REED ST-8850 Скачать руководство пользователя страница 2

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Table of Contents

Safety..........................................................................................2-3

Features.......................................................................................... 3

Specifications

................................................................................. 4

Instrument & Function Description

..............................................5-7

Operating Instructions

.................................................................8-9

Calibration Procedures ........................................................................... 8

Operating Precautions ............................................................................ 9

Measurement Procedures ...................................................................... 9

Battery Replacement

.................................................................... 10

For service on this or any other REED product or information on other 
REED products, contact REED Instruments at [email protected].

 Safety

Read the following safety information carefully before attempting to oper

-

ate or service the meter. Use the meter only as specified in this manual; 
otherwise, the protection provided by the meter may be impaired.

Environment conditions

•  Altitude lower than 2000 meters
•  Relatively humidity ≤90%RH
•  Operation Ambient 0 ~ 40°C

continued ...

Содержание ST-8850

Страница 1: ...reedinstruments www com Model ST 8850 Sound Level Meter Instruction Manual...

Страница 2: ...this or any other REED product or information on other REED products contact REED Instruments at info reedinstruments com Safety Read the following safety information carefully before attempting to o...

Страница 3: ...only specified replacement parts Complies with EMC Features This Sound Level Meter has been designed to meet the measurement requirements of safety engineers health industrial safety offices and soun...

Страница 4: ...range 65dB Alarm function OVER is show when input is out of range Maximum hold Hold readings the Maximum Value with decay 1dB 3minutes AC output 0 65 Vrms at FS full scale Output impedance Approx 600...

Страница 5: ...wind speed over 10m sec please put protective accessories the windscreen provided in front of the microphone 2 Display SYMBOL FUNCTION LCD 4 digits MAX Maximum Value hold OVER Over range F Fast respon...

Страница 6: ...ing the low frequency content of noise If the C Weighted level is much higher than the A Weighted level then there is a large amount of low frequency noise CAL 94dB Calibration using the internal osci...

Страница 7: ...OUTPUTS Two outputs can be accessed through a 3 5mm stereo phone plug refer DC output Logarithmic signal 10mV dB Impedance 100 AC output Approx 0 65Vrms corresponding to each range step Impedance 100...

Страница 8: ...old Mode function disable 2 Insert the microphone housing carefully into the insertion hole of the calibrator 3 Turn on the switch of calibrator 94dB 1kHz and adjust the CAL potentiometer of the unit...

Страница 9: ...back of the meter and install a 9 volt battery in the battery compartment 2 Turn the power on and select the desired response time and weight ing If the sound source consists of short bursts or if it...

Страница 10: ..._____ ________________________________________________ ________________________________________________ ________________________________________________ _______________________________________________...

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