The Dwyer/Omega ACC-PS1 is a battery-operated current source designed to power dynamic sensors and transducers with integral impedance-converting electronics. It delivers fixed 2 mA DC excitation at +18 VDC, making it essential for stable performance verification in process control loops and sensor calibration applications. The unit operates on two 9-volt transistor radio batteries and includes an integrated front-panel voltmeter for real-time monitoring and diagnostic verification.
## Technical Specifications
• Current Output: 2 mA DC (fixed, non-adjustable)
• Voltage Output: +18 VDC (fixed, non-adjustable)
• Power Source: Two 9-volt transistor radio batteries
• Sensor Excitation Range: Compatible with sensors requiring 2 to 20 mA at +18 to +30 VDC
• Connectors: BNC coaxial connectors for sensor and output jacks
• Shipping Weight: Approximately 3 lbs
## Key Features
• Fixed output precision ensures repeatable test conditions without drift or adjustment
• Portable battery operation enables field and lab deployment
• Integrated voltmeter monitors sensor operating voltage and detects opens/shorts in cables and connectors
• Press-to-test button verifies battery condition without interrupting measurements
• BNC coaxial connectors provide standard, secure sensor connections
## Typical Applications
• Dynamic sensor and accelerometer excitation
• Transducer calibration and performance verification
• Current-driven system testing in process control environments
• Cable and connector integrity diagnostics
## Compatibility & Integration
The ACC-PS1 is compatible with instruments requiring constant 2 mA excitation at 18 VDC, including accelerometers and other dynamic sensors rated for nominal 2 mA operation. Integration with monitoring and data acquisition systems is facilitated by standard BNC connectivity.
