Related Manuals for Extech Instruments SL250W
Summary of Contents for Extech Instruments SL250W
- Page 1 User Manual SL250W Sound Meter Bluetooth® Connectivity with the ExView® Mobile App...
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Page 2: Table Of Contents
Table of contents Introduction................1 Safety ................2 FCC Compliance ..............3 Product Description ............4 Meter Description ............4 Function Buttons ............4 Display Symbols............5 Operation ................6 Powering the Meter ............. 6 Auto Power Off (APO)..........6 Taking Measurements ..........6 Fast/Slow Response ........... 7 Data Hold Function ............. -
Page 3: Introduction
Introduction Thank you for selecting the Extech SL250W Sound Meter. This meter meas- ures sound level with its built-in microphone, situated at the top of the meter. Sound level measurements are shown on the backlit LCD in decibel (dBa) units. -
Page 4: Safety
Safety Please read all safety information before using this device CAUTION • Check for damage to the device’s housing, sensor, display, and battery compartment before use. If obvious damage or abnormalities are noticed, please discontinue use and return the device for service. •... -
Page 5: Fcc Compliance
FCC Compliance This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. -
Page 6: Product Description
Product Description 4.1 Meter Description 1. Microphone with wind screen attached 2. Backlit LCD (detailed below) 3. Function buttons (detailed below) 4. Tripod mount 5. Battery compartment 4.2 Function Buttons Power / Bluetooth button Long press to switch the device on. Short press to switch off. With the meter powered, long press to switch Bluetooth on/off. -
Page 7: Display Symbols
Product Description FAST / SLOW button Short press to toggle the Fast and Slow modes. In Fast mode (125 ms) sounds that peak very quickly, such as a firework ignition or a rifle dis- charge, can be captured. Slow mode (1 second) is intended for sounds that are continuous, such as the drone of machinery. -
Page 8: Operation
Operation 5.1 Powering the Meter The meter operates on three (3) 1.5 V (AAA) batteries, installed in the rear compartment. Long press the power button to switch the meter on. Short press the power button to switch the meter off. If the meter does not switch on, check the bat- teries for proper orientation. -
Page 9: Fast/Slow Response
Operation 5.4 Fast/Slow Response Short press the Fast/Slow button to toggle the meter’s response time. Use the Fast response mode (125 ms) to capture sounds that peak very quickly such as fireworks. Use the Slow response mode (1 second) to monitor consistent sounds such as the hum, or drone, of machinery. -
Page 10: Maintenance
Maintenance CAUTION Warning: Do not open the housing or microphone module. Service should only be per- formed by factory personnel, there are no user-serviceable components in this device. 6.1 General Cleaning Wipe the housing with a damp cloth as necessary to clean. Do not use abra- sives or solvents to clean this device. -
Page 11: Specifications
Specifications 7.1 General Specifications Display 4 digit (9999) backlit multifunction LCD Over range indication OL is displayed when measurements are above the specified measurement range. UN is displayed when sounds are below the specified range. Low battery indication Battery symbol appears when batteries are low Reading update rate Fast mode: One reading every 125 ms... -
Page 12: Connectivity Specifications
Specifications 7.4 Connectivity Specifications Connectivity Bluetooth (with ExView app) ExView app compatibility iOS 13.0 and Android 9.0 or higher Transmission distance Up to 295.3 ft. (90 m) with no line-of-sight obstruction #NAS100077; r. AA/78958/78963; en-US... -
Page 13: Two-Year Warranty
Two-year Warranty FLIR Systems, Inc. warrants this Extech brand instrument to be free of defects in parts and workmanship for two years from date of shipment (a six- month limited warranty applies to sensors and cables). To view the full war- ranty text please visit: http://www.extech.com/support/warranties. - Page 14 #NAS100077; r. AA/78958/78963; en-US...
- Page 16 User Manual last page Website http://www.flir.com Customer support http://support.flir.com Copyright © 2021, FLIR Systems, Inc. All rights reserved worldwide. Disclaimer Specifications subject to change without further notice. Models and accessories subject to regional market considerations. License procedures may apply. Products described herein may be subject to US Export Regulations.
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