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WIRE TYPE DISPLACEMENT METER (waterproof type)
 PV-100ǠSG, PV-300-ǠSG
* Figures 1-6 are entered in Ǡ to indicate measuring points 1 6 (stages)



Used for measuring multi-stages rock bed displacement of large underground caverns of underground power stations, large scale slopes incident to road or dam construction.
A maximum of 6 stages (standard specifications) of measuring points may be installed in a bored hole of 66 – 86 mm.
Combined measuring gauge with manual dial depth gauge may be produced upon request.

[Head part, transducing part]
Model
PV-100-
1
SG
PV-300-
1
SG
Measuring range
(Fixed at time of shipment)
±50mm
( -30mm )
+70mm
±150mm
( -90mm )
+210mm
Rated output (RO) ±1.0mV/V or higher
Non-linearity Within ±0.7%RO
Hysteresis Within ±0.7%RO
Permissible overload 100%
Permissible temperature range -10 - +40°C
Maximum applied voltage 10V
Permissible water
pressure resistance
0.2MPa
Dimensions
(head part/flange)
ø165/ø220H70mm
(transducing section) ø60L400mm ø60L600mm
Weight Approx. 8 kg.
(head part + transducing part)
Cable V30-3 (0.3mm2 30core, mike cable)
7 stages or more may be manufactured for special order items.
Polarity, + indicates increase in dislocationplacement (in the direction in which the wall surface pushes out)


[Water pressure type anchor]
Model WPA-66(WPA-76)(WPA-86)
Anchor releasing force Max. 5.0MPa
Applicable bore diameter 66 - 86mm
Dimensions ø60L100mm
Weight Approx. 0.6kg
Pressuring tube Nylon ø3.48/ø4.76mm
The brackets in the model designation are used when there are 7 or more measuring points.

[Measuring wire]
Model VW
Rod Silicon manganese, ø5 mm
Outside tube Hard polyethylene ø6.5/ø9.5 mm
Weight Approx. 0.25kg/m



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