Changing The Rechargeable Battery Pack; Figure 7 Example Of Mi70 Display With Mht410 In Port I And Mm70 Probe In Port Ii. Shown Parameters: Aw (I), Aw (Ii), Δ Aw - Vaisala MHT410 User Manual

You can use MI70 to compare the measurement readings of MHT410 to an MM70 reference
probe.
The indicator shows the readings from both devices at the same time. You can also show the
difference in reading for water activity (Δaw) and temperature (ΔT).
1. Install the MM70 probe in the same transformer as MHT410. For instructions, see the
MM70 User's Guide (available at http://www.vaisala.com/manuals).
2. Turn off the MI70 indicator.
3. If MHT410 is not connected to MI70, connect it to one of the MI70 ports (I or II).
4. Connect the MM70 probe to the other MI70 port.
5. Turn on the MI70.
The basic display now shows the readings from both devices. The port of the device is
indicated next to the measured parameter. You can change the shown parameters in Main
menu > Display > Quantities and units.
Figure 7 Example of MI70 Display with MHT410 in Port I and MM70 Probe in Port II. Shown
Parameters: aw (I), aw (II), Δ aw.
9.7 Changing the Rechargeable Battery Pack
• New rechargeable battery pack
• Medium size flat head screwdriver
In case you are installing a battery pack and you have a device with alkaline batteries, remove
the metal contact from the probe port end of the battery compartment before installing the
battery pack.
1. Open the back plate of the indicator by opening the screw of the back plate.
2. Remove the old battery pack. Detach the black connector by carefully pulling it up from
the wires.
Chapter 9 – MI70 Hand-Held Indicator
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