ATP Electronics ET-933 User Manual Download Page 8 | Manualshive

Page: 8 / 16

ATP Electronics ET-933 User Manual Download Page 8

5

5. LCD Display Description

①

Under-range icon

②

MAX hold

③

Min hold

④

Fast sampling time icon

⑤

Slow sampling time icon

⑥

Over-range icon

⑦

Level range display

⑧

Analog bar

⑨

Measurement reading

⑩

Battery icon

⑪

Auto range icon

⑫

Data hold icon

⑬

dBC icon

⑭

dBA icon

⑮

Auto power off icon

«
...
6
7
8
9
10
...
»

Summary of Contents for ET-933

Page 1: ...User Manual Professional Sound Level Meter Please read this user manual thoroughly before using this unit and keep it for your future reference ...

Page 2: ......

Page 3: ...ents 1 Safety 1 2 Applications and Features 2 3 Specifications 3 4 Meter Description 4 5 LCD Display Description 5 6 Operation Instruction 6 7 Calibration 9 8 Basic Operation 10 9 Notes 11 10 Accessories 12 ...

Page 4: ...se the warranty may be invalidated Environment conditions Altitude up to 2000 meters RH 90 Non Condensation Operating Temperature 20 C 60 C Maintenance Repairs or servicing should only be performed by ATP Instrumentation Ltd Cleaning Wipe the unit with a dry soft cloth Do not use abrasives or solvents on this instrument Safety Symbol Complies with EMC ...

Page 5: ...ment requirements of safety engineers health and safety legislation industrial safety officers and sound quality control in various environments like factories schools construction sites etc Max Min Data Hold Over range indication Under range indication A C Weighting FAST SLOW response ...

Page 6: ...CD display with a resolution of 0 1dB Frequency weighting A C Data update 2 times per second Alarm function OVER input is more than upper range limit UNDER input is less than lower range limit Auto power off Meter automatically shuts down after approx 15 minutes inactivity Power supply 1x 9V battery 006P or IEC 6F22 or NEDA 1604 Battery life at least 30 hours Operating conditions 20 60 10 RH 90 RH...

Page 7: ...4 4 Meter Description Microphone LCD display Frequency weighting A C selection key MAX MIN Key Range Level selection key Response time FAST SLOW selection key Power ON OFF key Battery Compartment ...

Page 8: ...nder range icon MAX hold Min hold Fast sampling time icon Slow sampling time icon Over range icon Level range display Analog bar Measurement reading Battery icon Auto range icon Data hold icon dBC icon dBA icon Auto power off icon ...

Page 9: ... the meter on momentarily press the key the backlight will turn on off It will automatically turn off after approx 30 seconds of inactivity 3 Frequency weighting A C selection Press key to select A or C dBA A frequency weighting designed to reflect the response of the human ear to noise which is most sensitive between 500Hz and 6000Hz dBC C frequency weighting commonly used to measure peak sound p...

Page 10: ... 1 time per second 5 MAX MIN With the meter powered on press and hold the button for 3 seconds to enter MAX measurement After 3 seconds release the button while the flashing MAX icon appears on the LCD The maximum measured value will be displayed Press the button again to alternate back and forth between MIN and MAX modes Press and hold the button for 3 seconds to exit MAX MIN measurement mode ...

Page 11: ...D icon will appear on the LCD which indicates the data is frozen To release the held reading press the button again 7 Level range selection Press the key and the level range will change from Lo Med Hi to Auto in turn Lo 30dB 80dB Med 50dB 100dB Hi 80dB 130dB Auto 30dB 130dB ...

Page 12: ...9 7 Calibration The recommended recalibration period is 1 year Calibration repairs or servicing should only be performed by ATP Instrumentation Ltd ...

Page 13: ...ound levels or dBC for measuring peak sound levels 4 Select FAST for instant response or SLOW for an average sound level over 1 second 5 Select the button to view the maximum and minimum noise level readings 6 Hold the meter in hand or use the tripod to affix the meter in the desired location The best measuring distance is 1m to 1 5m away from the sound source to the microphone ...

Page 14: ...will affect the noise measurement Use the supplied wind muffler to cover the microphone during applications involving turbulent air 4 Keep microphone dry and avoid severe vibration 5 If the date and time automatically reset to the default setting after powering the meter on this indicates the battery power is low The meters battery should then be replaced 6 When the low battery icon appears replac...

Page 15: ...12 10 Accessories User Manual Wind Muffler Regulator Rod 9V battery ...

Page 16: ...tation Ltd Tournament Way Ashby de la Zouch Leicestershire LE65 2UU Sales 01530 566 800 sales atp instruments co uk Repair and Calibration 01530 566 804 technical atp instruments co uk www atp instrumentation co uk ...

Reviews:

No comments