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APPENDIX A. SPECIFICATIONS
A.1 Model 4422 Crackmeter
Range:
4 mm / 0.16 inches
Resolution:¹
0.025% FSR
Linearity:
0.25% FSR
Thermal Zero Shift:²
< 0.05% FSR/°C
Stability:
< 0.2%/yr (under static conditions)
Overrange:
115% FSR
Temperature Range:
-40 to +60 °C
-40 to 120 °F
Frequency Range:
1200 - 2800 Hz
Coil Resistance:
50
Ω
,
±
5
Ω
Cable Type:³
Two twisted pair (four conductor) 22 AWG
Foil shield, PVC jacket, nominal OD=6.3 mm (0.250")
Cable Wiring Code:
Red and Black are the VW Sensor; White and Green the
Thermistor.
Length:(midrange,
end to end)
120 mm / 4.75 in.
Notes:
¹ Minimum; greater resolution possible depending on readout.
² Depends on application.
³ Polyurethane jacketed cable available.
A.2 Thermistor
Range: -80 to +150 °C
Accuracy: ±0.5 °C
Summary of Contents for 4422
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