Endevco 4430A Bridge Transducer Signal Condition
The Endevco 4430A is a bridge transducer signal conditioner designed for amplifying and conditioning signals from bridge-type transducers. It provides excitation voltage, bridge completion, and signal amplification for accurate measurement in various applications.
- Model
- Endevco 4430A
- Calibration
- Available on request
- Price
- $1,100
- RFQ ref
- 4430A
This unit
The Endevco 4430A is a programmable bridge transducer signal conditioner designed to amplify and condition signals from full, half, or quarter bridge transducers including pressure gages, strain gage potentiometers, and ISOTRON® type accelerometers. The unit delivers isolated, true differential signal processing with extensive front-panel programmability, making it suitable for demanding industrial and laboratory measurement applications.
Technical Specifications Signal Path
True differential input with programmable AC or DC coupling
Maximum input voltage: ±50 V differential, ±300 V common mode (DC or AC peak)
Input impedance: 50 MΩ minimum (DC coupled); 1 MΩ typical (AC coupled)
Common mode rejection ratio: 120 dB minimum (DC to 60 Hz at Gain ≥100)
Isolated output; differential sensor inputs to output isolation 1000 MΩ Excitation
Isolated, programmable voltage excitation: 0.100 Vdc to 15.000 Vdc (5 mV steps)
Programmable current: 0.5 mA to 100 mA (0.1 mA steps)
Supports full, half, or quarter bridge completion Amplification
Gain range: 1 to 1000 (optional 4430A-1 extends to 10,000)
Gain accuracy: ±0.1% of setting maximum
Linearity: ±0.005% of full scale (best fit straight line, DC)
Gain sensitivity to line voltage: ±0.01% of full scale
Automatic and manual zeroing to <1 mV RTO Filtering
4-pole Butterworth low pass filter: 10 Hz to 10 kHz (5 Hz steps)
Fixed corner frequency options: 20 kHz, 30 kHz
Wideband (filters bypassed): DC to 100 kHz (-3 dB minimum)
AC coupled wideband: 2 Hz to 100 kHz (-3 dB minimum) Phase Response
Non-inverting: <2° (DC to 1 kHz); <5° (1 kHz to 10 kHz) Physical
Weight: 3.95 lbs
Front-panel programming via EDIT, MENU SELECT, LED bar graph, and ENTER keys
Five-character alphanumeric LCD display
Key Features
External calibration input (differential input switchable to calibration voltage)
High common mode voltage operation: 300 Vdc or AC peak maximum
±300 V common mode rejection enables low-noise bridge measurements in high-noise environments
Maximum 9 conductors supported for flexible transducer configurations
Typical Applications
Pressure measurement systems
Strain gage signal conditioning
ISOTRON® accelerometer signal processing
Industrial and laboratory bridge transducer data acquisition
Specifications
| Parameter | Value |
|---|---|
| Frequency Range | DC to 100 kHz | Voltage / Current Range: ±300 V common mode, 0.100 Vdc to 15.000 Vdc excitation |
Endevco 4430A — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Endevco 4430A. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Endevco 4430A price
This Endevco 4430A is listed at $1,100. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Endevco 4430A calibration cost
NIST-traceable calibration for the Endevco 4430A is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
