Astronics / EADS / Trig-Tek 850A Contact Chatter Detector
The Astronics/EADS/Trig-Tek 850A Contact Chatter Detector is a specialized instrument designed for the precise detection and analysis of contact chatter in electrical and mechanical systems. This device is crucial for identifying intermittent faults and ensuring the reliability of switches, relays, and other contact-based components. By providing detailed information on the duration and frequency of chatter, the 850A enables engineers to proactively address potential issues and optimize system performance.
- Model
- Astronics / EADS / Trig-Tek 850A
- Calibration
- Available on request
- Price
- $1,850
- Status
- In stock
- RFQ ref
- 850A
This unit
The Astronics / EADS / Trig-Tek 850A Contact Chatter Detector is a 10-channel instrument for monitoring switch and relay contact continuity under environmental stress. It identifies intermittent faults in electrical and mechanical systems by detecting contact anomalies with precision timing and current control. The unit supports both Normally Closed (NC) and Normally Open (NO) contact configurations, selectable per channel via toggle switch.
Technical Specifications
Channels: 10 independent channels with individual fault indication
Contact Modes: NC and NO, toggle-selectable per channel
Current Source Compliance: 3 Volt maximum per channel
Current Source Accuracy: ±3% Full Scale
Contact Current Range: 0.1 mA to 11 mA, adjustable for all channels simultaneously
X0.1 position: 0.1 mA to 1.1 mA
X1 position: 1 mA to 11 mA
Timing Interval: 1 µs to 999 µs or 1 ms to 999 ms via dual selector switches
Timing Interval Accuracy: Setting ±3 LSB
Fault Output: 12 Volt for fault condition, 0 Volt for no fault per channel
Power Requirements: 117 or 234 Volts RMS AC, selectable via internal switch
Dimensions: 19 inches wide × 3.5 inches high × 8 inches deep
Key Features
Individual fault latch per channel with dedicated LED indicator
Manual fault reset via front panel switch or remote reset terminal
Adjustable contact current dial with dual-range multiplier (X1, X0.1)
Precision timing interval control via microsecond/millisecond selector and thumbwheel
Per-channel fault output terminals for external integration
Compatibility & Integration
850A Model: BNC connectors for 10-channel input
850B Model: Terminal interface for channel inputs
Fault reset capability via front panel or dedicated remote terminal
Electrical fault signals enable integration with external monitoring systems
Specifications
| Parameter | Value |
|---|---|
| Voltage / Current Range | 0.1 mA to 11 mA per channel, 117/234 VAC input, 3 V maximum compliance |
Astronics / EADS / Trig-Tek 850A — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Astronics / EADS / Trig-Tek 850A. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Astronics / EADS / Trig-Tek 850A price
This Astronics / EADS / Trig-Tek 850A is listed at $1,850. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Astronics / EADS / Trig-Tek 850A calibration cost
NIST-traceable calibration for the Astronics / EADS / Trig-Tek 850A 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 →
