Castle group GA213, Руководство пользователя

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CONTENTS
TITLE PAGE NO
KEYPAD LAYOUT 1
INTRODUCTION 2
USING THE MANUAL 2
BATTERY INSTALLATION 3
THE MICROPHONE 3
SWITCHING ON AND OFF 4
ACTIVATING BUTTONS 4
CALIBRATION 5
DISPLAYING PARAMETERS 6
LOCKING THE INSTRUMENT 8
CONTRAST CONTROL 8
PAUSING/ PLAYING 8
RESETTING PARAMETERS 9
CHANGING RANGE 10
FREQUENCY/ TIME WEIGHTING 10
CRITERION/ EXCHANGE 11
INSTRUMENT STATUS 12
TECHNICAL SPECIFICATIONS 13
WARRANTY AND AFTER SALES SERVICE 19
Effect of Temperature:
Accuracy better than ± 0.5 dB over the range -10 to +50°C when corrected as indi-
cated here:
The temperature correction to be applied for GA601 / GA607 and microphone:
Corrected level = Actual level – 0.05(t-20)
Where t is the temperature in °C
Effects of Humidity:
Less than 0.5 dB over the range 25 to 90% relative humidity (provided there is no
Condensation), relative to the value at 50% relative humidity and 40°C.
Storage range: 0 to 90% relative humidity in the absence of condensation
Vibration:
Effect From 20Hz to 1kHz at 1ms
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no noticeable effect
Humidity:
Effect < 0.5 dB from 30% RH to 90% RH
Magnetic Field:
Effect No noticeable effect
Body in Free Field:
Effect No noticeable effect
Windshield:
Attenuation < 0.2 dB
Battery: 1x MN1604 (size PP3) alkaline cell
Life: 20 hours continuous use (approx) based upon bench tests with procell
MN1604 batteries
Overall Dimensions:
Dimensions 210mm x 60mm x 35mm (approx.)
Weight 220g including batteries
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