Related Manuals for MREL HANDITRAP II
Summary of Contents for MREL HANDITRAP II
- Page 1 Operations Manual Edition 4.0 MREL GROUP OF COMPANIES LIMITED 5-779 Sir John A MacDonald Blvd. Kingston, Ontario K7L 1H3 Canada T: +1-613-545-0466 E: contact@mrel.com www.mrel.com...
- Page 2 Copyright Information MREL Group of Companies Limited (MREL) warrants that the product is free from Manufacturer’s defects for a period of one (1) year from the date of shipment to the Customer. This Warranty covers all parts and labour. MREL does not warrant that the product will meet the Customer’s requirements, or that it will operate in the combinations which may be selected by the Customer.
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Page 3: Table Of Contents
3.1.5 External Trigger Adapter HandiTrap II™ VOD Recorder Internal Rechargeable Battery Recharing the HandiTrap II™ VOD Recorder Long Term Storage Considerations VOD Resistance Probes Used by the HandiTrap II™ VOD Recorder 3.5.1 VOD PROBEROD 3.5.2 VOD PROBECABLE-HT RG-58/U Coaxial Cable and Portable Cable Reel 3.6.1... - Page 4 7.3.5 Charing for a Precise Amount of Time 7.3.6 Using Timed Charging with the HandiTrap II™ VOD Recorder Chapter 8: Contacting MREL for Technical Support Contacting MREL H a n d i T r a p I I ™ O p e r a t i o n s M a n u a l - E d i t i o n 4 . 0...
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Page 5: Chapter 1 Getting Started
Chapter 1 Getting Started T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com... -
Page 6: Ensuring That All Hardware Has Been Received
Over view This Chapter provides a quick start guide to the HandiTrap II™ VOD Recorder. All of the steps detailed in this Chapter should be completed before the Operator goes into the field to conduct a test: 1. Ensure that all HandiTrap II™... -
Page 7: Chapter 2 Introduction
Chapter 2 Introduction T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com... -
Page 8: Background
Over view This Chapter provides an introduction to the HandiTrap II™ VOD Recorder. 2.1 Background is a portable, 1 channel, high resolution, explosives continuous recorder that has proven its HandiTrap II™ VOD Recorder reliability under the extreme temperature, weather, dust and rugged conditions that characterize blasting environments around the world. -
Page 9: Applications For The Handitrap Ii™ Vod Recorder
• • Determine the minimum booster size for any explosive by measuring run-up velocities. 2.3.2 The main applications of the HandiTrap II™ when testing explosives in a blasthole include: • Measure the continuous hole diameter that is wet or dry and in any type of rock. - Page 10 H a n d i T r a p I I ™ O p e r a t i o n s M a n u a l - E d i t i o n 4 . 0...
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Page 11: Chapter 3 Handitrap Ii™ Vod Recorder Hardware
Chapter 3 HandiTrap II™ VOD Recorder Hardware T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com... -
Page 12: Hardware Components
Connector I M P O R T A N T When the External Trigger Adapter is connected to the port, the HandiTrap II™ VOD Recoder will only trigger with the trigger wire breaks. H a n d i T r a p I I ™ O p e r a t i o n s M a n u a l - E d i t i o n 4 . 0... - Page 13 The main features on the front panel of the HandiTrap II™ VOD Recorder are outlined below: Function Description Visual Representation Power TEST START buttons pressed simultaneously for one second are used to turn the HandiTrap II™ VOD Recorder ON and OFF.
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Page 14: Battery Charger
Begin Monitoring If a VOD PROBEROD VOD PROBECABLE-HT is connected to the HandiTrap II™ VOD Recorder and the circuit is testing OK, pressing the START button turns the START indicator light on and puts the HandiTrap II™ VOD Recorder... -
Page 15: Handitrap Ii™ Vod Recorder Usb Cable
(the number of full charges it can take). It is helpful to completely discharge and recharge the batteries every 1 to 3 months.. When doing this, recharge the batteries immediately after they have been discharged. I M P O R T A N T Do not operate the HandiTrap II™ VOD Recorder when the charger is connected. T: +1-613-545-0466 : +1-61 www.mrel.com... -
Page 16: Recharing The Handitrap Ii™ Vod Recorder
According to the battery Manufacturer’s specifications, full battery pack recharging will take 14 to 16 hours. Charging for extended periods of time can lower the lifetime of batteries, but not damage the HandiTrap II™ VOD Recorder in any way. 3.4 Long Term Storage Considerations No special procedures, other than those pertaining to the internal batteries, should be taken for long term storage of the HandiTrap II™... -
Page 17: Rg-58/U Coaxial Cable And Portable Cable Reel
RG-58/U coaxial cable, which in turn connects to the VOD PROBEROD/VOD PROBECABLE-HT connector on the HandiTrap II™ VOD Recorder. Contact MREL for additional PROBECABLE-HT information and ordering details. -
Page 18: Handitrap Ii™ Vod Recorder Techincal Specifications
3.7 HandiTrap II™ VOD Recorder Technical Specifications Number of Channels 1 channel for VOD. Vertical Resolution 12 bits, 1 part in 4,096. Recording Rate 1 MHz Total Recording Time 131 milliseconds (131,072 data points). Pre-Trigger Time 32.8 milliseconds (32,768 data points). -
Page 19: Chapter 4: Recording Vods And Deck Delays
Chapter 4 Recording VODs and Deck Delays T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com... -
Page 20: Safety Considerations For Selecting An Explosive Testing Site
Handitrap II™ VOD Recorder to record VODs and deck delay times. S T O P Test the HandiTrap II™ VOD Recorder communications with your computer BEFORE first use in the field. Ensure that Chapter 1 has been successfully completed. Most issues can be avoided by consulting the manual and/or contacting MREL BEFORE recording valuable data with the HandiTrap II™... -
Page 21: The Resistance Wire Technique For Measuring Vod
VOD PROBECABLE-HT is consumed in by the detonation front. HandiTrap II™ VOD Recorder uses the proven continuous resistance wire technique for monitoring VODs. An MREL-manufactured VOD PROBEROD VOD PROBECABLE-HT of known linear resistance (i.e. ohm/m or ohm/ft) is placed axially in the explosive sample or explosive column. - Page 22 RG-58/U Coaxial Cable 101 m (333 ft.) MREL Product # 1-06-01 Tube or Pipe (Fiberboard, Plastic, Steel) Sample of Bulk Explosives VOD PROBEROD or VOD PROBEROD-HS MREL Product # 1-05-01 or 1-05-02 Booster Detonator Blasting Machine Figure 1 Place the RG-58/U Coaxial...
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Page 23: Installing Vod Probecable-Ht For Testing Explosives In A Blasthole
VOD PROBECABLE-HT (available from MREL). Coaxial cable (type RG-58/U is recommended, and available from MREL) - sufficient length to run between the HandiTrap II™ VOD Recorder location and the top of the blasthole. Wire cutters and electrical tape. Explosives, detonators and shot exploder. - Page 24 See Figure 2 RG-58/U Coaxial Cable 101 m (333 ft.) MREL Product # 1-06-01 BNC Connector(Male) Blasting Machine Stemming Bulk Explosive HandiTrap II™ Detonator & Booster VOD Recorder MREL Product # 1-02-01 Blasthole VOD PROBECABLE-HT MREL Product # 1-05- See Figure 3...
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Page 25: Preparation Of Vod Probecable-Ht For A Single Blasthole
Please note that this 20 ft. length requirement represents the minimum condition for triggering the HandiTrap II™ VOD Recorder and thus with only the minimum 20ft. in the explosive column, the entire event will be recorded in the pre-trigger domain of the resulting graph. -
Page 26: Coaxial Cable Protection
HandiTrap II™ VOD Recorder for the purpose of connecting to the HandiTrap II™ VOD Recorder VOD PROBEROD/VOD PROBECABLE-HT input. The BNC Adapter is a short length of coaxial cable with a male BNC connector attached to one end, and two bare leads on the other. The BNC Adaptor can be connected to the coaxial cable using wire cutters and electrical tape. -
Page 27: Vod Proberod Or Vod Probecable-Ht Circuit Resistance
C A U T I O N Do not switch the HandiTrap II™ VOD Recorder OFF at this point. All test data that has not been downloaded to a PC or Palm will be lost when the HandiTrap II™ VOD Recorder is turned off. -
Page 28: Utilizing The External Trigger
C A U T I O N It is important to connect the External Trigger Adapter to the HandiTrap II™ VOD Recorder before pressing the START button. Otherwise, if the START button has already been pressed, the HandiTrap II™ VOD Recorder will trigger upon connecting the External Trigger Adapter. -
Page 29: Chapter 5: The Das™ Data Acquisition Suite Software For Windows
Chapter 5 The DAS™ Data Acquisition Suite Software for Windows ® T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com... -
Page 30: Retrieving Data From The Handitrap Ii™ Vod Recorder
Over view This Chapter provides detailed instructions on how to retrieve data from the HandiTrap II™ VOD recorder and how to analysis the data obtained. S T O P Ensure that Chapter 1 has been successfully completed prior to beginning Chapter 5. -
Page 31: Chapter 6: Batter Y Maintenance
Chapter 6 Battery Maintenance T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com... -
Page 32: Monitoring The Battery
Over view This Chapter provides detailed instructions on how to maintain the batter y inside the HandiTrap II™ VOD recorder. The internal Nickel Cadmium (NiCad) rechargeable battery of the HandiTrap II™ VOD Recorder is rated for 8 hours of use given the wide range of possible conditions of their use and their inevitable change of condition over years of use. -
Page 33: When To Replace The Battery
This discharge/recharge cycle is one of the practices of ideal battery maintenance, which also includes: Ensure that the battery has been fully charged at least every 3 months. If the HandiTrap II™ VOD Recorder is regularly used, this is not a problem. -
Page 34: Estimating Battery Run Time
6.3.6 Using Timed Charging with the HandiTrap II™ VOD Recorder The easiest operation of the timer is to set time on the timer to 12:00am (midnight). Insert the red plastic tab (the tab) at 4:00 pm (1600). -
Page 35: Chapter 8: Contacting Mrel For Technical Support
Chapter 7 Contacting MREL for Technical Support T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com... -
Page 36: Contacting Mrel
MREL looks forward to providing you with assistance. H a n d i T r a p I I ™ O p e r a t i o n s M a n u a l - E d i t i o n 4 . 0... - Page 37 T: +1-613-545-0466 : +1-61 www.mrel.com contact@mrel.com...
- Page 38 MREL is committed to product innovation; accordingly product may undergo specification improvements without notice. Copyright © 2022 MREL Group of Companies Limited. HandiTrap II™ VOD Recorder, HandiTrap II™ VOD Recorder Logo, and MREL Logo are trademarks or registered trademarks of MREL Group of Companies Limited.
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