CALIBRATION PROCEDURE FOR TESTER, EXHAUST GAS TEMPERATURE, HOWELL INSTRUMENTS, INC., MODEL BH112JB-( )
SECTION I IDENTIFICATION AND DESCRIPTION - TB-9-4920-454-350002
Accessories Required - TB-9-4920-454-350003
Equipment Setup - TB-9-4920-454-350004
Figure 2. Temperature indicator check.
Table 3. Ambient Temperature Versus Millivolt Values
Figure 3. Temperature circuit board.
Calibrator Board
RPM Indicator
RPM Indicator-cont.
Standard Day
Figure 7. Standard day check.
Heater Probe Control
Figure 8. Heater probe.
Heater Probe Control-cont.
Figure 9. Heater probe control circuit.
Insulation Resistance
Figure 11. Insulation resistance and resistance check.
Resistance Check - TB-9-4920-454-350019
Aircraft Indicator
Final Procedure - TB-9-4920-454-350021
TB-9-4920-454-35 Tester Exhaust Gas Temperature Howell Instruments Inc. Model BH112JB-( ) Manual
SECTION I IDENTIFICATION AND DESCRIPTION - TB-9-4920-454-350002
Accessories Required - TB-9-4920-454-350003
Equipment Setup - TB-9-4920-454-350004
Figure 2. Temperature indicator check.
Table 3. Ambient Temperature Versus Millivolt Values
Figure 3. Temperature circuit board.
Calibrator Board
RPM Indicator
RPM Indicator-cont.
Standard Day
Figure 7. Standard day check.
Heater Probe Control
Figure 8. Heater probe.
Heater Probe Control-cont.
Figure 9. Heater probe control circuit.
Insulation Resistance
Figure 11. Insulation resistance and resistance check.
Resistance Check - TB-9-4920-454-350019
Aircraft Indicator
Final Procedure - TB-9-4920-454-350021
TB-9-4920-454-35 Tester Exhaust Gas Temperature Howell Instruments Inc. Model BH112JB-( ) Manual
