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MIC ROPROCESSOR CONTROLLED
-
BESANTEK
BATTERY OPERATED
DIGITAL MILLI-OHMMETER
INSTRUCTION
DIGITAL MILLIOHM METER
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Visit us at www.TestEquipmentDepot.com
AUTO�OLD
BST-MGR10
MANUAL
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Summary of Contents for Besantek BST-MGR10
- Page 1 AUTO�OLD MIC ROPROCESSOR CONTROLLED BESANTEK BST-MGR10 BATTERY OPERATED DIGITAL MILLI-OHMMETER INSTRUCTION MANUAL HOOD iff.00 1011\A !I. B BBf ,..H,,HQ •>> lll.!l!i ID 100m.t. 2CM..0 ,oomA �oe.vo 200.00. 20.000. =o•-•• - -•NU 2000m0. DIGITAL MILLIOHM METER OFF°9 (EneiSn•ntJ � � ....
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Page 2: Table Of Contents
Page INDEX 1. Safety rules..........2. General description........3. Front panel layout........4. Preparation for use........5. Preliminary checks........6. Precautions..........7. Measuring..........8. Simplified measurement......9. Applications..........9-10 10. Test leads..........11. Thermal effects......... 10-11 11-12 12. Fuses replacement........13. -
Page 3: Safety Rules
1. Safety rules The meter has been designed with safety in mind. However, no design can completely protect against incorrect use. Electrical circuits are dangerous and lethal through lack of caution or poor safety practice. The following rules should reduce the danger : ●... -
Page 4: General Description
BESANTEK • The meter should only be used by a c , o mpetent, suitably trained person which understand fully this test & measurement procedure. & Warning, risk of electric shock. & Caution, refer to this manual before using the meter. - Page 5 Should the current regulation drops out, the R Led will lit, indicating that the resistance in the current circuit is too high. (Lowering the current by selecting a higher resistance range can solve the regulation.) Should the R Led lit, that mean that the voltage measured on the resistance is too high, and therefore over-range.
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Page 6: Front Panel Layout
BESANTEK The voltage between P, and P is also protected for over voltage but does not have a fuse. The meter has a temperature shut down. The temperature sensing is done on the current regulation transistor. Should this over-temperature let lit, allow the instrument to cool down for a while before proceeding further. -
Page 7: Preparation For Use
4. Preparation for use When unpacked, the meter should be inspected for any visible signs of damage, and the preliminary checks described in the user's manual should be performed to ensure that it is operating correctly. If there is any sign of damage, or if the meter does not operate correctly, return it to your nearest supplier. -
Page 8: Precautions
Total check can be done by shorting all the test leads together C . The display should indicate close to 0000 (depending of the crocodiles clips used and how they are shorted). Both R and R LED should be OFF, indicating that everything work ok. -
Page 9: Measuring
BESANTEK 7. Measuring • Perform the preliminary checks before proceeding with measurement and ensure that the precautions listed are observed. • Connect the test leads (color coded) to the instrument as shown. • The current test leads must always be outside of the potential test leads. -
Page 10: Simplified Measurement
BESANTEK 8. Simplified measurement The 4 wires measurement has many advantages. The errors due to the resistance of the test leads and the contacts as well as R and R are eliminated. However, in some cases, for example when using the high resistance... -
Page 11: Applications
9. Applications The digital milli-ohmmeter, with its measuring range of 100 µohms to 2000 ohms, is suitable for a wide range of applications such as : ● Measuring the winding resistance of electric motors, generators and transformers. ● Bond testing in mines, aircraft, railways, ships, domestic and industrial wiring installations. -
Page 12: Thermal Effects
Length of the potential leads should be as short as possible. Insulated 16/0.2mm, tinned copper wire is recommended. The two potential leads should have the same length to minimise inaccuracies due to unbalance. SUPPLIED POTENTIAL TEST LEADS test lead is of Red color, shrouded, 4mm safety plug which at one end have a crocodile (alligator) clip for connection to the resistance to be measured. -
Page 13: Fuses Replacement
Most conductors have a large temperature coefficient of resistance. For example : 0.4%/°C for copper. A copper conductor that has a resistance of 10.00m ohm at 20°C will increase to 10.40m ohm at 30°C. This change should be taken into account when making measurements. -
Page 14: Input Limits & Protections
The fuse is automatically blow by the crowbar, should voltage be present on the resistance under test. This is to prevent damage to the instrument. It is indicative of this fuse being blown is the R Led stays "on". (HBC, 0.5A, 250Vac, Slow Blow) ●... -
Page 15: Specifications
14. Specifications ELECTRICAL Measuring Ranges 0-200.0m ohms in steps of 100µ ohm 0-2000m ohms in steps of 1m ohm 0-20.00 ohms in steps of 10m ohm 0-200.0 ohms in steps of 100m ohm 0-2000 ohms in steps of 1 ohm Accuracy 0.5% of reading ±2 digits over the operating temperature range, -15°C to +55°C, with the supplied test leads. -
Page 16: Spares & Accessories
Rated environmental conditions (1)Indoor Use (2)Pollution Degree 2. (3)Altitude up to 2000 meter. (4)Relative humidity 80% max. (5)Ambient temperature 0°C~40°C. 15. Spares & accessories At the date of printing this user's manual, accessories were not yet available. Please contact the factory for further information. -
Page 17: Specifications
This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way so as, in our sole judgement, to injure their stability or reliability, or which have been subject to misuse, abuse, misapplication, negligence or accident or which have had the serial numbers altered, defaced or removed. -
Page 18: Cleaning & Storage
17. Cleaning & storage Periodically wipe the case with a damp cloth and detergent : do not use abrasives or solvents. If the meter is not to be used for periods of longer than 60 days, remove the batteries and store them separately. 18. - Page 19 CAT IV - Is for measurements performed at the source of the low-voltage installation. CAT III - Is for measurements performed in the building Installation. CAT II - Is for measurements performed on circuits directly connected to the low-voltage installation. CAT I - Is for measurements performed on circuits not directly connected to mains.
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