FLM/WFLM series: Metal backing strain gauges
The FLM/WFLM strain gauges are specifically designed to reliably measure strain on concrete surface. It features thin stainless-steel backings to prevent the penetration of moisture from the reverse sides. The WFLM series is integrated with moisture-proofing over-coating and integral leadwire to achieve reliable long-term measurement on underwater-curing concrete.
| Operating temperature |
: -20oC - +80oC |
| Applicable specimen |
: Concrete, mortar, rock |
| Temp. compensation materials |
: Mild Steel |
| Temp. compensation range |
: +10oC - +80oC |
| Strain limit |
: 5000 x 10-6 strain |
| Gauge pattern |
Model |
Gauge length (mm) |
Gauge Width (mm) |
Backing length (mm) |
Backing Width (mm) |
Resistance (Ω) |
|
FLM series – single element |
30 - 60 |
0.5 – 0.7 |
60 – 90 |
18 |
120 |
|
WFLM series- waterproof single element |
30 - 60 |
0.5 – 0.7 |
60 – 90 |
18 |
120 |
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