Low Elastic Strain Gauge Wood, Gypsum Use

LF series Strain gauges for Wood and Gypsum

LF series strain gauges for wood and gypsum are foil gauges utilizing special plastic for the backing. The grid pattern is suited for measurement on materials having a low elastic modulus and reduces the stiffening effect of the strain gauge on the specimen. Gauges are self-temperature-compensated for 11×10-6/℃ materials.
A new series of strain gauges bearing the CE mark, GOBLET, has been added. This CE-compliant series of products is compliant with RoHS directives. These gauges exceed the capabilities of conventional strain gauges with lead-free soldering as well as a unique tab design. CE-compliant extension lead wires are also available.

Applicable specimen Wood, Gypsum
Operational temperature LF GOBLET ：-30 to +80 ℃
LF：-20 to +80 ℃
Temperature compensation range +10 to +80 ℃
Applicable adhesive CN-E
Backing Special plastics
Element Cu-Ni
Strain limit 3% (30000 x 10-6 strain)
Fatigue life at room temperature 1 x 106 (±1500 x 10-6 strain)

  • LOW ELASTIC MATERIALS - WOOD, GYPSUM USE goblet_log_s CE_logo
    Gauge pattern Type Gauge
    length
    (mm)    		 Gauge
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Resistance
    (Ω)
    lflab_1011 LFLAB-10-11 10 3.1 18.5 5.3 120

    Each package contains 10 gauges.
    * Attachment of lead wiring can be performed (made-to-order).

  • LOW ELASTIC MATERIALS - WOOD, GYPSUM USE
    Gauge pattern Type Gauge
    length
    (mm)    		 Gauge
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Resistance
    (Ω)
    lfla_1011 LFLA-10-11 10 3.1 18.5 5.3 120

    Each package contains 10 gauges.
    * Attachment of lead wiring can be performed (made-to-order).

  • Lead wires recommended for LF series strain gauges (made-to-order)

    Lead wires recommended for LF series strain gauges

    Purpose Lead wires Lead wire symbol Operating temperature range
    (℃ )    		 Gauge type exampled
    General measurement
    (no temperature change)    		 2-wire parallel vinyl wire LJC/LJC-F －20 to +80 LFLA-10-11-3LJC
    General measurement 3-wire parallel vinyl wire LJCT/LJCT-F －20 to +80 LFLA-10-11-3LJCT

    * Only lead wires using lead-free solder are available for GOBLET series strain gauges with the CE marking.

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PFLW/PLW series WOOD-long term use strain gaugeCE

This gauge has a thin metal backing for long term measurement on woods, not affected by moisture contained in wood. The gauge is bonded with PS adhesive.

Applicable specimen Wood
Operational temperature -20 to +80 ℃
Temperature compensation range +10 to +80 ℃
Applicable adhesive PS
Backing Polyester
Element Cu-Ni (wire)
Strain limit 2% (20000 x 10-6 strain)
Fatigue life at room temperature 1 x 105 (±1000 x 10-6 strain)

  • Single-element(G.F. 2.1 approx.)

    img_pflw_plw_01
    Type Gauge
    length
    (mm)    		 Gauge
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Resistance
    (Ω)
    PFLW-30-11 30 2.3 40 7 120
    PFLW-30-11 60 1 74 8 120

    * Optional -F availability (lead-free solder)
    Each package contains 10 gauges.

  • Lead wires recommended for PFLW/PLW series strain gauges (made-to-order)
    Purpose Lead wires Lead wire symbol Operational temperature range
    (℃)    		 Gauge type exampled
    General measurement
    (no temperature change)    		 2-wire parallel vinyl wire LJC-F －20 to ＋80 PFLW-30-11-3LJC-F
    General measurement 3-wire parallel vinyl wire LJCT-F －20 to ＋80 PFLW-30-11-3LJCT-F
    Medium/high temperature 3-wire parallel special vinyl wire LXT-F －20 to ＋150 PFLW-30-11-3LXT-F
    1-gauge 4-wire method Polypropylene 4-wire parallel wire
    (with modular)    		 LQM-F －20 to ＋100 PFLW-30-11-3LQM-F

  • Leadwire-integral PFLW/PLW series (single-element)

    0.11 mm2 integral vinyl leadwire　Total leadwire resistance per meter : 0.32 Ω

    img_pflw_plw_02
    Type Gauge
    length
    (mm)    		 Gauge
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Resistance
    (Ω)    		 Lead wire 
    pre-attached    		 Type name
    of lead wire
    preattached
    PFLW-30-11 30 2.3 40 7 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1LJC-F
    -3LJC-F
    -5LJC-F
    -3LJCT-F
    -5LJCT-F
    PFLW-30-11 60 1 74 8 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1LJC-F
    -3LJC-F
    -5LJC-F
    -3LJCT-F
    -5LJCT-F

    * Optional -F availability (lead-free solder)
    Each package contains 10 gauges.

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