How to Connect a Gas Analyzer to iPhone via Bluetooth

The Optima 7 is a powerful handheld Bio gas analyzer that can be used to measure seven different biogas and flue gas components simultaneously, or used as a portable biogas analyzer or methane gas detector. Data can be downloaded via mini-usb cable to a PC, or to an iPhone or Android device via bluetooth.  

[Image Courtesy: mru-instruments.com]

To connect a gas analyzer to iPhone you will need to download the MRU4U app from the iTunes store, then follow the steps below to configure the settings:

Connect a Gas Analyzer to iPhone: Setting up the Optima 7

Step 1

Open the Measurement Menu, then press F3 to pull up the extras sub-menu. Select ‘Settings’, then press OK.

Step 2

Once the Settings Screen appears, press F2 to pull up the Bluetooth settings screen.

Step 3

Using the arrow left/right, modify the bluetooth settings as follows for IOS: Bluetooth —> BT-LE Bluetooth Transmiss —> Slave Protocol —> Type 1 Mode: Online Once you have modified these settings, switch off the analyzer.

Step 4

Restart the analyzer. Re-open the Measurement Menu, press F3 to pull up the extras sub-menu. Select ‘Settings’, then press OK.

Step 5

On the extras menu, scroll down and select ‘Device Info’, then press OK.

Step 6

When the device info screen opens, press the folder button. Select ‘Bluetooth’ and press OK.

Step 7

When the Bluetooth screen appears, press the folder button again. Select ‘Initialize’ and press OK.

Step 8

The screen will display the following message: ‘The changes will take effect after a restart. Switch off the device please.’ Restart the analyzer.

Connect a Gas Analyzer to iPhone: Setting up your iPhone

Step 1

Go to the settings menu on your iPhone and ensure that Bluetooth is turned on. If not, select Bluetooth to open the Bluetooth screen. Click on the Bluetooth radio button to activate — the button will be highlighted green when Bluetooth is on. iPhone will now start searching for devices, but won’t find any until you activate the MRU4U app.

Step 2

Open the MRU4U app and select ‘Connect & Measure’ from the Home screen.

Step 3

On the Connect & Measure screen, select ‘Connect Device’.

Step 4

When the Bluetooth screen appears, select ‘New Device’. Once the analyzer and the iPhone are connected, the iPhone will display the analyzer name and serial number.