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PDM3700 Personal Dust Monitor

Real-time, respirable dust monitor for use in Monitor in real-time with a respirable, personal dust monitor designed specifically for U.S. based mining applications.

Supplier:  Thermo Scientific 3700A1

Catalog No. 50-227-1706

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Monitor real-time coal dust exposure with a respirable, personal dust monitor designed specifically for U.S. based mining applications. The Thermo Scientific™ PDM3700 Personal Dust Monitor is equipped with waterproof battery protection, PC-based software for data downloading and reporting, integral charger with download and station for PC interface.

Real-time, respirable, personal dust monitor designed specifically for U.S. based mining applications and the only CPDM designed to meet the latest requirements of the MSHA Dust Rule.
  • PC-based software for data downloading, review of status flags and MSHA reporting
  • Integral charger with download station for PC interface
  • Ergonomic and lightweight
  • Industry standard sampling inlet
  • Waterproof battery protection
Reduce Exposure to Dust

Engineered for timely, high-quality personal dust exposure information, the PDM3700 monitor protects miners’ health by tracking the shift-average respirable coal dust exposure as it approaches regulatory limits. Providing mine workers and management with the tools for personal coal dust monitoring and reducing their exposure, the PDM3700 real time dust monitor is the first line of defense in preventing long-term health effects.
Real-time Measurement

The PDM3700 monitor provides three primary, real-time measurements: primary current mass concentration, primary cumulative mass concentration and percent of limit. Two secondary user-initiated measurements are also available and can be performed without interfering with the primary sample. The battery operated PDM3700 starts by drawing a continuous sample of air from the breathing zone. It then removes any particles that are larger than respirable in size and measures the mass of the dust, which is collected on an exchangeable filter.
Lower per-sample Cost

Dust exposure results are automatically computed, eliminating the need for filter transport and handling steps connected with the manual gravimetric method. This automatic method leads to a significantly lower per-sample cost then with manual sampling and has the added benefit of continuous information availability.

Designed for the Mine Environment

Proven underground capable, through the success of the PDM3600 monitor, the PDM3700 personal dust monitor also offers accurate, continuous, personal respirable dust exposure information. Capable of satisfying the typical mine environment, the durable, belt-mounted case is made of static dissipating housing.



2.2 L/min.
  • 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
0 - 200 mg/m3
3 primary displays:  1)  30 minute average 2) cumulative concentration average to the point of measurement 3)  shift concentration average
3.25 in.
PDM3700 Personal Dust Monitor
6.75 in.
less than 4.5 um
4.41 lb.
9.57 in. Sampling tube: 36.0 in. ± 0.25 in.
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%
30 minutes
Minimum of 30 shifts
8.26 cm
1 internal lithium ion battery assembly
17.15 cm
0.01 mg/m3 
Mass concentration sensitivity:  0.05 mg/m3 (1 sigma) 30 second averaging
2.0 kg
24.31 cm
Sampling tube:  91.44 cm ± 0.635 cm


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