Portable PH soil tester – Soil PH sensor



Product Introduction:

Portable PH soil tester is a device that measures the current pH of the soil. It detects soil pH by inserting two stainless steel probes vertically into the soil. We provide RS485 soil pH sensor, 0-5V soil pH sensor, 0-10V soil pH sensor and 4-20mA soil pH sensor. The sensor can be used in conjunction with our soil data logger.

Soil measuring platform adopts the latest digital integrated circuit technology and the internationalization of detection technology design and become a new intelligent handheld detector, the large size full color LCD display, can display real-time readings and, at the same time, USES the international companies digital chip design detection circuit, can achieve very high sensitivity and good repeatability. The shell is made of industrial high strength composite plastic, with a good sense of strength. The shape of the sensor is hand-held design, convenient for users to carry, with good corrosion resistance, strength and toughness series characteristics.

*Model: JXBS – 3001
*Minimum order quantity: 1 piece
*Delivery date: within 24 hours


1. Multi-function buttons, such as single point record, start/stop record
2. Switch with a variety of units
3. Rich man-machine interface, full color interface designed based on the latest embedded ideas, can query, record and display data in real time
4. Data display mode, separate digital + instrument display, a variety of measurement data collection display, optional real-time curve display.
5. Optional data storage function: supports 4MB data storage capacity. You can export data to the computer through Excel, print, edit, and display ICONS.

Product Parameters:

Name: Soil PH rapid measurement platform
Power supply: lithium battery
Measurement range: PH:3-9pH
Measurement principle: galvanic cell
Display: Three rows 105*55cm
Storage: 200,000 sets
Size: 125 * 65 * 45 mm
Power supply :12V DC, 2500MA.h (standard)
Display mode: 2.8 inch liquid crystal display
Communication mode: USB (read, see DB9 interface description for details)
Data storage: 4MB storage (standard configuration)
Operating temperature: -20℃~50℃
Operating humidity: 0~90% (relative humidity), no condensation
Communication protocol: Modbus serial communication protocol
Charging time: ≤4H
It can be connected to: 1~8 Modbus devices
Weight: 500 g


How to use soil pH sensor?

For the first use, it is necessary to insert several times into the soil to remove the oxide film from the probe surface. The probe is then inserted vertically into the soil, avoiding rocks. In addition, you can manually dig a pit in the ground, then insert the sensor horizontally into the pit wall and bury the map.

Soil pH sensor measures area

The measuring area is a cylinder centered at the center of the two probes, with a diameter of 5 cm and the same height as the probes. As shown in the picture:

Measurement area:
φ=5cm, the cylinder is the same height as the probe

Precautions for using soil pH sensor:

1. All probes must be inserted into the soil during measurement.
2. Pay attention to lightning protection when using in the field.
3, do not force to bend the probe, force to pull the sensor lead, do not force to hit or hit the sensor.
4, sensor protection class IP68, can be immersed in water.
5, due to the presence of radio frequency electromagnetic radiation in the air, it is not suitable to keep the power state in the air for a long time.


1. How does the soil NPK sensor work?
Soil N, P and K sensor is suitable for detecting the content of N, P and K in soil, and the soil fertility can be judged by detecting the conductance transformation caused by different concentrations of N, P and K in soil.

2. What is the output of the soil moisture sensor?

The probe is powered by 4.5~30V DC power supply, and the output signal is standard RS485modbus protocol.
The probe uses 10~30V DC power supply, the output signal can be 4-20MA, 0-5V, 0-10V.
The probe is powered by a DC 3.6V lithium battery with wireless output, such as LORA output.



Portable PH Soil Tester Introduction Manual


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