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  • Product Name: RK500-01 Soil / Liquid Temperature Sensor

RK500-01 Soil / Liquid Temperature Sensor is used to measure the temperature of the soil or liquid, applied to the automatic meteorological station, soil moisture testing, pond or reservior water temperature and other fields. The products can be used in water or buried in soil Sensor with precision thermal resistance as a sensing component, built-in signal sampling and amplification, zero drift and temperature compensation function, has the characteristics of high measuring precision and good stability.

FEATURES

  * Real-time temperature measurement
  * Good corrosion resistance, suitable for all kind of soil
  * High accuracy
  * Good linearity
  * All stainless steel probe

APPLICATIONS

  * Environmental monitoring
  * Weather station
  * Electric power
  * Forestry
  * Water conservancy
  * Agriculture

TECHNICAL SPECIFICATION

Item

Technical Specification

Range

-20-+50℃,-50-+100℃

Supply

5VDC,12-24VDC

Accuracy

±0.5℃

Response Time

<1s

Output Signal

PT100,4-20mA,0-5V,RS485

Operating Temperature

-50℃-+80℃

Ingress Protection

IP68

Storage

10-60℃@20%-90%RH

Dimension

Probe: Ø19 ×119 mm, Transmitting module  Ø27*120mm

Probe weight(unpacked)

145g

Housing material

304 stainless steel

If you select 4-20mA,0-5V,RS485 output,need add transmitting module.

DIMENSION

Unit:mm

OUTPUT CHARACTERISTICS

PT100
T=0℃,R=100Ω, T≈100+0.385*Δt, Temperature and resistance is direct ratio relation.
4-20mA
T=((Iout-4)/(20-4))*(Range_max-Range_min)+Range_min
0-5V
T=(Vout/5)*(Range_max-Range_min)+Range_min
RS485
If the transmission distance is over 100m, please add a 120Ω terminal matching resistances on the front end and back end of bus interface respectively.See the modbus communication protocol specification.

PARAMETER SELECTION TABLE

Remark

Series

Type

Range

Supply

Output

Cable Length

 

RK

 

 

 

 

 

 

 

 

500

 

 

 

 

 

 

 

 

01

 

 

 

 

 

      A       -20~+50°C
      B       -50~+100°C
      X       Other

 

 

 

 

A

 

 

5V

 

 

 

 

B

 

 

12-24V

 

 

 

 

X

 

 

Other

 

 

 

 

 

A

 

PT100

 

 

 

 

 

B

 

4-20mA

 

 

 

 

 

C

 

0-5V

 

 

 

 

 

D

 

RS485

 

 

 

 

 

X

 

Other

 

 

 

 

 

 

5000

Unit(mm)(typ)

 

 

 

 

 

 

...

Unit(mm)

Example: RK500-01ABB5000  Range: -20~+50°C, Supply:12-24V,Output:4-20mA  Cable length:5m.