Agilent Technologies E7495B RF Manual do Utilizador descarregar pdf (Página 7)

Occupational safety - EME Guard

A user friendly and ﬂ exible

instrument

The EME Guard Analysis software deﬁ nes two user

proﬁ les:

➊ Administrator mode, gives additional rights to

conﬁ gure the device to requirements (threshold deﬁ nition).

➋ User mode, enables download and visualization of

measurements recorded in the embedded memory of the

device.

The Administrator can customize the device according to

the thresholds deﬁ ned by his own guidelines.

> Only the Administrator is given right of access to

device conﬁ guration and customize.

STEP 1: Deﬁ ne the reference threshold that will trigger the

visual alarm. The 4 warning lights are activated as soon

as exposure level attains 25%, 50%, 75% and 100% of

the chosen reference threshold.

STEP 2: Deﬁ ne the thresholds that will trigger the audio

and vibrating alarms:

Over a 6 minute mean: the alarm is triggered as soon

as the mean calculated over the preceding 6 minutes

exceeds the predetermined threshold. This 6 minute

calculation is the reference duration which conforms to

the ICNIRP recommendations.

Or:

Instantaneous: as soon as a measurement exceeds the

threshold, the alarms are triggered.

STEP 3: Deﬁ ne the recording period.

STEP

4: Start the device (ON/OFF button) and perform

measurements.

STEP

5: Import the measurements in the form of secure

ﬁ les using a USB cable and display the results.

High performance probe for accurate

measurements

The EME Guard is equipped with a triaxial probe which

guarantees measurement isotropy. Each device comes

with a calibration report. The performance of this sensor

has been optimized to ensure maximum isotropy.

Isotropy at 1400 MHz

Alarm front view

Isotropy at 2100 MHz

The measurement

ﬁ les are downloaded

on the PC’s hard disc

as binary ﬁ les,

thus ensuring the

safety of historical

data.

EMF_01_11_v2.indd Sec1:5EMF_01_11_v2.indd Sec1:5 20/01/11 13:16:0420/01/11 13:16:04

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