User Guide Ultrasonic Distance Finder Extech DT100
Contents
1. C 7 When measuring between 40 and 50 12m and 15m the relative humidity should be above 50 and the target area at least 10ft x 10ft 3m x 3m 8 Inaccurate measurements may result from any of the following a Low battery b Measured distance exceeds specified range 1 5 to 50 0 5 to 15m Interference from other ultrasonic sources d Meter is not held perpendicular to the target Long narrow corridors f Irregulat objects near the target 9 An error message Err will appear in the display when a The measured distance or calculation exceeds the specified range b The instrument is held at a wide angle to the target c The target surface is not reflective i e soft and irregular surface such as carpet curtains or irregular wall paper 4 Model DT100 EU EN V4 2 6 09 Preparation for Measurements Slide the ON OFF switch to the ON position Press the FT m button to select the displayed units as Meters or Feet Inches Press the Fm Bm button to select the Front top of meter or Base bottom of meter distance reference In the Front mode of operation the displayed reading will represent the distance from the top of the meter to the target In the Back mode of operation the displayed reading will represent the distance from the bottom of the meter to the target Distance Measurements PO eS Point the meter at the target Press and Hold the READ button The meter will continuously d2. Laser diode Class Illa Class 2 red laser 630 to 670nm Battery 9V alkaline battery Operating conditions 0 to 39 C 39 to 102 F Dimensions 136 x 61 5 x 44mm 5 4 x 2 4 x 1 7 Weight Approximately 117g 4 1 oz excluding battery Recommended use For indoor use only Range Specifications Distance Range 0 5 to 15m 1 8 to 50 Resolution 0 01m 0 1 Accuracy 0 3 1 least significant display digit within 6m 20 Displayed Calculation Ranges Length 99 99m 99 11 Area 999 99m 999 99 sq ft Volume 999 99m 999 99 cu ft Calculation rounding Calculations are rounded up or down 2 least significant digits Copyright 2006 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 8 Model DT100 EU EN V4 2 6 09
3. Press ESC to continue 5 Model DT100 EU EN V4 2 6 09 Volume Calculation The DT100 allows the user to compute the volume of a room 1 Press the VOL button 2 An T will flash in the display on the three dimensional box icon to indicate that a Length measurement is to be taken 3 Press READ to take the room length measurement 4 A W will now flash to indicate that a Width measurement is to be taken next 5 Press the READ button to measure the room width 6 An H will now flash to indicate that a Height measurement is to be taken next 7 Press the READ button to measure the room height 8 The Volume will be indicated in the lower portion of the meter s display 9 To redo the Volume measurement press the ESC button and then repeat steps 1 through 6 10 To enter anew mode of operation press the ESC button and proceed to a new task 11 To store a reading in memory press the M1 M2 or M3 key to select a memory location A short beep will sound indicating that the memory was stored 12 Press ESC to continue Storing Readings in Memory Locations M1 M2 and M3 The DT100 allows the user to store up to three 3 readings in memory for later recall 1 Take a reading as previously described 2 With the reading displayed press the STORE button The M1 M2 and M3 indicators will appear in the display 3 Press the M1 M2 or M3 button to select a memory location to save the currently displayed reading A short beep
4. User Guide EXTECH INSTRUMENTS A FLIR COMPANY Ultrasonic Distance Finder Extech DT100 Distance WEASURG f A DT100 l E 1 mem es ESC J 2 voL Js Introduction Congratulations on your purchase of the Extech Model DT100 Ultrasonic Distance Finder This meter measures distance up to 50 ft 15m calculates area and volume and has a built in flashlight In addition the DT100 includes a laser pointer for more accurate targeting when taking measurements This meter is shipped fully tested and calibrated and with proper use will provide years of reliable service Safety Instructions This meter has been designed for safe use but must be operated with caution ABE AVOID EXPOSURE LASER RADIATION DO NOT STARE INTO BEAM Ultrasonic Distance Meter OUTPUT lt 1mW WAVELENGTH 630 670 nm CLASS 2 LASER PRODUCT Complies with FDA 21 CFR 1040 10 and 1040 11 IEC 60825 1 2001 08 Edition 1 2 EN 60825 1 1994 A11 1996 A2 2001 A1 2002 EXTECH INSTRUMENTS 285 Bear Hill Rd Waltham MA 02451 WARNING Do not directly view or direct the laser pointer at an eye Low power visible lasers do not normally present a hazard but may present some potential for hazard if viewed directly for extended periods of time Model DT100 EU EN V4 2 6 09 Meter Description Flashlight Ultrasonic tester Laser Pointer LCD display area CO ONOaAAWN gt Base referen
5. ce edge Measure and Laser Pointer button Flashlight activation button Meter ON OFF switch Keypad see separate description Note The battery compartment is located on the rear of the instrument Display Description 1 Area in ft or m 7 Memory indicators 12 3 4 5 7 8 2 Low battery indicator 8 Front measurement X 3 Addition indicator 9 Volume in ft or m ipa ae 2 i MI 4 Distance feet indicator 10 Memory area volume H 888 M3 4 5 Distance inch indicator 11 Area Volume units VOL rere 6 Distance meter indicator 12 Base measurement Sata a 9 10 11 12 Keypad Description R Feet Meters Conversion me Memory 2 anea Area Computation Escape m Memory 1 srone Memory Store E Front Base distance reference w Memory 3 f Memory Clear ano Distance Addition G Volume Computation N Model DT100 EU EN V4 2 6 09 Operating Instructions Notes and Measurement Considerations 1 For best results choose a target that is flat hard and smooth Use a piece of cardboard or similar material if the target size needs to be increased Replace the battery if the battery icon appears in the display The meter will not measure through glass Always measure perpendicular to the target Do not point at an angle l EE Oh EAN 6 Surfaces parallel to the measurement beam should be at least 4 10cm from the side top or bottom of the meter
6. eaning solvents or detergents Use only fresh batteries of the correct type Remove old or weak batteries so they do not leak and damage the unit If the meter is to be stored for long periods the batteries should be stored separately to prevent damage to the unit Battery Installation Replacement When the low battery symbol appears on the display or when the display does not switch ON replace the 9V battery 1 2 3 4 Slide the ON OFF switch to OFF before replacing the battery Slide down the rear battery compartment cover Un snap the old battery and replace with a fresh one Replace the battery compartment cover You as the end user are legally bound Battery ordinance to return all used batteries and accumulators disposal in the household garbage is prohibited You can hand over your used batteries accumulators at collection points in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Auto Power OFF When the READ button is released during a test the measurement value remains on the LCD for 60 seconds After 60 seconds the meter automatically shuts OFF this is to preserve the battery Slide the ON OFF switch from OFF to ON in order to start another test after the Auto Power OFF timer turns the instrument OFF 7 Model DT100 EU EN V4 2 6 09 Specifications General Specifications
7. isplay and update the distance in the display Release the READ button and the last reading will remain in the display for 60 seconds Adding multiple measurements A series of measurements can be taken and summed This feature is useful for distances greater than 15m 50 which is the instrument s distance limit 1 arf wD Press the READ button to take the first measurement Press the ADD button will appear in the display Press the READ button again to take another measurement The sum of the two measurements will now be indicated on the meter s display Repeat steps 2 and 3 as needed to a display limit of 99 99m 99 11 Area Calculation The DT100 allows the user to compute the area of a room 10 Press the AREA button An L will flash in the display on the two dimensional box icon to indicate that a Length measurement is to be taken Press READ to take the room length measurement A W will now flash to indicate that a Width measurement is to be taken next Press the READ button to measure the room width The Area will be indicated in the lower portion of the meter s display To redo the Area measurement press the ESC button and then repeat steps 1 through 6 To enter a new mode of operation press the ESC button and proceed to a new task To store a reading in memory press the M1 M2 or M3 key to select a memory location A short beep will sound indicating that the memory was stored
8. will sound indicating that the reading was stored 4 Press the ESC button at any time to abort the storage session 5 If areading exists in a particular memory location saving to it again will overwrite the existing reading 6 Readings are not saved after the meter is turned off Viewing Stored Reading Simply press the M1 M2 or M3 button to view the reading currently stored in that location Clearing Stored Readings 1 Press the M1 M2 or M3 button to access a memory location and view the reading that is to be erased 2 Press the CLR button to erase the currently selected memory location Flashlight 1 Slide the ON OFF switch to the OFF LIGHT position 2 Press the LIGHT button on the side of the meter to turn the flashlight on 6 Model DT100 EU EN V4 2 6 09 Maintenance WARNING Do not operate the meter until the battery compartment cover is in place and fastened securely This instrument is designed to provide years of dependable service if the following care instructions are performed E 2 3 Keep the meter dry and free from dust Use and store the meter in nominal temperature conditions Temperature extremes can shorten the life of the electronic parts and distort or melt plastic parts Handle the meter carefully and avoid shock and vibration Dropping the meter may damage the electronic parts or the case Keep the meter clean Wipe the case occasionally with a damp cloth DO NOT use chemicals cl
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