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Circular form measurement series electronic gage head.
Precitech Electronic Gage Head
0.35 MB (pdf)

• Lightweight compact size and simple two piece construction.

• The probe tip and narrow nose are in line with mounting feature allowing the gage head to fit into smll inside diamters.

• The rotational axis of the gage head utilizes a pivot bearing and slip clutch design assuring stability and repeatability during setup and measurement.

• The slip cluth design allows the probe tip to be swiveled along a 200° arc.

• Convenient, easy to use probe bias know located on the side of the gage tip reverses sensing direction also allowing temporary probe tip force adjustment.

• A micro adjustment knob at the back of the gage head makes probe tip adjustments easy for quick part setups.

• Utilizes an LVDT transducer to achieve ultra precision performance.

• Connects directly to all Precitech electronic amplifiers and computer interface modules.
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Mechanical
Electrical
 
Concept Pivot Lever Type   Transducer Type Linear Variable Differential Transformer
Gaging Range ±0.010" (±0.25mm)   Linear Range ±0.010" (±0.25mm)
Overtravel 0.005" (0.125mm)   Non-Linearity <=0.3% F.S. (Best fit line by least squares)
Total Travel 0.030" (0.75mm)   Excitation 3.0 Vrms @ 10 Khz
Gaging Force 0.18oz (5gm), bi-directional   Output Sensitivity 7.1mV/V/0.001" ±10%
Rate of Change of Force <0.003oz/.001" (.1gm/.025mm)   Null Voltage <5mV
Probe Angle Adjustment 200° (3.5rad)   Phase Shift +25° @ 10 Khz     0° @ 19Khz
Probe Length 1.25" (32mm)   Polarity Output voltage (red) in phase with input voltage (yel) when core is past null toward leads end
Probe Tip 0.062" (1.6mm) dia. Ruby Tip   Input Impedance 100Ω ±10%
Fine Adjustment Range 0.250" (6.35mm)   Output Impedance 120Ω each ±10%     240Ω, total ±10%
Probe Slipclutch Breakaway 3.5±.7oz. (100±20gms)   Input Resistance 44Ω ±10%
Weight 2.8oz (78gm)   Output Resistance 84Ω each ±10%
  Cable 6' (2m) long
 
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June 29, 2006