DA-710A – DC Amplifier

Technical Specifications

Channels 2
Input Modes Differential, isolated between input and
output, and between channel and channel
Isolation Methods Optical
Input Impedance 10 + 10 M? or more (ATT ?1 and OFF)
1 + 1 M? 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 x2.5 or more
Gain accuracy:
?0.1% FS (ATT ?1)
?0.3% FS (ATT ? 1/100)
Stability Zero Balance Within ?5?VRTI/ ?C (With input shorted and gain 500)
Gain: Within ?0.02%/?C
Nonlinearity Within ?0.05% FS
Frequency Response DC to 10 kHz (+1, -3 dB)
Output A ?10 V (Load resistance 10 k? or more)
Output B ?10 V (Load resistance 10 k? or more)
Output Impedance 1 ? or less
CMRR 120 dB or more (DC to 60 Hz)
(With balanced input of 1 k?, gain 500 and ATT ?1)
Allowable Common Mode Voltage ?300 VDC or AC peak
Insulation resistance 1000 M? 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 ?Vp-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 ?s or less, output: Within ?0.1%
Overload Recovery Time 100 ?s or less, output: Within ?0.1%
Crosstalk Between Channels 10 ?Vp-p (RTI) +6 mVp-p (RTO) or less
Common Mode Crosstalk Rejection Ratio 10 ?Vp-p (RTI) + 6 mVp-p (RTO) or less
LPF Transfer characteristic : 2nd Order Butterworth
Cutoff frequencies : 6 steps of 10, 30, 100, 300, 1k Hz and FLAT(6 steps)
Amplitude ratio at cutoff point : Within -3?1 dB
Attenuation : (-12?1) dB/oct
Operating Temperature -10 to 50?C
Operating Humidity 20 to 80%RH (Non-condensing)
Storage Temperature -20 to 70?C
Storage Humidity 5 to 95% RH (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-39)
Miniature screwdriver
CD-R (Instruction manual)
Simplified manual
Optional Accessories Housing case YC-A
Amplifier stand FA-1B

Others

N/A