The CDV-900A is a Signal Conditioner which features wide frequency response range from DC to 500 kHz, and excellent nonlinearity within ?0.01%FS.
Simple setting enables improvement of work efficiency greatly.
Excitation Modes Constant current
Bridge Excitation 120 ?: 8.3, 16.7 mA
350 ?: 5.7, 14.3, 28.6 mA
Applicable Bridge Resistance 120, 350 ?
User?s Function Bridge-resistance compensation
Extension Cable Length Up to 2 km (By a 4-conductor (0.5 mm2) shielded cable)
Measuring Targets Strain gages, strain-gage transducers and voltage
Channels 1
Gage Factor 2.00 fixed
Balance Adjustment (Auto BAL) Within ?2% (? 10000 ?10-6 strain)
Balance adjustment method: Auto balance
Accuracy: ?1 ?10-6 strain
(At sensitivity of 10 V per 1000 ?10-6 strain)
Storage: Saved in nonvolatile memory
Nonlinearity Within ?0.01% FS
Input Impedance 10 +10 M? more
Output Impedance Approx. 2 ?
Calibration (CAL) Equivalent strain: ?(1 to 9999 ?10-6 strain)
DC voltage: ? (10 to 99990 ?V)
Setting: CAL switch (4-digital switch)
Accuracy: Within ? (0.2%+0.5 ?10-6 strain)
Within ? (0.1%+5.0 ?VRTI)
Sensitivity Adjustment Sensitivity is set in combination with CAL and
VOLTAGE OUT switches (4-digit digital switches)
CAL switch range: 100 to 9999 ?10-6 strain by 1 ?10-6 strain step
VOLTAGE OUT switch range: 1.00 to 10.00 by 0.01 V step
Accuracy: Within ? (0.5% + 5 mV)
Range: x200 to x10000
Fine Sensitivity Adjustment Range: 1 to 1/2.5
Frequency Response DC to 500 kHz (Amplitude deviation: 1, -3 dB)
LPF Transfer characteristic : 4th order Butterworth
Cutoff frequencies : 10, 100, 1 k, 10 k, 100 k Hz and FLAT – 6 steps
Amplitude ratio at cutoff point : -3?1 dB
Attenuation : (-24 ?1) dB/oct.
HPF Cutoff Frequencies : 0.2 Hz , OFF – 2 steps
Output OUTPUT A: ?10 V (Load resistance: 5 k? or more)
OUTPUT B: ?10 V (Load resistance: 5 k? or more)
Noise LPF FLAT: 40 ?Vp-p or less
LPF 100 kHz:16 ?Vp-p or less
LPF 10 kHz:6 ?Vp-p or less
LPF 1 kHz:4 ?Vp-p or less
LPF 100 Hz:3 ?Vp-p or less
LPF 10 Hz:2 ?Vp-p or less
(At Bridge excitation: 2 V, bridge resistance: 120 ?,1000 ?10-6 strain input, 10.00 V output set)
Safe Input Voltage ?15 V
Safe Common Mode Input ?10 V
CMRR 100 dB or more
Stability Temperature
Zero point: ?1 ?10-6 strain per ?C
Sensitivity: ?0.01%/?C
Time
Zero point: ?5 ?10-6 strain per 24 h
Sensitivity: ?0.05%/24 h
Power supply
Zero point: ?0.05%FS/power fluctuation ?10%
Sensitivity: ?0.05%/power fluctuation ?10%
(At sensitivity of 10 V per 1000 ?10-6 strain)
Withstand Voltage 1 kVAC for 1 min between AC power supply and case (CDV/CDA-900A only)
Output Voltage Indication 4 1/2 digit digital display (7-segment LED)11-segment LED bar meter
Over Input Indication Output voltage display flashing(4 1/2 digit digital display only)
Check Functions Bridge resistance check
Key Lock Function Locks all keys other than POWER switch.
(Allows settings on digital CAL and VOLTAGE OUT switches to be changed)
Remote Functions Balance adjustment execute (BAL), calibration strain output execute (CAL), key lock
TEDS Reads the sensor TEDS information, and sets the rated output to the VOLTAGE OUT output voltage.
Actual Load Calibration Sets actual load input to the VOLTAGE OUT output voltage.
Vibration Resistant 5 to 200 Hz, with 29.4 m/s2 (3 G) in X, Y
and Z directions for 12 cycles, 10 min/cycle
Impact Resistant 15 G, 11 ms or less, in X, Y
and Z directions, every 3 cycles
Operating Temperature -10 to 50 ?C
Operating Humidity 20 to 85% RH (Non-condensing)
Storage Temperature -30 to 70?C
Power Supply 100 to 240 VAC, approx. 8 VA (At 100 VAC)
10.5 to 15 VDC, approx. 4 W (At 12 VDC)
Dimensions 49 W x 128.5 H x 262.5 D mm (Excluding protrusions)
Weight Approx. 1.0 kg
Standard Accessories Output cable U-08, U-59
AC power cable P-25 (With 2-pin conversion plug CM-39),
Instruction manual
Optional Accessories Input cable U-37
Extension cables N-81 to N-85
Housing case YC-A
Amplifier stand FA
N/A
