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Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa CVM-41A Strain/Voltage/Acceleration Measurement Card EDX Series Conditioner Card
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model CVM-41A Strain/Voltage/Acceleration Measurement Card
- Conditioner card for EDX-200A and EDX-5000A
Feature
Can be selected according to the application. In addition to strain, voltage, acceleration, and temperature measurements, CAN data is also supported. Noise-resistant isolation amplifier cards and dynamic strain measurement cards are also available.
Specification
| Compatible Models | EDX-100A, EDX-200A, EDX-5000A |
|---|---|
| Number of input channels | 8 |
| Measurement object | Strain measurement: strain gauge, strain gauge type transducer * Bridge box usedwhen measuring strain gauge Voltage measurement: voltage, voltage output type sensor acceleration measurement: Piezoelectric accelerometer (built-in amplifier type) |
| Input Format | Strain measurement: Balanced differential input voltage measurement: Balanced differential input * Unbalanced input when using conversion connector FV-1A * Common-mode input voltage range: ±20V or less, Absolute rated input voltage range: ±50V or less Acceleration
measurement (piezoelectric type): Unbalanced input * Conversion connector FV-1A can be used |
| Input impedance | Voltage measurement: (1MΩ + 1MΩ) within 10% ± * 1MΩ ±1% or less when using the FV-10A conversion connector (unbalanced input) |
| Bridge power supply Sensor power supply (independent of each channel) | Strain measurement: constant voltage output BV2V: DC2V, BV5V: DC5V, BV10V: DC10V Voltage measurement: constant voltage output
DC2V (±1V), DC5V (±2.5V), DC10V (±5V ) or OFF, 20mA/channel or less Acceleration measurement (piezoelectric type): Constant current output approx. 4mA, applied voltage: DC approx. 23V, load 1kΩ or less*When mounted on the EDX-100A, sensor power supply DC10V (±5V) mode is limited to 41 channels × the number of CVM-3A installed. |
| Gauge rate | Strain measurement: 2.00 fixed |
| Compatible bridge resistance | Strain measurement: BV2V:120~1000Ω BV5V:350~1000Ω
BV10V: |
| Balance operation setting (zero suppress) | Strain measurement: [Auto balance effective] Cancel the bridge imbalance with an analog circuit and set the measured value to zero [Auto balance disabled]Do not cancel the bridge imbalance (the initial imbalance value of the bridge circuit can be confirmed)Voltage measurement: [Zero suppress enabled] Cancel the input voltage with an analog circuit and set the measured value to zero [Zero suppress disabled] Do not cancel the input voltage with the analog circuit (the input voltage is displayed as it is) |
| Equilibrium adjustment range | Strain measurement: [BV 2V] Resistance ±10% (±50000×10-6Strain) [BV 5V] Resistance ±4% (±20000×10-6Strain) [BV 10V] Resistance ±2% (±10000×10-6Strain)Voltage measurement: ±5V |
| Measuring range | Strain measurement: 【BV 2V】 2k, 5k, 10k, 20k, 50k, 100k, 200k, 500k×10-6Strain [BV 5V] 2k,5k,10k,20k,50k,100k,200k×10-6Strain [BV 10V] 2k,5k,10k,20k,50k,100k×10-6Strainvoltage measurement: 1,2,5,10,20,50V Acceleration measurement (piezoelectric type): 100,200,500,1000,2000,5000mV |
| Range accuracy | Strain measurement: within ±0.2%FS Voltage measurement: within
±0.2%FSAcceleration measurement (piezoelectric type): Within ±1.0%FS |
| Nonlinearity | Strain measurement: within ±0.1%FS Voltage measurement: within
±0.1%FSAcceleration measurement (piezoelectric type): Within ±0.2%FS |
| CALIBRATED VALUE (CAL) SHUNT CAL | Strain measurement: 100% ±, ±50% of each range and approx. 350×257 with a 10 Ω load for SHUNT * SHUNT CAL-6Strain outputvoltage measurement: 100% ±, ±50% acceleration measurement (piezoelectric type): 100% ± of each range, 50%± |
| Response frequency | Strain measurement: DC coupling: DC~5kHz (deviation +1dB, -3dB)AC coupling: 0.2,1Hz~5kHz (deviation +1dB, -3dB) (see High-pass filter)
Voltage measurement: DC-coupled: DC~5kHz (deviation +1dB, -3dB)AC coupling: 0.2,1Hz~5kHz(deviation +1dB, -3dB) (See High-pass filter)Acceleration measurement (piezoelectric type): 0.5Hz~5kHz (deviation +1dB, -3dB) |
| Lowpass Filter | Transfer characteristics: 5th order Butterworth cut-off frequency: 30,100,300,1k,3kHz,1kHz,FLAT and AUTO*AUTO is set to about 4/3 of the set sampling frequencyCutoff accuracy: -1±30dB Attenuation characteristics: -3 (+7,-<>)dB/ oct. |
| High-pass filter | Cut-off frequency Strain measurement: 0.2 Hz, 1 Hz Voltage measurement: 0.2 Hz, 1 Hz attenuation characteristics Strain measurement: -6 dB/oct. Voltage measurement: -6 dB/oct. |
| AD converter resolution | 24-bit *When mounted on the EDX-100A, it operates at 16-bit resolution |
| Distortion | Acceleration measurement (piezoelectric type): 1% or less |
| Monitor output | ±5V±0.5% (at ±FS) Nonlinearity: Within 0.5%FS of ± |
| size | 22(W)×119(H)×213(D)mm (excluding protrusions) |
| mass | Approx. 400g |
| Additional features | Reading information from sensors with built-in TEDS |
| Conformity directives | EMC Directive 2014/30/EU Conformity Directive RoHS Directive 2011/65/EU,(EU ) 2015/863 (10 substances) |
| Standard Accessories | 3 binding machine screws M6×2 with cross hole |
|---|---|
| Sold separately | CCA input cable U-111 CVM input cable U-121~123 Central input cable for CVM N-121 centralized output cable U-62 conversion connector FV-1A voltage input box VI-8A (-T) Small bridge box for 1 gauge DBS-120B-8(C)(T),DBS-350B-8(C)(T)One-touch lock bridge box DBV-120A-8(C),DBV-350A-8(C) |
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