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Analogue Block Gauge - BG

Block Gauges make precision measurements of bores and cavaties a simple and reliable process. A range of springs are available to ensure that tip forces can be maintained with the Block Gaugue mounted in any attitude. Pneumatic actuators can be retrofitted for automatic applications.

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Analogue Block Gauge - Specification

Analogue Block Gauge
Axial Cable Outlet (LVDT)	BG/1.0	BG/2.5	BG/5.0
Radial Cable Outlet (LVDT)	BGR/1.0	BGR/2.5	BGR/5.0
Axial Cable Outlet (Half Bridge)	BG/1.0/H	BG/2.5/H	BG/5.0/H
Radial Cable Outlet (Half Bridge)	BGR/1.0/H	BGR/2.5/H	BGR/5.0/H
Measurement Range (mm)	2.0	5.0	10.0
Total Mechanical Travel (mm)	3.0	6.0	11.0
Accuracy¹	0.5, 1.0 µm	0.5, 1.5 µm	0.5, 2.5 µm
Repeatability (µm) @ 0.7 N Tip Force	<0.25		<0.5
Tip Force (N) @ Centre Travel (Horizontal Attitude) ± 20%	1.5
Mass of Moving Parts (g) Less Tool Holder	35	90	95
Temperature Coefficient (µm/°C)	± 0.2	± 0.5	± 1.0
Environmental Protection	IP 65

¹Accuracy is % of reading or µm, whichever greater.

Electrical Interface (LVDT Plugged)
Sensitivity² (mV/V/mm) ± 0.5%	200	80	40
Energising Current (mA/V) ± 5.0%	3.0	2.0	2.0
Electrical Interface (Half Bridge Plugged)
Sensitivity² (mV/V/mm) ± 0.5%	73.5	29.4	14.5
Energising Current (mA/V) ± 5.0%	2.0	1.0	1.0

²Linearity and sensitivty error combined does not exceed a total of 0.5%.

Temperature Ranges (°C)
Storage Temperature	-20 to +85
Operating Temperature	+5 to +85

Materials
Case	Stainless Steel
Probe Tip	Various Options
Gaiter	High Grade Polymer
Cable	2 m PUR

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