100 VAC, 4.5 VA |
| Dimensions | 49 W x 128.5 H x 262.5 D mm (Excluding protrusions) |
| Weight | Approx.1.0 kg |
| Standard Accessories | Input cable U-108 Output cable U-63 AC power cable P-25 (With 2-pin conversion plug CM-52) Miniature screwdriver CD-R (Instruction manual) Simplified manual |
|---|---|
| Optional Accessories | Housing case YC-A Amplifier stand FA-1B |
Dimensions
