Analog pH Meter Pro V2 Professional pH Sensor Compatible with Arduino and Raspberry Pi

Price: $109.30
(as of Feb 21, 2024 18:16:08 UTC – Details)

DFRobot Gravity: Analog pH Sensor/Meter Kit V2

Introduction
The new Arduino Analog pH sensor/Meter is compatible with Raspberry Pi and Arduino microcontroller.

Attention：
1. The BNC connector and the signal conversion board must be kept dry and clean, otherwise, it will affect the input impedance, resulting in an inaccurate measurement. If it is damp, it needs to be dried.
2. The signal conversion board cannot be directly placed on a wet or semiconductor surface, otherwise, it will affect the input impedance, resulting in the inaccurate measurement. It is recommended to use the nylon pillar to fix the signal conversion board, allow a certain distance between the signal conversion board and the surface.

Features
3.3~5.5V wide voltage input
Hardware filtered output signal, low jitter
Gravity connector and BNC connector, plug and play, no welding
Software library supports two-point calibration, and automatically identifies standard buffer solution
Uniform size and connector, convenient for the design of mechanical structures

Specification
Signal Conversion Board (Transmitter) V2
Supply Voltage: 3.3~5.5V
Output Voltage: 0~3.0V
Probe Connector: BNC
Signal Connector: PH2.0-3P
Measurement Accuracy: ±0.1@25℃
Dimension: 42mm*32mm/1.66*1.26in
pH Probe
Probe Type: Industrial Grade
Detection Range: 0~14
Temperature Range: 0~60°C
Accuracy : ± 0.1pH (25 ℃)
Response Time: <1min
Probe Life: 7*24hours >0.5 year (depending on the water quality)
Cable Length: 500cm

Shipping list
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 * 10 nylon pillar x4
M3 * 5 screw x8
Package Dimensions ‏ : ‎ 10.35 x 3.31 x 2.13 inches; 10.23 ounces
Item model number ‏ : ‎ SEN0169-V2
Date First Available ‏ : ‎ July 28, 2020
Manufacturer ‏ : ‎ DFROBOT
ASIN ‏ : ‎ B08DRFDSLX

DFRobot Gravity: Analog pH meter pro V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in various applications such as aquaponics, aquaculture, and environmental water testing.
As an upgraded version of pH meter pro V1, the secondary generation pH meter pro greatly improves the precision and user experience. The onboard voltage regulator chip supports the wide voltage supply of 3.3~5.5V, which is compatible with 5V and 3.3V main control board. The output signal filtered by hardware has low jitter. The software library adopts the two-point calibration method, and can automatically identify two standard buffer solutions (4.0 and 7.0), so simple and convenient.
This industry pH combination electrode is made of sensitive glass membrane with low impedance. It can be used in a variety of PH measurements with fast response, good thermal stability. It has the good reproducibility, difficult to hydrolysis, and basically eliminate the alkali error. Between 0 to 14 pH range, the output voltage of the electrode is linear.
The reference system which consist of the Ag/AgCl gel electrolyte salt bridge has a stable half-cell potential and excellent anti-pollution performance. The ring PTFE membrane is not easy to be clogged, so the electrode is suitable for long-term online detection.