17
APPENDIX A. SPECIFICATIONS
A.1 Model 4425 Convergence Meter
Range:
12 mm
0.50
inches
25 mm
1 inch
50 mm
2 inches
100 mm
4 inches
150 mm
6 inches
Resolution:¹
0.025% FSR
Linearity:
0.25% FSR
Accuracy:
0.1% FSR (with polynomial expression)
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:
180
Ω
,
±
10
Ω
Cable Type:³
Two twisted pair (four conductor) 22 AWG
Foil shield, PVC jacket, nominal OD=6.3 mm (0.250")
Convergence Meter
Length including
Swagelok eyehook
assembly:
710 mm
28"
710 mm
28"
865 mm
34"
1195 mm
47"
1615 mm
63.5"
Notes:
¹ Minimum; greater resolution possible depending on readout.
² Depends on application.
³ Polyurethane jacket cable available.
A.2 Thermistor (see Appendix B also)
Range: -80 to +150 °C
Accuracy: ±0.5 °C
Summary of Contents for 4425
Page 2: ......
Page 4: ......
Page 27: ...21 APPENDIX D EXAMPLE CALIBRATION REPORT Figure 13 Typical 4425 Calibration Report ...