User Manual Q&AAnswer
Nov 11, 2024 - 09:51 PM
To calibrate the rain gauge on the AcuRite 06004 Iris 5-in-1 Weather Sensor, follow these steps:
1. Ensure that the sensor is perfectly level using the built-in bubble level.
2. Use a compatible companion unit or AcuRite software to monitor the rainfall during calibration.
3. Take a plastic cup and make a pinhole in the bottom.
4. Hold the cup over the rain gauge and fill it with exactly 1 cup (8oz) of water, allowing the water to drip into the rain gauge. You should hear the internal buckets tip and see water drain through the rain gauge.
5. A few seconds after each bucket tip, the companion unit will display the rainfall in approximately 0.01" or more increments.
6. The cup of water should take more than 20 minutes to empty. If it empties too quickly, the calibration may be inaccurate. Try to simulate a normal steady rainfall.
7. When the cup is empty, the companion unit should register a rainfall of 1.06".
Tips:
- There should be nearly an equal number of water drops (about 25 water drops) between bucket tips. If not, adjust the calibration screws on the bottom of the AcuRite Iris sensor until an equal number of water drops are tipping the buckets.
- To adjust the rainfall reading, make an equal adjustment to both calibration screws on the bottom of the sensor. Turning the screws clockwise increases rainfall, while turning them counterclockwise decreases rainfall.
- To adjust the rainfall reading by 2%, turn both screws 1/8 of a turn.
- To adjust the rainfall reading by 4%, turn both screws 1/4 of a turn.
- To adjust the rainfall reading by 8%, turn both screws 1/2 of a turn.
Please refer to the AcuRite 06004 Iris 5-in-1 Weather Sensor User Manual for more detailed instructions and illustrations.
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