A respirable personal dust monitor developed specifically for mining operations in the United States enables real-time monitoring of coal dust exposure. The Thermo Scientific™ PDM3700 Personal Dust Monitor includes waterproof battery protection, PC-based software for data collection and reporting, and an integrated charger with a download station for PC connectivity.
PDM3700 Personal Dust Monitor. Image Credit: Thermo Fisher Scientific – Handheld Elemental & Radiation Detection
As the only personal dust monitor (CPDM) compliant with the latest MSHA Dust Rule, this real-time, respirable device is purpose-built for U.S. mining environments.
Key features include:
- Industry-standard sampling inlet
- Waterproof battery protection
- PC-based software for downloading data, reviewing status flags, and generating MSHA reports
- Integrated charger and PC interface station
- Lightweight and ergonomic design
Reduce Exposure to Dust
Engineered to deliver timely and accurate personal dust exposure data, the PDM3700 helps protect miners by tracking shift-average respirable coal dust levels as they near regulatory thresholds. It equips both workers and site managers with effective tools for monitoring and minimizing exposure, acting as a critical first step in preventing chronic health effects.
Real-Time Measurement
The PDM3700 captures three primary parameters in real time: current mass concentration, cumulative mass concentration, and percent of exposure limit. Two additional user-activated measurements can be taken without disrupting the main sampling process.
Operating on battery power, the device continuously samples air from the breathing zone. It removes particles exceeding respirable size and calculates dust mass collected on a replaceable filter.
Lower Per-Sample Cost
By automatically calculating dust exposure, the PDM3700 eliminates the need for manual filter handling and transport required by gravimetric methods. This automation significantly reduces per-sample costs and ensures uninterrupted data availability.
Designed for the Mine Environment
Building on the field-proven performance of the PDM3600, the PDM3700 provides reliable, continuous measurement of respirable dust exposure in underground conditions. Its rugged, belt-mounted housing is made from static-dissipating material and is designed to endure the rigors of the mining environment.
Video Credit: Thermo Fisher Scientific – Handheld Elemental & Radiation Detection
Specifications
Source: Thermo Fisher Scientific – Handheld Elemental & Radiation Detection
| . |
. |
| Flow Rate |
2.2 L/min. |
| Accuracy |
25 % of the reference method (for concentrations greater than 0.2 mg/m3)
Minimum dust loading: 0.1 mg (to achieve specification)
Maximum dust loading: 4.0 mg (to achieve specification)
Accuracy only valid within operating temperature of -4° to 104 °F (-20° to +40 °C) and with a relative humidity from 0 % to 100 % |
Certifications/
Compliance |
- NIOSH approval number TC-74CPDM-01
- Certified intrinsically safe by the Mine Safety Health Administration (MSHA) (19-A040002-0)
- EN61326-1:2005 - Pending
- FCC Part 15 subpart B - Pending
- UN T1-T8 (shipment of lithium-ion batteries)
- The PDM3700 Charger complies with the ANSI/UL 1012
- standard for power units other than Class 2, 7th Edition (4/29/05) - Pending
|
Concentration Display
Averaging Time |
30 minutes |
Concentration
Measurement
Range |
0 - 200 mg/m3 3 primary displays:
- 30 minute average
- cumulative concentration average to the point of measurement
- shift concentration average
|
| Data Points |
Minimum of 30 shifts |
| Depth (English) |
3.25 in. |
| Depth (Metric) |
8.26 cm |
| Description |
PDM3700 Personal Dust Monitor |
| Electrical Requirements |
1 internal lithium-ion battery assembly |
| Height (English) |
6.75 in. |
| Height (Metric) |
17.15 cm |
| Particle Size Range |
less than 4.5 μm |
| Resolution |
0.01 mg/m3
Mass concentration sensitivity: 0.05 mg/m3 (1 sigma), 30-second averaging |
| Weight (English) |
4.41 lb. |
| Weight (Metric) |
2.0 kg |
| Width (English) |
9.57 in. Sampling tube: 36.0 in. ± 0.25 in. |
| Width (Metric) |
24.31 cm
Sampling tube: 91.44 cm ± 0.635 cm |
| Unit Size |
Each |