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Table 22: electromagnetic compatibility (emc) – Spectrex 40/40L-LB UV/IR Flame Detector Series User Manual

Page 60

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UV/IR Flame Detector User Guide

48

Environmental Specifications

Humidity

Designed to meet MIL-STD-810C, method
507.1, procedure IV

Relative humidity of up to 95% for the
operational temperature range

Salt Fog

Designed to meet MIL-STD-810C, method
509.1, procedure I

Exposure to a 5% Salt Solution Fog for
48 hours

Dust

Designed to meet MIL-STD-810C, method

510.1, procedure I

Exposure to a dust concentration of 0.3
frames/cubic ft. at a velocity of 1750 fpm, for

12 hours

Vibration

Designed to meet MIL-STD-810C, method

514.2, procedure VIII

Vibration at an acceleration of 1.1g within the
frequency range of 5-30 Hz, and an

acceleration of 3g within the frequency range
of 30-500 Hz

Mechanical Shock

Designed to meet MIL-STD-810C, method

516.2, procedure I

Mechanical Shock of 30g half-sine wave, for
11 msec

Electromagnetic

Compatibility (EMC)

See Table 22

Table 22: Electromagnetic Compatibility (EMC)

Test Standard

Level Per

Electrostatic Discharge ESD

IEC 61000-4-2

IEC 61326-3

Radiated EM Field

IEC 61000-4-3

IEC 61326-3

Electrical Fast Transients

IEC 61000-4-4

IEC 61326-3

Surge

IEC 61000-4-5

IEC 61326-3

Conducted Disturbances

IEC 61000-4-6

IEC 61326-3

Power Ferq. Magnetic Field

IEC 61000-4-8

IEC 61326-3

Radiated Emission

IEC 61000-6-3

EN 55022

Conducted Emission

IEC 61000-6-3

EN 55022

Immunity to Main Supply

Voltage Variations

MIL-STD-1275B

To fully comply with EMC directive and protect against interference caused
by RFI and EMI, the cable to the detector must be shielded and the detector

must be grounded. The shield should be grounded at the detector end.