Continuous Monitor for Single Workstation
This single-workstation continuous monitor Desco 19342 from DESCO continuously monitors the path-to-ground integrity for one operator and one ESD work surface. The unit's illuminated housing indicates status with color-coded LEDs: green for correct ground connection, red (with audible alarm) for breaks or intermittent connections, and blue for standby.
Features
- Continuous monitoring of operator and work surface path-to-ground.
- Wave Distortion Technology with 1.2 V operator test voltage and alarm response under 50 ms.
- Monitors work surface path-to-ground for less than 10 MΩ.
- ParkSnap™ with approximately 8 seconds park-delay timer for temporary disconnection without alarm.
- Mat monitor switch to disable work surface monitoring and adjustable audible alarm level.
- Supplied with mounting hardware and universal 100–240 VAC power supply with IEC C14 inlet; the unit is NIST calibrated.
Documentation
Further technical details and installation instructions can be found in the manufacturer's technical bulletin: See manufacturer's data sheet.
Typical Applications
The Desco 19342 is used for continuous verification of electrical connection between a single operator and ground, as well as to ensure that a work surface has a path-to-ground below 10 MΩ. The ParkSnap™ function is used for temporary disconnection of the wrist strap without triggering an alarm for approximately 8 seconds.
Specifications
- Product: Desco 19342, single-workstation continuous monitor
- Operator test voltage: 1.2 V peak-to-peak (@ 1.2 µA, open circuit)
- Alarm response: <50 ms
- Operator test range: 500 kΩ to 10 MΩ impedance
- Work surface test limit: 10 MΩ (±20%)
- Work surface test voltage: 5–7.5 V, open circuit
- Park-delay timer: approximately 8 seconds (ParkSnap™)
- Power supply (included): external adapter 100–240 VAC input, 9 VDC output, IEC C14 inlet
- Ready for mounting: supplied with mounting screws and washers
- Calibration: NIST calibrated upon shipment
- Environment and operation: operating temperature 10–35 °C; indoor use; max altitude 2 km
- Dimensions: 63 mm dia. x 21 mm H (2.49" Dia. x 0.84" H)
- Weight: 44 g (1.6 oz.)
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