Product Description:

YJJ HSH-DM2M-P Duct-Type Temperature Humidity Sensor for Central Air Conditioning / HVAC Systems

Features:

I. Basic Information

Model: HSH-DM2M-P

Type: Duct Insertion Type Temperature and Humidity Integrated Sensor (Duct T/RH Sensor)

Application Scenario: Central Air Conditioning / HVAC Duct Air Temperature and Humidity Monitoring

II. Key Parameters (25℃, 24VDC)

1. Measurement Range

Temperature: -40℃ ～ +60℃

Relative Humidity: 0% RH ～ 95% RH (Non-condensing)

2. Accuracy

Humidity: ±2% RH (20%～80% RH); ±3% RH (Full Range)

Temperature: ±0.3K @25℃ (PT1000 Component)

3. Output Signal

Humidity Output: 4-20mA

Temperature Output: 4-20mA

Temperature Sensing Element: PT1000 (Platinum Resistance)

4. Electrical and Mechanical

Power Supply: 24VDC ±20%

Load: 4-20mA Output ≤500Ω

Protection Grade: IP65

Shell: PC Flame Retardant (UL94-V0)

Response Time: ≤7s

Long-Term Stability: 1% RH / Year

III. Model Meaning (For Model Selection)

HSH-D: Duct Temperature and Humidity Series

M: Dual 4-20mA Output (Temperature and Humidity Both Current-Type)

2: Humidity Accuracy **±2% RH**

P: Temperature Element PT1000

IV. Core Features

Dual Current Output: Temperature and Humidity Independent 4-20mA, Suitable for Standard PLC/DCS

PT1000 Temperature Measurement: Good Stability, High Accuracy, Strong Anti-interference

High Precision Humidity: ±2% RH (Common Range), Meeting Cleanroom / Building Automation Requirements

Industrial Grade Protection: IP65 Dust and Waterproof, Long-Term Reliable in Ducty Environments

Flame Retardant Shell: UL94-V0, Compliant with HVAC Fire Safety Standards

V. Typical Applications

Central Air Conditioning and Building Automation (BAS)

Air Temperature and Humidity Monitoring for Supply / Return Ducts, Energy Saving Control and Dew Point Protection

HVAC Systems Closed Control for Office Buildings, Shopping Malls, Hotels, Hospitals, etc.

Clean Rooms and Pharmaceutical / Electronic Factory Buildings

Clean Area Duct Temperature and Humidity Monitoring, Meeting GMP/ISO7 Environmental Requirements

Data Centers and Computer Rooms

Air Temperature Collection for Air Conditioning Supply, Preventing Condensation and Equipment Overheating

Industrial Ventilation and Environmental Protection

Air Temperature Measurement for Exhaust / Fresh Air Ducts, Environmental Emission and Energy Optimization

Specifications: