LG Series Mechanical Force Gauge User Manual
Contents
1. Dial Indicator Assembly LG 300N NC002677 30 Dial Indicator Assembly LG 500N NC002677 31 Description Part Number Bezel Dial Indicator NC002716 Bearing Support Assembly NC002715 Top Case Housing NC002713 Bottom Case Housing NC002714 Maximum Peak Hold Knob Assembly NC002678 Gauge Mounting Plate NC002671 Label Gauge Model NC002621 Ball Bushing 2630 Retaining Ring Ball Bushing 13007 PRODUCT WARRANTY This instrument is warranted against defects in workmanship material and design for two 2 years from the date of delivery to the extent that AMETEK will at its sole option repair or replace the instrument or any part thereof which is defective provided however that the warranty shall not apply to instruments subjected to tampering or abuse or exposed to highly corrosive conditions THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS OR IMPLIED AND AMETEK HEREBY DISCLAIMS ALL OTHER WARRANTIES INCLUDING WITHOUT LIMITA TION ANY WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY AMETEK SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO ANY ANTICIPATED OR LOST PROFITS This warranty is voidable if the purchaser fails to follow any and all instructions warnings or cautions in the instrument s operation manual If a manufacturing defect is found AMETEK will replace or repair the instrument or replace any2. A regestered trademat of AMETER inc LG 10 Instruction Manual NC002711 January 2003 CHATILLON LG Series Mechanical Force Gauge Operating Instructions The LG Series mechanical force gauge is ideal for a wide range of force testing applications Based on our popular DPP Series force gauge the LG Series features a larger 2 25 inch dial for improved resolution and readability peak hold button ergonomic shape and improved accuracy of 0 5 of full scale The LG gauge is an excel lent economical solution for tensile or compression testing The durable plastic housing fits naturally in the hand for a comfortable and firm grip even at maximum loads Gauges may be mounted to a test stand for even greater control and consistent results in repetitive testing applications Easy to read concentric dial measures clockwise direction only Dial rotates 360 degrees for taring A peak hold button captures peak readings Available in Ibf kgf or N units of measure LG Series gauges come complete with protective carrying case and a set of stainless steel attach ments A Certificate of Calibration with Data is supplied standard Ehatillon A registered trademark of AMETIER Inc CAUTION The LG Series is a unidirectional force gauge When applying a load to the instrument the dial indicator MUST rotate in the clockwise direction OPERATION The zero point of the gauge may not always be in the 12 o clock position
3. Diesel Strasse 16 D 40670 Meerbusch Germany Tel 49 2 159 9136 0 Internet Addresses www ametek com www chatillon com www lloyd instruments co uk ISO 9001 Manufacturer Printed in U S A
4. counterclockwise direction damage may occur to the force gauge PEAK HOLD The LG Series force gauge has a maximum hold feature This al lows the peak force to be held after the load is removed Activate Peak Hold To activate this feature rotate the knob to MAX ON position Reset Peak Hold To reset the reading simply rotate the switch to MAX OFF and then return back to MAX ON position To deactivate this feature rotate the knob to the MAX OFF position SPECIFICATIONS Accuracy 0 5 of Full Scale Overload Capacity 110 of Rated Capacity Maximum Overload 150 of Rated Capacity Tare Capacity 10 of Rated Capacity Dial Resolution 0 5 of Full Scale Deflection 10mm 394 inches at Full Scale Operating Temperature 40 F to 110 F 5 C to 45 C Instrument Weight 1 5 Ibs 0 67 kg Shipping Weight with case 3 5 Ibs 1 59 kg Warranty 2 Years TEST STAND MOUNTING The LG Series force gauge has two 10 32 female threads for mounting to CHATILLON test stands Ensure the 10 32 screws are not too long otherwise it may bind and damage the force gauge The screw thread length going into the back of the gauge should not exceed 3 8 inch The force gauge also has four M3 x 0 5 threaded holes for alternative mounting aan 10 32 Thd 3 16 Long Both Ends 2 a le N le 10 32 Thd Mtg
5. due to gravity effects and the weight of fixtures or grips on the force gauge shaft To zero the gauge rotate the bezel on the dial indicator so that the indicator pointer lines up with the zero on the dial face On the lighter model force gauges 5 LBF 2KGF 20N or less gently tap the gauge to overcome Static friction when taking readings Gauges are designed for axial loading Ensure the load is not applied at an angle or an error can be introduced in the force readings The gauges are designed to have a 10 tare for fixtures and grips If this 10 tare is exceeded the force gauge may not measure up to full scale Compression Testing For compression testing assemble the appropriate attachment or grip to the bottom shaft of the force gauge For compression testing the shaft should be pushed into the gauge causing the indicator to rotate in the clockwise direction Attachments should be applied finger tight Do NOT overtighten Tensile Testing For tension testing assemble the appropriate hook attachment or grip to the top shaft of the force gauge For tension testing the shaft should be pulled out of the top of the force gauge causing the indicator to rotate in the clockwise direction Attachments should be applied finger tight Do NOT overtighten CAUTION Do not apply a load to the LG Series force gauge so the indicator rotates in the counterclockwise direction If excessive loads are applied in the
6. Holes 2 Places 1 125 i l 1 125 i 0 787 20mm 2 5 N 20 196 M3 X 0 5 Thd Mtg Hole 4 Places 5 118 130mm E96 328 ORDERING INFORMATION Decimal Dials LBF Metric Dials KGF LG 002 2 x 0 01 Ibf LG 3KG 3 x 0 015 kgf LG 005 5 x 0 025 Ibf LG 5KG 5 x 0 025 kgf LG 010 10 x 0 05 Ibf LG 10KG 10 x 0 05 kgf LG 020 20 x 0 1 Ibf LG 20KG 20 x 0 1 kgf LG 030 30 x 0 15 Ibf LG 30KG 30 x 0 15 kgf LG 050 50 x 0 25 Ibf LG 50KG 50 x 0 25 kgf LG 075 75 x 0 375 Ibf LG 10N 10 x 0 05 N LG 100 100 x 0 5 Ibf LG 20N 20x0 1 N LG 1KG 1 x 0 005 kgf LG 30N 30 x 0 15 N LG 2KG 2 x 0 01 kgf LG 50N 50 x 0 25 N S I Dials Newtons ACCESSORIES LG 100N 100 x 0 5 N SPK FMG 008A Chisel Point LG 200N 200x1N SPK FMG 009A Point LG 300N 300 x 1 5 N SPK FMG 010A Notch LG 500N 500 x 2 5 N SPK FMG 011A__ Flat SPK FMG 012A Hook Stationary 50 Ibf SPK FMG 012B _ Hook Stationary 100 Ibf SPK FMG 013A Extension Rod 6 inch NC002710 Carrying Case NC002711 Operator s Manual ML38672 Hook Swivel 20 Ibf ML3850 Hook Swivel 100 Ibf NC000988 3 Extension Rod 3 Notes Capacity dependent 2 Optional accessories MAINTENANCE Gauge accuracy should be checked periodically to ensure the gauge is within its calibrat
7. defective part thereof without charge however AMETEK s obligation hereunder does not include the cost of transportation which must be borne by the customer AMETEK assumes no responsibil ity for damage in transit and any claims for such damage should be presented to the carrier by the purchaser AMETEK TEST AND CALIBRATION INSTRUMENTS Americas AMETEK Test and Calibration Instruments Division 8600 Somerset Drive Largo Florida 33773 USA Tel 1 727 536 7831 Tel 1 800 527 9999 USA only Fax 1 727 539 6882 Asia Pacific AMETEK Lloyd Instruments No 7 Sherwood Place Alexander Heights 6064 Perth Australia Tel 61 8 9343 5725 Fax 61 8 9343 5723 AMETEK Singapore Pvt Ltd 10 Ang Mo Kio Street 65 05 12 TECHPOINT Singapore 569059 Tel 65 484 2388 Fax 65 481 6588 AMETEK and CHATILLON are registered trademarks of AMETEK Inc LLOYD INSTRUMENTS is an AMETEK Inc trademark Information within this document is subject to change without notice Pub No NC002711 Issued 01 03 Copyright 2003 by AMETEK Inc Europe AMETEK Lloyd Instruments Forum House 12 Barnes Wallis Road Segensworth East Fareham Hampshire PO 15 5TT Tel 44 0 1489 486399 Fax 44 0 1489 8851118 AMETEK Lloyd Instruments SA 3 Avenue des Coudriers Zone d Activite de l Observatoire 7810 Montigny Le Bretonneux France Tel 33 1 3057 4774 Fax 33 1 3057 5033 AMETEK Precision Instruments Europe GmbH Rudolf
8. ion limits The calibration can be verified by applying known weights adjusted for local gravity to the extension hook If adjustment is required the gauge should be returned to AMETEK for calibration Ba SPARE PARTS Description Part Number Dial Indicator Assembly LG 002 NC002677 01 Dial Indicator Assembly LG 005 NC002677 02 Dial Indicator Assembly LG 010 NC002677 03 Dial Indicator Assembly LG 020 NC002677 04 Dial Indicator Assembly LG 030 NC002677 05 Dial Indicator Assembly LG 050 NC002677 06 Dial Indicator Assembly LG 075 NC002677 07 Dial Indicator Assembly LG 100 NC002677 08 Description Part Number Dial Indicator Assembly LG 1KG NC002677 13 Dial Indicator Assembly LG 2KG NC002677 14 Dial Indicator Assembly LG 3KG NC002677 15 Dial Indicator Assembly LG 5KG NC002677 16 Dial Indicator Assembly LG 10KG NC002677 17 Dial Indicator Assembly LG 20KG NC002677 18 Dial Indicator Assembly LG 30KG NC002677 19 Dial Indicator Assembly LG 50KG NC002677 20 Description Part Number Dial Indicator Assembly LG 10N NC002677 24 Dial Indicator Assembly LG 20N NC002677 25 Dial Indicator Assembly LG 30N NC002677 26 Dial Indicator Assembly LG 50N NC002677 27 Dial Indicator Assembly LG 100N NC002677 28 Dial Indicator Assembly LG 200N NC002677 29
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