Gravity: 7/24 Industrial Analog pH Meter Kit (Arduino, Raspberry Pi)

DFRobot

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SKU:
147-SEN0169-V2
MPN:
SEN0169-V2
Industrial analog pH meter kit with +/- 0.1 pH accuracy at 25 C, 7x24 monitoring, 3.3 V to 5.5 V input, two-point calibration, hardware-filtered output, Gravity connector, and BNC probe. View full description
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Technical Specifications

Brand:
DFRobot
Supply Voltage:
3.3~5.5V
Output Voltage:
0~3.0V
Probe Connector:
BNC
Signal Connector:
PH2.0-3P
Measurement Accuracy:
+-0.1@25C
Dimensions:
42mmx32mm
Probe Type:
Industrial Grade
Detection Range:
0~14
Temperature Range:
0~60C
Accuracy:
+-0.1pH (25 C)
Response Time:
< 1min
Probe Life:
24x7 hours > 0.5 years (depending on the water quality)
Cable Length:
500cm

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources:

Industrial Analog pH Meter Kit With 7x24 Monitoring, Two-Point Calibration And Gravity Interface

The Gravity Analog pH Meter Pro Kit V2 is designed for continuous and accurate water-quality monitoring in industrial, laboratory, agricultural, and environmental applications. Its industrial-grade probe supports 7x24 operation with a service life exceeding 4380 hours, making it suitable for long-term pH measurement in demanding systems. The sensor provides an accuracy of +/- 0.1 pH at 25 C when correctly calibrated.

The upgraded transmitter operates from 3.3 V to 5.5 V and provides a hardware-filtered analog output with low signal jitter. Gravity and BNC connectors allow plug-and-play installation without soldering. The supported software library simplifies two-point calibration using pH 4.0 and pH 7.0 buffer solutions and can automatically identify the standard calibration solution.

Key Features

  • Industrial-Grade Probe: Supports continuous 7x24 pH measurement in demanding monitoring applications.
  • Extended Service Life: Provides an operating lifespan exceeding 4380 hours under recommended conditions.
  • High Measurement Accuracy: Achieves an accuracy of +/- 0.1 pH at 25 C after proper calibration.
  • Two-Point Calibration: Supports calibration using standard pH 4.0 and pH 7.0 buffer solutions.
  • Automatic Buffer Recognition: The software library automatically identifies supported standard calibration solutions.
  • 3.3 V to 5.5 V Input: Compatible with a wide range of microcontrollers and embedded development boards.
  • Hardware-Filtered Output: Reduces signal noise and provides a stable analog output with low jitter.
  • Upgraded Transmitter: Improves measurement stability and signal accuracy compared with standard pH interfaces.
  • Gravity Connector: Enables convenient connection to compatible Gravity expansion boards and controllers.
  • BNC Probe Connector: Provides secure and reliable attachment of the industrial pH probe.
  • Plug-And-Play Installation: Requires no soldering for standard sensor and controller connections.
  • Uniform Module Format: Simplifies mechanical design and integration into compatible enclosures and systems.
  • Broad Controller Compatibility: Suitable for Arduino, LattePanda, and Raspberry Pi projects using a compatible analog-to-digital converter.
  • Continuous Water Monitoring: Well-suited for automated systems requiring long-duration pH observation.

Applications

  • Industrial water-quality monitoring
  • Hydroponics and aquaponics
  • Aquarium pH monitoring
  • Wastewater treatment systems
  • Environmental monitoring
  • Laboratory testing equipment
  • Agricultural irrigation systems
  • Swimming pool monitoring
  • Beverage and liquid processing
  • Arduino-based pH meters
  • Raspberry Pi monitoring systems
  • Automated dosing and control systems

Arduino Connection Diagram

Package Contents
 
  • pH Probe (Industrial Grade) x1
  • pH Signal Conversion Board V2 x1
  • Gravity Analog Sensor Cable x1
  • Waterproof Gasket x2
  • Screw Cap for BNC Connector x1
  • M3 x 10 nylon pillar x4
  • M3 x 5 screws x8

FAQs:

Q: What is the measurement range and accuracy of this pH sensor?

A: The Gravity pH sensor has a measurement range of 0-14 pH with an accuracy of ±0.1 pH at 25°C.

Q: Is this pH sensor suitable for continuous monitoring?

A: Yes, the industrial-grade probe is designed for 24/7 continuous monitoring in various applications.

Q: What is the lifespan of the pH probe?

A: The probe life is estimated to be over 0.5 years (depending on water quality) under 24/7 continuous operation.

Q: Does this kit require any soldering for setup?

A: No, the kit utilizes Gravity connectors and a BNC connector, making it plug-and-play without the need for soldering.

Q: What kind of calibration does the software library support?

A: The software library supports two-point calibration and can automatically identify standard buffer solutions, simplifying the calibration process.