西門子 QFA20系列 室內型溫濕度感測器 Siemens Room sensors for relative humidity and temperature QFA2000 QFA2001 QFA2020 QFA2040 QFA2060 QFA2071
西門子 QFA20系列 室內型溫濕度感測器 Siemens Room sensors for relative humidity and temperature QFA2060D

西門子 QFA20系列 室內型溫濕度感測器 Siemens Room sensors for relative humidity and temperature

請來信詢價

  • Siemens Room sensors QFA20…
  • 室內型溫濕度感測器
  • for relative humidity (high accuracy) and temperature
  • Temperature Accuracy at 23°C: ±0.3 K
  • Temperature Accuracy at 15° to 35°C: ±0.7 K
  • Temperature Accuracy at -35° to 50°C: ±1 K
  • RH Accuracy 3%
貨號: QFA20.. 分類: , , , , 標籤: , , , , ,

描述

Siemens Room sensors QFA20..
For relative humidity and temperature

  • Operating voltage AC 24 V or DC 13.5…35 V
  • Signal output DC 0…10 V / 4…20 m A for relative humidity
  • Signal output DC 0…10 V / 4…20 mA / LG-Ni 1000 or T1 for temperature
  • Accuracy of ± 3 % r.h. within comfort range
  • Range of use –15…+50 °C / 0…95 % r.h. (non-condensing)

 

In ventilating and air conditioning plants to acquire

  • relative humidity and temperature
  • in rooms.

The QFA20.. is used as a control sensor and measuring sensor for building automation and control systems or indicating units.

 

 

額外資訊

Operating voltage

AC 24 V ±20 % or DC13,5…35 V (SELV)
or
AC/DC 24 V class 2 (US)
Frequency

50 /60 Hz at AC 24 V
External supply line protection

Fuse slow max. 10 A
or
Circuit breaker max. 13 A
Characteristic B, C, D
according to EN 60898
or
Power source with current limitation of max. 10 A
Measuring accuracy (*) at 23 °C and AC/DC 24 V and at

0…95 % r.h. : ±5 % r.h.
30…70 % r.h. : ±3 % r.h.
Range of use

-15…+50 °C
Measuring range

0…50 °C (R2 = factory setting),
-35…+35 °C(R1)
or -40…+70 °C (R3)
Measuring accuracy at AC/DC 24 V and at

23 °C : ±0.3 K
15…35 °C : ±0.7 K
-35…+50 °C : ±1 K
Type

QFA2000, QFA2001, QFA2020, QFA2040, QFA2060, QFA2060D, QFA2071
品牌

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