CONFIDENTIAL R.S.I. CORPORATION University Based Safety Training Personal Monitors.
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Transcript of CONFIDENTIAL R.S.I. CORPORATION University Based Safety Training Personal Monitors.
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
University Based Safety Training
Personal MonitorsPersonal Monitors
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
FCC/OSHAFCC/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.
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0.3 1 3 10 30 100 300 1 3 10 30 1000.3 1 3 10 30 100 300 1 3 10 30 100 0.3 1 3 10 30 100 300 1 3 10 30 1000.3 1 3 10 30 100 300 1 3 10 30 100
MHzMHzMHzMHz GHzGHzGHzGHz
100100100100
10101010
1111
5555
30303030
.2.2.2.2
mW/cmmW/cm22
mW/cmmW/cm22
AM FM
MPE LAW
Controlled =100%Controlled =100%
Uncontrolled
FCC RulemakingFCC RulemakingFCC RulemakingFCC Rulemaking
Both E&HBelow 300MHz
6 Min TWA
30Min TWA
Cellphones20% reading is OSHA’S ACTION LIMIT
20%
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CONFIDENTIAL R.S.I. CorporationCONFIDENTIAL R.S.I. CorporationCONFIDENTIAL R.S.I. CorporationCONFIDENTIAL R.S.I. Corporation
Personal MonitorsPersonal Monitors Personal MonitorsPersonal Monitors
Provide Personal Monitoring Provide Personal Monitoring for areas where RF may be for areas where RF may be present. (PPM’s)present. (PPM’s)
ManyMany areare narrow in band narrow in band widthwidth (w/limited frequency (w/limited frequency response only E or H field) response only E or H field) and not fully isotropicand not fully isotropic ( (may may not be accurate in near not be accurate in near field).field).
SM
R ad iatio n L ab o rato rie s
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
PPE UsePPE Use
PPE can offer a high degree of protection
only if it is used properly.
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R.S.I. CorporationR.S.I. CorporationR.S.I. CorporationR.S.I. Corporation
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Confidential RSI CorporationConfidential RSI Corporation
ELECTRIC Narda 8848
Narda 8862xt Electric
Page 8
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
PPE 1910.132PPE 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.
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LESS than 6 Min.
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
NARDA 8860
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
E-Only
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
Rad Rad ManMan
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL 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 Rad ManMan
*Standard = FCC 96-326, occupational
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL 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 Rad ManMan
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
Using the RadManUsing 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 twofinal steps, so they can be independently tested.
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL 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 RadManUsing the RadMan
Switching On:Set the yellow on/off switch to the “ON” position.
After Switching On:
<beep>
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 <beep> is then heard)
2. One of the four LEDs will light up indicating the battery charge state:
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
3. The H-field sensor is activated; the E-field sensor is inactive.
Using the RadManUsing the RadMan
<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.
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL 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 RadManUsing 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.
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL 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 RadManUsing the RadMan
RadMan indicates operational readiness every 10 seconds:
Operational readiness is indicated by an LED which depends onthe electromagnetic radiation that has occurred or been measured.
This also allows the magnitude of the highest measured value ofelectromagnetic radiation to be read (Max Hold).
• Brief flashing of the 12.5% LED means:
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
PPE 1910.132PPE 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.
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL R.S.I. CORPORATION
Using the RadManUsing 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:
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CONFIDENTIAL R.S.I. CORPORATIONCONFIDENTIAL 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 RadManUsing the RadMan
• Brief flashing of the 100% LED means:
…... NOTE …...If the battery capacity is only sufficient for a few morehours of operation, the LED display of operational readiness is replaced by a brief “beep” from the loudspeaker.
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