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University Based Safety Training

Personal Monitors. University Based Safety Training. FCC/OSHA. The FCC states very clearly in OET 65 that both E & H fields must be determined if equipment below 300MHz is in use at the site, and if in the near field you should measure to ensure the real the MPE levels. FCC Rulemaking.

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University Based Safety Training

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  1. Personal Monitors University Based Safety Training

  2. FCC/OSHA • The FCC states very clearly in OET 65 that both E & H fields must be determined if equipment below 300MHz is in use at the site, and if in the near field you should measure to ensure the real the MPE levels.

  3. FCC Rulemaking mW/cm2 MPE LAW 100 30 10 Controlled =100% 6 Min TWA 5 Both E&H Below 300MHz 20% 1 Uncontrolled 30Min TWA .2 20% reading is OSHA’S ACTION LIMIT FM AM Cellphones 0.3 1 3 10 30 100 300 1 3 10 30 100 MHz GHz

  4. CONFIDENTIAL R.S.I. Corporation Personal Monitors • Provide Personal Monitoring for areas where RF may be present. (PPM’s) • Manyarenarrow in band width (w/limited frequency response only E or H field) and not fully isotropic (may not be accurate in near field).

  5. PPE Use PPE can offer a high degree of protection only if it is used properly.

  6. Don't use PPM's to do surveys R.S.I. Corporation

  7. Narda 8862xt Electric Narda 8848 ELECTRIC Confidential RSI Corporation Page 8

  8. PPE 1910.132 • In general, the greater the levels of PPE protection, the greater are the associated risks. For any given situation, equipment and clothing should be selected that provide an adequate level of protection.

  9. Over The MPE LESS than 6 Min.

  10. NARDA 8860

  11. E-Only

  12. Rad Man

  13. Rad Man • Isotropic sensors for non-directional measurements. • Frequency: • Response Shaping for the FCC Standard. • Results displayed as percent of maximum value permitted by the relevant standard. • Optical interface for data transfer to PC. • *Wide frequency range: • H-field from 3 MHz to 1 GHz. • E-field from 3 MHz to 18 GHz. *Standard = FCC 96-326, occupational

  14. Rad Man • 3 Year Calibration ( some are 1 or 2 years, check your unit). • Uses standard batteries. • Simultaneous E and H-field measurement.

  15. Using the RadMan Automatic Switch On Routine: The switch on routine has four main steps. • Step 1: LED check. • Step 2: Battery charge state check. • Step 3: Function check of H-field sensor. • Step 4: Function check of E-field sensor. The end of each step and the beginning of the next is signaled by a “beep”. …… TIP …... The function checks of the H and E-field sensors are only useful if a test generator is used. The field sensors are activated separately in these two final steps, so they can be independently tested.

  16. Using the RadMan Switching On: Set the yellow on/off switch to the “ON” position. After Switching On: • 100% LED means: More than 75% battery capacity available. • 50% LED means: More than 50% battery capacity available. • 25% LED means: More than 25% battery capacity available. • 12.5% LED means: Less than 25% battery capacity available. 1. The LEDs light up briefly one after another, starting with the 12.5% LED. (A<beep>is then heard) 2. One of the four LEDs will light up indicating the battery charge state: NO LED MEANS BATTERIES NEEDS CHANGING. (The remaining operation time is just a few more hours.) <beep>

  17. Using the RadMan 3. The H-field sensor is activated; the E-field sensor is inactive. <beep> 4. Now the E-field sensor is activated; and the H-field sensor is inactive. <beep> <beep> (double “beep”) The switch-on phase is complete. The instrument is now ready for use.

  18. Using the RadMan Normal Operation: • The E and H fields are measured simultaneously during operation. • The larger of the two values is displayed. • If electromagnetic radiation is present, the RadMan indicates the magnitude of the radiation level by means of four LEDs. (Alarms are also signaled by a beep from the loudspeaker.) …….. TIP …….. If you want to measure the E and H fields separately, switch the unit off and then on again. The effective H-field is displayed briefly during step 3 of the switch-on routine. The effective E-field is displayed briefly during step 4.

  19. Using the RadMan RadMan indicates operational readiness every 10 seconds: • The highest measured value of electromagnetic radiation was below 25% of the power density permitted by the relevant standard. • The instrument is operating correctly. Operational readiness is indicated by an LED which depends on the electromagnetic radiation that has occurred or been measured. This also allows the magnitude of the highest measured value of electromagnetic radiation to be read (Max Hold). • Brief flashing of the 12.5% LED means:

  20. PPE 1910.132 • No single combination of protective equipment and clothing is capable of protecting against all hazards. Thus, PPE should be used in conjunction with other protective methods. The use of PPE can itself create significant worker hazards, such as heat stress, physical and psychological stress, and impaired vision, mobility, and communication.

  21. Using the RadMan • Brief flashing of the 25% LED means: • The highest measured value of electromagnetic radiation was at least 50% (but less than 100%) of the power density permitted by the relevant standard. • The instrument is operating correctly. • The highest measured value of electromagnetic • radiation was at least 25% (but less than 50%) of the • power density permitted by the relevant standard. • The instrument is operating correctly. • Brief flashing of the 50% LED means:

  22. Using the RadMan • Brief flashing of the 100% LED means: • The highest measured value of electromagnetic radiation was at least 100% of the power density (Note it could be over 1000% of the field strength) permitted by the relevant standard. …...NOTE …... If the battery capacity is only sufficient for a few more hours of operation, the LED display of operational readiness is replaced by a brief “beep” from the loudspeaker.

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