Strain Gage Transducers Instruments Special Instruments Strain gage

 

 

WF Series
Waterproof Gage

This gage eliminates the need for a moistureproof coating, which is sometimes troublesome in field tests. The gage has a vinyl lead wire and the entire gage and lead wire junction have been fully overcoated with a transparent and flexible epoxy resin approximately 1 mm thick. Perfect waterproofing can be achieved by merely bonding the gage with adhesive CN or P-2.

Main Test Materials Metal Materials Backing Epoxy
Operating Temperature 0 to +80°C Materials Element Cu-Ni alloy foil
Compensation range +10 to +80°C Strain limit 3%
(30000×10-6)
Bonding adhesive CN,P-2 Fatigue life at room temp. 1×106
(±1500×10-6)

  • Single element(G.F. 2.1 approx.)
    • 0.08mm2 PVC Leadwire pre-attached
    Total resistance per meter : 0.44(Ω)

    Type Gage
    length
    (mm)    		 Gage
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Backing
    thickness
    (mm)    		 Resistance
    (Ω)    		 Lead wire pre-attached Type name of lead wire
    WFLA-3-11
    WFLA-3-17
    WFLA-3-23    		 3 1.7 17 8 1.5 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1L
    -3L
    -5L
    -3LT
    -5LT
    WFLA-6-11
    WFLA-6-17
    WFLA-6-23    		 6 2.2 25 11 1.5 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1L
    -3L
    -5L
    -3LT
    -5LT

  • 90° 2-element Cross(G.F. 2.1 approx.)
    • 0.08mm2 PVC Leadwire pre-attached
    Total resistance per meter : 0.44(Ω)

    Type Gage
    length
    (mm)    		 Gage
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Backing
    thickness
    (mm)    		 Resistance
    (Ω)    		 Lead wire pre-attached Type name of lead wire
    WFCA-3-11
    WFCA-3-17
    WFCA-3-23    		 3 1.7 19 16 1.5 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1L
    -3L
    -5L
    -3LT
    -5LT
    WFCA-6-11
    WFCA-6-17
    WFCA-6-23    		 6 2.3 25 21 1.5 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1L
    -3L
    -5L
    -3LT
    -5LT

  • 90° 3-element Rosette(G.F. 2.1 approx.)
    • 0.08mm2 PVC Leadwire pre-attached
    Total resistance per meter : 0.44(Ω)

    Type Gage
    length
    (mm)    		 Gage
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Backing
    thickness
    (mm)    		 Resistance
    (Ω)    		 Lead wire pre-attached Type name of lead wire
    WFRA-3-11
    WFRA-3-17
    WFRA-3-23    		 3 1.7 19 16 1.5 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1L
    -3L
    -5L
    -3LT
    -5LT
    WFRA-6-11
    WFRA-6-17
    WFRA-6-23    		 6 2.3 25 21 1.5 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1L
    -3L
    -5L
    -3LT
    -5LT

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