TAQU T20 Duct Temperature and Humidity Sensors Transmitter RS485 0-10V 0-5V 4-20mA Duct type for HVAC System

Temperature

Accuracy:

Range:

Stabilization Time:

Calibration:

±0.2℃、±0.3℃、±0.5℃、±1℃

0～50℃、0～80℃、-5～60℃ Refer to the Selection Table

2-5mins

Standard calibration

Humidity

Accuracy:

Range:

Stabilization Time:

Calibration:

±2%RH、±3%RH、±5%RH

0～100%RH

2-5mins

Standard calibration / high humidity calibration

Output parameter

Signal output:

Current-mode  24VDC±10%

Voltage-mode  24VDC/AC±10%

RS485  10～28VDC

485 Parameter

Signal type:

RS485 type:

Connect:

Address:

Protocol:

Data Format:

Baud Rate:

RS485 Serial Port Output

Multipoint, Half Duplex

2Wire system, maximum communication distance 1200 meters, terminal direct connection

1-254 Through the switch/software settings, the broadcast address is: 0, and the default address is: 1

MODBUS

1Start bits, 8 data bits, no parity, 2 termination bits

1200 bit/s, 2400 bit/s, 4800 bit/s, 9600 bit/s, 19200 bit/s, 28800 bit/s, 38400 bit/s, through the switch/software settings, the default value is 9600 bit/s.

Power

Power supply:

Current-mode  24VDC±10%

Voltage-mode  24VDC/AC±10%

RS485  10～28VDC

Connection mode

Terminal:

Cable Specifications:

5.0mm spacing, M3 steel screw, 0.2Nm torque, 0.02 ohmic contact resistance

24～18AWG（0.2～1.0mm²），stripping length 6-7mm

Environment

Working environment:

Temperature  -20～80℃  probe up to100℃

Humidity  0～99%RH，no condensation

Storage environment:

Temperature  -30～80℃

Humidity  0～95%RH，no condensation

Protection level

Shell:

Fire Grade:

EMC:

IP65   Reference IEC 529 – 598/GB 700 – 86/ GB 4208

V-0    ReferenceUL94

Reference GB/T 13926，EN61000-6-2，EN61000-6-3  

Material and color

Shell:

Probe material:

Probe length:

Weight:

ABS (light blue)

PC polycarbonate

150/200/270mm, customizable

Appr. 140 g (total weight)

Series

Type of measurement

Temperature measurement range

Accuracy of temperature measurement

T20-

Humidity

Temperature and Humidity

(RH)

(TH)

0～50℃

0～80℃

0～100℃

-5～60℃

-20～80℃

-40～80℃

-10～50℃

0～30℃

(T1)

(T2)

(T3)

(T4)

(T5)

(T6)

(T13)

(T14)

±0.2℃

±0.3℃

±0.5℃

±1℃

(B)

(C)

(D)

(E)

Humidity measurement range

Precision of humidity measurement

signal output

Probe length

0～100%RH

0～95%RH

10～90%RH

20～80%RH

0～99%RH

(H1)

(H2)

(H3)

(H4)

(H5)

±2%RH

±3%RH

±5%RH

(B)

(C)

(D)

4～20mA  2-wire

4～20mA  3-wire

0～5VDC

0～10VDC

RS485 output

(2)

(3)

(4)

(5)

(RS)

150mm

200mm

270mm

custom

（T15）

（T20）

（T27）

（UD）