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Shandong Fengtu IOT Technology Co., Ltd

Sales Manager:Ms. Emily Wang

Cel,Whatsapp,Wechat:+86 15898932201

Email:info@fengtutec.com

Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

Soil PH sensor

Soil PH sensor

Model:FT-DPH

Brand:fengtu

Soil PH sensor is a kind of instrument that can monitor the soil pH composition. It adopts a special metal probe and can be directly inserted into the soil for measurement.

1.Soil PH sensor product introduction

Soil PH sensor is a kind of instrument that can monitor the soil pH composition. It adopts a special metal probe and can be directly inserted into the soil for measurement.The soil pH sensor solves the shortcomings of traditional soil pH, which requires professional display instruments, cumbersome calibration, difficult integration, high power consumption, high price, and difficulty in portability. It can be widely used in agricultural irrigation, flower gardening, grassland and pasture, soil rapid testing, plant culture, scientific experiments and other fields. Low power consumption enables long-term uninterrupted monitoring. The sensor has the following characteristics:

The new soil pH sensor realizes online real-time monitoring of soil pH.

It adopts solid dielectric and large-area PTFE liquid junction, which is not easy to block and maintenance-free.

Waterproof and sealed, high integration, small size, low power consumption, easy to carry, and can be used outdoors.

High precision, fast response, good interchangeability and reliable performance.

Complete protection circuit and a variety of signal output interfaces are available.

2. Soil PH sensor technical parameters

Signal output type

Voltage output 0-2V

(Output impedance is about 0 ohms)

Current output 4-20mA

(Load resistance <500ohm)

RS485 interface

Modbus protocol

Supply voltage

3.6-30V/DC DC

12-30V/DC DC

3.6-30V/DC DC

Static power

6mA@24V DC

30mA@24V DC

(Current output channel is 20mA)

6mA@24V DC

PH value range

Range: 0-14PH, resolution: 0.01PH, accuracy ±0.1PH

Temperature range

Measuring range: -40~80℃, resolution: 0.1℃, accuracy: ±0.5℃

Protection level

IP65

Operating environment

-40~85℃

Default cable length

PH probe cable 5 meters

Transmitter cable 2 meters

Cable length can be customized

Dimensions

PH sensor-probe part size: length 160mm, diameter 30mm

PH sensor-probe part size: length 116mm, diameter 30mm

Note: Can be customized according to customer needs

3. Soil PH sensor sensor wiring

model

Wiring diagram

Voltage output type

Red (V+): Power supply positive

Black (G): Power ground

Blue (O1): Output signal

Voltage output type

Current output type

Red (V+): Power supply positive

Black (G): Power ground

Blue (O1): Output signal

Current output type

RS485 interface type

Modbus protocol

Red (V+): Power supply positive

Black (G): Power ground

Yellow (T+): RS485+/A/T+

White (T-): RS485-/B/T-

RS485 interface type

The sensor configuration parameters such as Modbus address, baud rate, check digit, communication protocol, etc. are stored in the EEPROM (power-down storage device) inside the module. Sometimes the specific configuration of these parameters is forgotten, resulting in the inability to communicate with the module. In order to prevent this problem, the module has a button. After pressing it for three seconds, the internal indicator light of the module will go out. Release the button, and all parameters of the module will be restored to the following factory settings:

1. Modbus address is 1

2. The communication configuration is 9600,N,8,1 (9600bps, no parity bit, 8 data bits, one stop bit)

The communication protocol is Modbus-RTU

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