Model 4420 Crackmeters (VW) Geokon Vietnam
Hãng sản xuất: Geokon
Mr. TúThe Model 4420 Crackmeter is intended to measure movement across surface cracks and joints. It is installed by grouting, bolting, or bonding two threaded anchors (with ball joints) on opposite sides of the crack and then attaching the ends of the gauge to the anchors.
Specifications
Standard Ranges¹
12.5, 25, 50, 100, 150 mm
Resolution
0.025% F.S.
Accuracy²
±0.1% F.S.
Nonlinearity
<0.5% F.S.
Temperature Range¹
−20 °C to +80 °C
Lengths³
318, 343, 397, 555, 645 mm (transducer)
Diameter
8 mm (shaft); 25 mm (coil)
¹Other ranges available on request.
²Accuracy established under laboratory conditions.
³Length dimensions are in mid-range position.
