Heated optics prevent ice formation, and advanced software counteracts heavy fog, rain, or snow up to a 95% signal loss. 2. Unboxing and Pre-Installation Requirements
Dust, salt spray, and industrial grime will degrade signal quality. Clean the sapphire windows of both units regularly using a soft cloth and a mix of isopropyl alcohol and water. Avoid abrasive cleaners that could scratch the optical coatings.
Adjust the receiver until it locks onto the transmitter's flash.
Securely tighten all bracket locknuts to torque specifications listed in the manual (typically 20-25 Nm). Verify that tightening the bolts did not cause the signal strength to drop. Step 3: Zero Calibration drager pulsar 7000 manual
Engineered for medium-range detection (30 to 120 meters).
The is a high-performance, real-time dust and aerosol monitor used in industrial hygiene, workplace exposure monitoring, and environmental surveying. Its manual is essential for safe, accurate, and compliant operation. Below is a complete breakdown of what the manual contains and how to use it.
Uses a measuring wavelength and a reference wavelength to compensate for atmospheric interference like fog, rain, or steam. Heated optics prevent ice formation, and advanced software
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4 meters to 120 meters (depending on the model variant).
The device features an integrated junction box accessible by unscrewing the rear housing cover. Use shielded, twisted-pair cabling for signal lines. Connect power to terminals 1 (+24 VDC) and 2 (0 VDC). Connect the 4-to-20 mA signal loop to terminal 3. Clean the sapphire windows of both units regularly
Secure the Dräger alignment bracket to the structure. Fix the Tx and Rx units onto their respective brackets, leaving the locking bolts slightly loose for the optical alignment phase. Electrical Wiring Procedures
| Mode | Use Case | |------|----------| | | Paired with a filter for mass concentration (mg/m³) | | Real-time | Instantaneous dust levels (0.01–200 mg/m³) | | Data logging | Stores up to 14,000 data points (interval: 1 sec to 60 min) |
Clear the physical path; clean the optical windows; check that internal window heaters are functioning. Device Fault
Once powered, the Dräger Pulsar 7000 requires precise optical alignment to establish its operational baseline. Step 1: Rough Alignment
Maximize the voltage reading. A higher voltage indicates optimum alignment and maximum light transmission. Secure all locking nuts once peak voltage is achieved. 5. Calibration and Zeroing