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홈 제품소개 일사량/열유속/열전도도계 일사량계 SR20-D2

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일사량/열유속/열전도도계

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SR20-D2

재품이미지

Digital secondary standard pyranometer with Modbus RTU and

4-20 mA output

SR20-D2

  • ISO 기준 secondary standard
  • 낮은 온도의존성
  • Output:
  •    both analogue (4-20 mA) and digital (RS-485)
  • 기본 5m cable 제공
BEST Good
제품사양
제품사양
SR20-D2 일사계
Measurand Hemispherical solar radiation
ISO classification Secondary standard pyranometer
Zero offset a 5 W/m2 unventilated, 2.5 W/m2 ventilated
Calibration traceability

to WRR

Spectral range 285 to 3000 x 10-9 m
Response time (95 %) 3 s
Rated operating temperature range -40 to +80 °C
Temperature response < ± 0.4 % (-30 to +50 °C)
Digital output -irradiance in W/m2
-instrument body temperature in °C
Communication protocol Modbus / over 2-wire RS-485
Transmission mode RTU
Rated operating voltage range 5 to 30 VDC
4-20 mA output irradiance in W/m2

Transmitted range of

4-20 mA output

0 to 1600 W/m2

Rated operating voltage range

of 4-20 mA output

5.5 to 40 VDC

Power consumption

main supply: < 75 x 10-3W at 12 VDC

4-20 mA current loop: < 40 x 10-3 W at 12 VDC,

with recommended 100 Ω shunt resistor

Standard cable length
5 m