HMK15 with HMP1 and HMP9
HMP9 calibration adapter for HMK15 (item code ASM213801) is required to fit the HMP9 probe
head to the 12 mm hole on the HMK15 salt jar.
Figure 31 Using HMP9 calibration adapter with HMK15
The same adapter does mechanically fit the HMP1 as well. However, use of HMK15 with HMP1 is
not recommended due to additional temperature error caused by heat conduction from the
electronics of the probe body. HMP1 should be calibrated so that the entire device is in the
calibration environment, not just the probe head. Vaisala's calibration service is a good option
for maintaining the accuracy of HMP1.
You can use HMK15 with HMP1 and achieve an accurate calibration if the probe is
unpowered during stabilization. This is typically only practical for 1-point
calibration.
7.4.3 Adjusting measurement with Insight software
• Computer with Microsoft Windows
â
operating system and Vaisala Insight
software installed
• Indigo USB adapter (item code USB2) or USB connection cable (item code
242659)
• Reference environment(s) for producing the desired humidity and/or
temperature
This procedure can be used to adjust the probe's humidity or temperature measurement. If you
want to adjust both, repeat the procedure.
Because stabilization of temperature and humidity takes time, you should expect the
adjustment procedure to take at least 30 minutes for each adjustment point.
1. Connect the device to Insight. See
Connecting to Insight software (page 41)
2. If you intend to adjust humidity measurement, first select
> Purge
to perform a
chemical purge to condition the sensor. Wait a few minutes for purge to complete.
Chapter 7 – Maintenance
55
Summary of Contents for HMP Series
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