Kyowa CVM-41A Strain/Voltage/Acceleration Measurement Card EDX Series Conditioner Card

Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: CVM-41A Strain/Voltage/Acceleration

Conditioner card for EDX-200A and EDX-5000A

Feature of CVM-41A Strain/Voltage/Acceleration

You can select according to the application. In addition to strain, voltage, acceleration, and temperature measurements, CAN data is also supported. Furthermore, noise-resistant isolation amplifier cards are available. Additionally, dynamic strain measurement cards are offered, enhancing the versatility and utility of the system.

Specification

	Strain measurement	Voltage measurement	Acceleration measurement (Piezoelectric)
Applicable Recorders	EDX-100A, EDX-200A, EDX-5000A
Channels	8
Measuring Targets	Strain gages, strain-gage transducers * For strain measurement, use bridge boxes	Voltage Voltage-output sensors	Piezoelectric accelerometers (Built-in amplifier)
Input Modes	[Strain measurement] Balanced differential input	Balanced differential input When using the Conversion Adapter FV-1A, this becomes unbalanced input Common mode input voltage range ±20 VDC, absolute input voltage range ±50 V	Unbalanced input *Conversion Adapter FV-1A usage possible
Input Impedance	–	1 MΩ + 1 MΩ Within ±10% *When using Conversion Adapter FV-1A (At unbalanced input), within 1 MΩ ±10%	–
Bridge Excitation or Power Supply to Sensors	Const. voltage output BV2V: 2 VDC BV5V: 5 VDC BV10V: 10 VDC	Const. voltage output BV2V: 2 VDC (±1 V) BV5V: 5 VDC (±2.5 V) BV10V: 10 VDC (±5 V) or OFF 20 mA/channels or less	Const. current output (Approx. 4 mA) (Excitation voltage: Approx. 23 VDC, Load: 1 kΩ or less)
Bridge Excitation or Power Supply to Sensors	*Each channel settable. The max. channels of CVM-41A in EDX-100A is 3 times of units of CVM
Gage Factor	2.00 fixed	–	–
Compatible Bridge Resistance	BV2V: 120 to 1000 Ω BV5V: 350 to 1000 Ω BV10V: 500 to 1000 Ω	–	–
Balance Operation Settings(Zero suppression)	——-Autobalance enabled Cancel the unbalanced bridge portion in the analog circuit, and zero the measurement value. ——-Autobalance disabled Do not cancel the unbalanced bridge portion (The initial unbalanced value in the bridge circuit can be confirmed)	——-Zero suppression enabled Cancel the input voltage in the analog circuit, and zero the measurement value ——-Zero suppression disabled Do not cancel the input voltage in the analog circuit (Display the input voltage as is)	–
Balance Adjustment Range	BV2V: Resistance ±10% (±50k ×10-6 strain) BV5V: Resistance ±4% (±20k ×10-6 strain) BV10V: Resistance ±2% (±10k ×10-6 strain)	±5 V	–
Measuring Range	BV2V: 5 k, 10 k, 20 k, 50 k, 100 k, 200 k, 500 k ×10-6 strain BV5V: 5 k, 10 k, 20 k, 50 k, 100 k, 200 k ×10-6 strain BV10V: 2 k, 5 k, 10 k, 20 k, 50 k, 100 k ×10-6 strain	1, 2, 5, 10, 20, and 50 V	100, 200, 500, 1000, 2000, and 5000 mV
Range Accuracy	Within ±0.2%FS		Within ±1.0%FS
Nonlinearity	Within ±0.1%FS		Within ±0.2%FS
Calibration (CAL)SHUNT CAL	±100% and ±50% of each range and SHUNT *When SHUNT CAL has 350 Ω load connected, approx. 257 ×10-6 strain output.	±100% and ±50% of each range	±100% and ±50% of each range
Frequency Response	DC coupling: DC to 5 kHz, deviation +1dB, -3dB AC coupling: 0.2, 1 Hz to 5 kHz (See the HPF.)		0.5 Hz to 5 kHz, deviation +1dB, -3dB
LPF	Transfer characteristics : 5 Butterworth type Cutoff frequencies : 30, 100, 300, 1 k, 3 k Hz, FLAT and AUTO *With AUTO settings, the cutoff frequency is set to 1/4 of the sampling frequency. Cutoff accuracy : Within -3 ±1 dB Attenuation : -30 (+3, -7) dB /oct.
HPF	Cutoff frequencies: 0.2 Hz, 1 Hz Attenuation: -6 dB/oct.	Cutoff frequencies: 0.2 Hz, 1 Hz Attenuation: -6 dB/oct.	–
Resolution	24 bits *When installed in EDX-100A, its resolution becomes 16 bits.
Distortion Rate	–	–	1% or less
Monitor Output	Accuracy: Within ±5 V ±0.5% (With ±FS) Nonlinearity: Within ±0.5%FS
Dimensions	22 W x 119 H x 213 D mm (Excluding protrusions)
Weight	Approx. 400 g
TEDS	Reads information from TEDS-installed sensors.
Compliance	Directive 2014/30/EU (EMC) Directive 2011/65/EU, (EU) 2015/863 (10 restricted substances) (RoHS)

Standard Accessories	2 cross recessed binding head screw M3x6
Optional Accessories	CCA input cable U-111 CVM input cable U-121 to U-123 CVM input integrated cable N-121 Integrated output cable U-62 Conversion adapter FV-1A Voltage input box VI-8A (-T) Bridge box for quarter bridge system DBS-120B-8 (C) (T) DBS-350B-8 (C) (T) One-touch type bridge box DBV-120A-8 (C) DBV-350A-8 (C)