304 soil PH test sensor module 0-5V RS485 PH Transmitter detector Soil sensor ph meter soil tester sensor For PH 3-9PH

-0.3%

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0

-0.7%

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0

-0.7%

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-3%

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-4%

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-0.7%

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1

-3%

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-3%

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-5%

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-7%

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-5%

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-6%

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6

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-4%

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-15%

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1

1

5.0

-2%

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-7%

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1

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1

-0.9%

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0

Incomplete data

Mq-3 alcohol ethanol sensor module gas detector sensor for arduino raspberry mq 3 alcohol sensor module

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0

-3%

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3

7

5.0

-8%

M30 200khz 0.1-2m ultrasonic distance sensor analog sensor 0-5v/0-10v/1-5ma/4-20ma motion detector proximity switch sensor

1

4

5.0

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0

-0.2%

M40 200khz 0.25-4m ultrasonic distance sensor analog sensor 0-5v/0-10v/1-5ma/4-20ma motion detector proximity switch sensor

1

1

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Co gas sensor module with humidiity temperature transmitter 4-20ma/0-10v carbon monoxide detector combustible gas transmitter

2

4

3.0

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Mq-3 alcohol ethanol sensor module gas detector sensor for arduino raspberry mq 3 alcohol sensor module

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0

-3%

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-2%

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-5%

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0

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3

5.0

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1

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Rs485 noise sensor transmitter module modbus rs232 4-20ma 0-5v noise meter

1

1

Three cups of wind speed and direction sensor / wind speed and direction meter (rs485/232, 4-20ma/0-5v)

1

0

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1

-4%

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1

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Ph temperature transmitter detection sensor module voltage 0-5v 0-10v 4-20ma rs485 output ph sensor ph electrode bnc

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2

-3%

Incomplete data

Mq2 dc 5v propane ethanol i-butane methane alcohol gas sensor detection module for arduino mq-2 gas sensor detector module

1

1

5.0

-0.5%

Free shipping 0-200000lux light intensity sensor illuminance i2c digital light intensity sensor module light sensor

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7

5.0

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Ms20 soil moisture sensor rs485 modbus 0-2v 4-20ma soil humidity sensor / 100% soil moisture volume soil moisture & temperature

2

4

5.0

-3%

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0

-2%

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1

1

-2%

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3

3

4.7