Presentation on theme: "CONFIDENTIAL R.S.I. CORPORATION University Based Safety Training Personal Monitors."— Presentation transcript:
CONFIDENTIAL R.S.I. CORPORATION University Based Safety Training Personal Monitors
CONFIDENTIAL R.S.I. CORPORATION 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.
0.3 1 3 10 30 100 300 1 3 10 30 100 MHzMHz GHzGHz 100100 1010 11 55 3030.2.2 mW/cm 2 AM FM MPE LAW Controlled =100% Uncontrolled FCC Rulemaking Both E&H Below 300MHz 6 Min TWA 30Min TWA Cellphones 20% reading is OSHAS ACTION LIMIT 20%
CONFIDENTIAL R.S.I. Corporation Personal Monitors 4Provide Personal Monitoring for areas where RF may be present. (PPMs) 4Many are narrow in band width (w/limited frequency response only E or H field) and not fully isotropic (may not be accurate in near field).
CONFIDENTIAL R.S.I. CORPORATION PPE Use PPE can offer a high degree of protection only if it is used properly.
Confidential RSI Corporation ELECTRIC Narda 8848 Narda 8862xt Electric Page 8
CONFIDENTIAL R.S.I. CORPORATION 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.
CONFIDENTIAL R.S.I. CORPORATION 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. Rad Man * Standard = FCC 96-326, occupational
CONFIDENTIAL R.S.I. CORPORATION 3 Year Calibration ( some are 1 or 2 years, check your unit). Uses standard batteries. Simultaneous E and H-field measurement. Rad Man
CONFIDENTIAL R.S.I. CORPORATION Using the RadMan 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 switch on routine has four main steps. The end of each step and the beginning of the next is signaled by a beep. Automatic Switch On Routine: …… 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.
CONFIDENTIAL R.S.I. CORPORATION 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. Using the RadMan Switching On: Set the yellow on/off switch to the ON position. After Switching On: NO LED MEANS BATTERIES NEEDS CHANGING. (The remaining operation time is just a few more hours.) 1. The LEDs light up briefly one after another, starting with the 12.5% LED. (A is then heard) 2. One of the four LEDs will light up indicating the battery charge state:
CONFIDENTIAL R.S.I. CORPORATION 3. The H-field sensor is activated; the E-field sensor is inactive. Using the RadMan 4. Now the E-field sensor is activated; and the H-field sensor is inactive. (double beep) The switch-on phase is complete. The instrument is now ready for use.
CONFIDENTIAL R.S.I. CORPORATION 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.) Using the RadMan Normal Operation: …….. 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.
CONFIDENTIAL R.S.I. CORPORATION –The highest measured value of electromagnetic radiation was below 25% of the power density permitted by the relevant standard. –The instrument is operating correctly. Using the RadMan RadMan indicates operational readiness every 10 seconds: 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:
CONFIDENTIAL R.S.I. CORPORATION 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.
CONFIDENTIAL R.S.I. CORPORATION Using the RadMan 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. Brief flashing of the 25% LED means: – The instrument is operating correctly. Brief flashing of the 50% LED means:
CONFIDENTIAL R.S.I. CORPORATION 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. Using the RadMan Brief flashing of the 100% LED means: …... 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.