Bacharach H25-IR - Manual (Page 49)

H25-IR Operation
Instruction 3015-4342 43
5.2.8 Probe Type
Use the Probe Type function to select the probe type that is connected to the instrument. Use the Up and
Down buttons to select the appropriate probe type. Press ENT to activate the selection. Refer to Sections 1.7.4,
1.7.5, and 1.7.6 for descriptions of available probe types.
In the example below, a Smart 6 ft probe has been selected. A message is also displayed warning that if the
probe type is changed the instrument must be recalibrated, and the new calibration value must be saved as the
default factory calibration as described in Section 5.2.6.2.
5.2.9 Firmware
The Firmware screen displays the firmware’s revision number, date, and time of compilation.
5.3 Flashing Memory
As updates to the instrument’s firmware become available, the instrument can be upgraded by flashing its
memory as described below.
IMPORTANT! After flashing memory, all operating parameters and sensor calibrations are erased. The
operator must have access to the Factory menu in order to set up the following parameters before placing the
instrument back into operation:
- DIGIPOT
- Leak rate of internal leak source
- Leak gas of internal leak source
- Leak temperature of internal leak source
- Leak temperature coefficient of internal leak source
- Pressure sensor calibration
- Flow rate sensor calibration
- Box temperature sensor calibration
Items Required:
 9-pin-Female to 9-pin-Male Serial Cable (P/N 104-4027)
 Flash Utility Software and Latest Firmware Image File
(downloaded from Website http://www.mybacharach.com/downloads.htm)
 Personal computer:
o Running Windows
®
95/98/2000/NT/XP/Vista
o Open COM port
Procedure:
1. Connect one end of a 9-pin female to 9-pin male serial cable to the instrument’s rear-panel
RS-232 connector.
2. Connect the other end of the cable to and an open COM port connector on the computer (it may be
necessary to use a 9-pin to 25-pin adapter to make the computer connection).
REV x.xx COMPILED ON
Month Day Year
At hh:mm:ss
PROBE TYPE
STD 6ft
STD 12ft
SMART 6 ft
SMART 12 ft
SMART 6ft SELECTED
IF CHANGED, YOU MUST
RESET FACTORY CAL