Mold Strain Gauge
PMF series Mold strain gauge
PMF series mold strain gauges are small gauges that are embedded in concrete or mortar for use in such applications as loading tests. They can also be embedded in smaller test subjects. The gauges employ super engineering plastics in their backing material, which provides water resistance. Our temperature-integrated model allows measurement of both strain and temperature. In addition to standard lead wire lengths, we can make lead wires to any length (made-to-order).
* Strain Transducer KM is suited to long-term use.
| Applicable specimen | Concrete, Mortar |
|---|---|
| Operational temperature | -20 to +60 ℃ |
| Temperature compensation range | - |
| Bonding adhesive | Embedment |
| Backing | Special plastics |
| Element | Cu-Ni (foil) |
| Strain limit | - |
| Fatigue life at room temperature | - |
-
Single-element quarter bridge 3-wire method
0.09 mm2 cross-linked vinyl leadwire (3-wire system) of 2 m Total leadwire resistance per meter: 0.4 Ω
Type Gauge length
(mm)a
(mm)b
(mm)c
(mm)d
(mm)Resistance value
(Ω)PMFL-50-2LJRTA 50 60 φ8 φ4 27 120 PMFL-60-2LJRTA 60 70 φ8 φ4 32 120 * Orders accepted for 10 units at a time
* This is a made-to-order product -
Single-element (G.F. 2.0 approx.)
0.08 mm2 integral cross-linked vinyl leadwire of 3m -3TLJBT
Total leadwire resistance per meter : 0.44 Ω
Type Gauge length
(mm)a
(mm)b
(mm)c
(mm)d
(mm)Resistance
(Ω)PMFL-50T-3TLJBT 50 60 Φ8 Φ4 27 120 PMFL-60T-3TLJBT 60 70 Φ8 Φ4 32 120 Each package contains 10 gauges.
These gauges are made to order.
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PMFLS series Asphalt Mold strain gauge
These mold strain gauges are embedded in asphalt for use in such applications as loading tests with rolling compaction. Material used in the backing is super engineering plastic featuring water and heat resistance. The gauges can withstand a high temperature of up to 200℃ during placing of asphalt.
Gauges are temperature-compensated for asphalt.
| Applicable specimen | Asphalt |
|---|---|
| Operational temperature | -20 to +60℃ |
| Temperature compensation range | - |
| Bonding adhesive | Embedment |
| Backing | Super engineering plastics |
| Element | Cu-Ni alloy |
| Strain limit | - |
| Fatigue life at room temperature | - |
-
Single-element (G.F. 2.1 approx.)
Φ 6 mm 0.35 mm2 4-core shielded chloroprene cable 2 m
Total resistance per meter : 0.11 Ω
3-wire system
Type Gauge
length
(mm)Gauge
width
(mm)Backing
length
a (mm)Backing
width
b (mm)Backing
thickness
c (mm)Gauge
center
d (mm)Resistance
(Ω)PMFLS-60-50-2LTSC 60 1 120 13 Approx. 7 60 120
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