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A flat smooth surface is made on the rock face in using gypsum or mortar immediately after excavation, and the meter is adhered to the smooth surface to measure boundary pressure on shotcrete-rock mass.
Model GF-1.0MP
Measuring range 1.0MPa
Rated output (RO) 0.9 mV/V or higher
Non-linearity Within ±1.0%RO
Hysteresis Within ±1.0%RO
Permissible overload 120%
temperature range
-10 - +80°C
Maximum applied voltage 10V
Input output resistance 350Ω
Permissible water pressure resistance 0.8 - 1.0 MPa
Dimensions ø180H50mm
Weight Approx. 3.6 kg
Cable S4-5
2 4core, single sheath)

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