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The sensor battery lasts over 1 year but may last longer or shorter depending on the outside temperature. The battery will generally last longer in warmer environments.
Both the sensor and monitor use a single CR2032 coin cell battery, which is available at your local grocery, home improvement, electronics stores, and many online stores.
You can easily open the devices by inserting a narrow object such as a screw driver or butter knife into each side and popping open. Below is a video showing replacement of the sensor battery. Also below are links showing diagrams of each unit with arrows showing where you must pop open the device.
The XL sensor uses a single CR2450 coin cell battery, available at your local grocery, home improvement, electronics stores, and many online retailers.
- The XL sensor has a sealed battery door, that rotates to open.
With clear line of sight the range can be up to 200 feet or more.
With obstructions in between the sensor and your phone or receiver, it will be shorter. When installed on an RV, the sensor will be detectable practically anywhere in the trailer. When used on a outdoor grill, it can be detected in most rooms in the house. Range will be improved if you add spacers or keep the sensor away from the ground or add a few inches of separation between other metal flooring.
When using the Android or iPhone app, you can have an unlimited number of sensors. The application has been specifically tested with up to 25 sensors. You can also use sensors on multiple different phones or tablets at the same time.
If you purchase the stand-alone receiver/monitor, it can be used with 2 sensors.
You can use the phone app, you can use the receiver/monitor, or you can use both at the same time.
The TankCheck* sensor can be used on 20 lb tanks (like most grills use), 30 lb and 40 lb tanks (as used on many RV’s), and it works on horizontal tank up to 30″ diameter, too. Please see the instructions for exact mounting instructions for horizontal tanks because the placement is important for the most accurate readings.
When you move your sensor to a new tank, be sure to check that the rubber contact pad is in good condition before installing on new tank. Each tank will be slightly different so you should also go through all the troubleshooting tips to make sure you get the best signal quality.
Make sure your tank is level. If the tank is sitting at an angle, the surface of the liquid will also be at an angle, sometimes causing incorrect readings.
Tank Check sensor must be located properly. The black rubber contact pad should be placed on center of the tank bottom.
If experiencing a reading that looks incorrect or erratic, sometimes a slight reposition of the sensor will correct the problem.
If the bottom of the tank is dirty or rusty it will need to be wipe clean of any debris first. Also the black rubber contact pad on the sensor should be kept clean.
The bottom of your tank will need adequate clearance from the surface it is resting on. If your tank sits directly on the ground or other flat surfaces, or if your tank sits on a RV tank tray that has no cut outs, then you will need to add the 3 TankCheck spacers that are provided in the package to the bottom foot ring of your tank to provide adequate space and improved wireless signal for the sensor.
If the tank is moving or vibrating it will degrade the quality of the signal.
Movement of the tank can cause the liquid to slosh, sometimes causing erratic readings. Readings should go back to normal after a few minutes.
It’s typical to see the level change slightly with changing temperature. This is a characteristic of propane as it boils into gas.
Tank Check sensor is shipped in sleep mode to preserve battery life. You must press the Sync button on the sensor at least 5 times to wake it up before it will be detected.
We’ve found using Dielectric grease or Vaseline to help quite a bit. simply apply a small amount over the rubber pad over the sensor before attaching to the tank.