Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Model Number	6859D
Communication Interface	I2C Digital Output
Operating Voltage	3.3V - 5V DC
Pressure Range	-60 kPa to +60 kPa
Accuracy	±1% Full Scale
Response Time	< 10 ms
Operating Temperature	-20°C to +85°C
Package Type	SOP-8 Surface Mount
Primary Applications	Vacuum Cleaners, Massagers, Packaging Machines
Mounting Style	PCB Integrated Module

6 reviews

Anonymous

Mar 31, 2026

Rating: 4/5

Good accuracy, clear documentation

Used this for a prototype air wave device. The data sheet was accurate and the sensor performed within the specified tolerance. Would have given 5 stars if the pins were pre-soldered.

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for my custom vacuum project

The I2C interface made integration with my ESP32 controller incredibly smooth. The readings are stable and the response time is fast enough for real-time suction monitoring.

Anonymous

Mar 23, 2026

Rating: 5/5

Reliable for industrial packaging tests

We tested several units for our vacuum packaging line simulation. Consistent performance across all batches and handles the negative pressure range very well.

Anonymous

Mar 17, 2026

Rating: 5/5

Exceeded expectations

Bought a pack for university lab experiments. The sensors are robust and the I2C addressing allows multiple units on the same bus without conflict. Highly recommended.

Anonymous

Mar 15, 2026

Rating: 4/5

Great value for massager development

Using these to monitor air pressure in a new percussion massager design. They are sensitive enough to detect small changes. Just ensure your pull-up resistors are correctly sized.

Anonymous

Mar 06, 2026

Rating: 5/5

Compact and efficient

Small footprint fits perfectly on my custom PCB. The digital output eliminates the need for extra ADC conversion, saving me board space and processing time.

5 FAQ

Q: Can this sensor measure positive pressure as well as vacuum?

A: Yes, the 6859D is a differential pressure sensor capable of measuring both positive and negative pressure within its rated range of ±60 kPa.

Q: Does this module come with the pull-up resistors installed?

A: The module includes basic circuitry, but for long I2C lines or specific noise environments, we recommend adding external pull-up resistors to ensure signal integrity.

Q: Do you provide sample code for Arduino?

A: Yes, we provide a library and example sketches for Arduino and Raspberry Pi on our official GitHub repository linked in the product description.

Q: What is the default I2C address for this device?

A: The default 7-bit I2C address is typically 0x28, but please refer to the specific datasheet included in the download section for configuration options.

Q: Is this suitable for outdoor use in rain?

A: The sensor module itself is not waterproof. It must be housed in an IP-rated enclosure if used in outdoor or wet environments like certain vacuum cleaning applications.

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