H4N : Remote Mount Humidity Temperature Transmitter

Model : H4N
Range : 0 to 100%RH / -40 to 100ºC
Output : 4 – 20mA, 0 – 10V, RS485 Modbus
Display : NIL
Accuracy : ± 2%RH / ±0.3 K
Versions : Remote Mount
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Description

Features :
High-performance digital sensors and circuits, ensure accurate measurement and temperature compensation
Good long term stability and reliability
100% field changeable sensors, no re-calibration needed
Fast response
Digital technology applied, multiple outputs optional, over-voltage and reverse polarity protection, high reliability, and interference capability
Industrial design, SS probe, and selectable filter
High protection rate up to IP65
Applications :

H2, 3, and 4 humidity and temperature transmitters are designed for environmental monitoring and controlling in industrial and commercial buildings. These transmitters can be used for:

Humidity and temperature monitoring of supply, exhaust and return air (H2, duct mount)
Humidity and temperature monitoring in the critical environment such as outside air (H3, outside mount)
Other applications of immersion humidity and temperature monitoring (H4, separate probe)

Additional information

Relative Humidity - Sensor

: Digital polymer

Relative Humidity - Range

: 0~100%RH

Relative Humidity -output

: 4~20mA(2 wires), 0~10VDC(3 wires), RS485

Relative Humidity - Accuracy

: 2,3,4.5%RH(25°C,20~80%RH)

Relative Humidity - Hysteresis

: <±1%RH

Relative Humidity - Response time

: <10s(25°C,in slow air)

Relative Humidity - Drift

: <±0.5%RH/year

Temperature - Sensor

: Solid state band gap, RTD or thermistor

Temperature - Range

: 0~50°C,0~100°C, -40~60, or others (transmitter)

Temperature - Output

: 4~20mA(2 wires), 0~10VDC(3 wires), RS485, or
RTD, thermistor

Temperature - Accuracy

: see model table

Temperature - Power

: Current 7.5~36VDC Voltage & Other 15~35VAC/DC

Temperature - Output Load

: <600 ohm (current), >2Kohm (voltage)

Temperature Limit

: -40~85°C, 0~95%RH (Non condensing)

Temperature - Storage Temperature

: -40~80°C

Temperature - Housing

: Fireproof ABS Enclosure, SS probe, SS mesh filter or
sintered filter

Temperature - Protection

: IP65