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Red LED: Blinks five times at power-up when logging is enabled.
2.6 Cleaning and Storage
When storing the MP25 or MP25T, fill the storage cup provided with 1-2 oz. of tap or bottled drinking water and
install the storage cup on the sonde. NOTE: DO NOT use purified water such as, distilled, deionized or reverse
osmosis water for storage, as this will deplete the pH sensor and reference electrode and could result in
premature replacement.
3. MicroPurge® Application Software
3.1 Installing the MicroPurge® App
The MicroPurge® App is a free to download app that can be found at www.qedenv.com, under the products tab
for the MP25/MP25T. Below are the steps to take to install the app onto your Android Device.
3.2 Connecting your MP25 or MP25T for the first time
The MP25 and MP25T are Bluetooth capable devices so the user can wirelessly display and log their data. Below
is how the user will connect their MP25 or MP25T to their Android tablet or phone.
1. Connect the 3m waterproof cable to the top of the sonde.
2. Connect the nine pin RS-232 connector to the Bluetooth Battery Pack.
3. Press the Black Power Button next to the RS-232 connector on the Bluetooth Battery Pack.
4. Open the MicroPurge Application, after opening the app will automatically start searching for all
Bluetooth Devices in the area. This can be filtered out, see section 3.7.2.
5. Select the Bluetooth Device that will be labeled with the same Bluetooth ID that is located on the
bottom of the Bluetooth Battery Pack. If the MP25 or MP25T does not initially show up, press the Find
Another MP25 button and the app will refresh the list of devices.
6. Once selected the app will auto direct to the Bluetooth settings on the device. Select the corresponding
device and if prompted for a password, enter 1234.
7. Return to the MicroPurge Application, and wait until the application initializes and brings up the local
Bluetooth devices.
8. Select the corresponding device, the app will automatically start scrolling data from the device. At this
point the MP25 or MP25T is connected, the device however is NOT logging data. To see how to set up
the PurgeScan Logging, see section 3.4.
Rev: 01
Clean your instrument periodically with warm soapy water. Clean sensor stems
with a soft brush. Laboratory-grade liquid detergent is preferred, but liquid
dishwashing soap is fine. Do not use abrasives. Do not use solvents such acetone.
Do not clean with gasoline, kerosene, or industrial cleaners. Rinse sensors free of
soap with tap water and store the sensors in tap water (see below).
Replace any o-rings with visible cracks. Keep o-rings greased with silicon grease
(found in your Maintenance Kit).
P/N: 95343
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