Calibrate Tl-Span - Bacharach Portable Combustion Analyzer 24-9351 Operating & Maintenance Instructions

PCA

5.7 Calibrate TL-Span

Material Required:
• Thermocouple Simulator (K-type)
Procedure:
1. With the analyzer turned off, first plug the simulator's K-type connec-
tor into the T-AIR jack (Figure 3-2); then turn on the analyzer and
wait for its warmup cycle to complete.
2. Enter the Calibration Menu Screen per Section 5.3; then choose
TL-SPAN to span the analyzer's room-air/primary-air temperature
channel.
3. Set the simulator to 100 °C (212 °F).*
4. Wait until the MEASURED reading on the screen stabilizes. Then use
the and
st
(212 °F).
Typical Calibrate TL-Span Screen During Calibration Procedure:
4. Press the
that of the APPLIED value. At this time the Calibrate Menu Screen is
redisplayed.
* The calibration range for this screen is 90 – 110 °C (194 – 230 °F).
Any attempt to calibrate outside this range will cause the analyzer to
display an error message.
Instruction 24-9351
keys to enter an APPLIED value that equals 100 °C
key to calibrate the analyzer's MEASURED value to
Range: 0 to 300°C
Accuracy: ±0.3°C
Calibration
5-7