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Summary of Contents for Biral BTD-300
- Page 1 BTD-300 Thunderstorm Detector Field Test Unit USER MANUAL Page 1 of 7...
- Page 2 The information contained within this manual (including all illustrations, drawings, schematics and parts list) is proprietary to Biral. It is provided for the sole purpose of aiding the buyer or user in the operation and maintenance of the instrument. This information is not...
- Page 3 1 CONTENTS CONTENTS ........................3 INTRODUCTION ......................4 Setup ........................... 5 Operation ..........................6 Overhead Lightning..................... 6 Vicinity Lightning ....................... 6 Distant Lightning......................6 Charged Precipitation ....................6 Strong Electric Field....................7 Automatic Ratio Calibration ..................7 Page 3 of 7...
- Page 4 2 INTRODUCTION This document serves as instruction on how to use the BTD-300 Field Test Unit. The Field Test Unit is a battery operated device which requires 2 x AA alkaline batteries (batteries supplied). Unscrew the 2 lower countersunk screws on the back of the Field Test Unit to gain access to the battery compartment.
- Page 5 3 Setup It is intended that the BTD-300 is tested at its final installation position. If the unit is tested in a building prior to installation it must be recognised that local interfering signals may prevent the BTD-300 from detecting one or both of the expected test signals from each of the lightning tests.
- Page 6 4 Operation Up to five separate tests are available using the BTD-300 Field Test Unit. Three of those are related to lightning tests and give a signal which simulates a lightning strike from various distances. These tests are single event tests and are triggered by a single long button press. It is recommended that the buttons are pressed for the duration indicated in each test mentioned below to enable the charge to fully dissipate into the BTD-300.
- Page 7 Tertiary antenna will prevent this lightning detection indication. Automatic Ratio Calibration It should be noted that the BTD-300 may automatically adjust the calibration ratios to suit local conditions if five or more suitable lightning flashes are detected within a period of fifteen minutes which indicate that a change would be beneficial for system performance.
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