Specifications
| Item | Specification |
|---|---|
| Power Supply | 10~30V DC |
| Max. Power Consumption | 0.4W (RS485 model), 1.2W (Analog output model) |
|
Accuracy A |
Humidity: ±2％RH(5％RH~95％RH,25℃) Temperature: ±0.4℃(25℃) |
| Accuracy B (Default) |
Humidity: ±3％RH(5％RH~95％RH,25℃) Temperature: ±0.5℃(25℃) |
| Long-Term Stability |
Humidity: ≤1％RH/y Temperature: ≤0.1℃/y |
| Response Time |
Humidity: ≤4s(at 1m/s air flow) Temperature: ≤25s(at 1m/s air flow) |
| Probe Operating Temperature | －40~＋120℃, (Default range: –40 to +80°C) |
| Probe Operating Humidity | 0 to 100% RH |
| Signal Output | 4~20Ma,0~5V,0~10V,RS485 |
| Interface | RS485 |
| Communication Protocol | Modbus-RTU Protocol (Default) |
| Temperature Display Resolution | 0.1℃ |
| Humidity Display Resolution | 0.1%RH |
| Data Update Rate | 1S |
| Transmitter Circuit Operating Conditions | –40 to +60°C, 0 to 80% RH |
| Mounting Hole Diameter | 70mm |
| Load Capacity | Voltage Output: Load resistance < 250Ω Current Output: < 600mA |
Outline Dimensions
Unit: mm
Installation Flexibility
The Industrial Temperature Humidity Transmitter offers both wall-mounting and standard DIN rail (35mm) installation options, requiring no additional tools or kits for seamless integration into both new and existing systems.
Wall Mounting: Ideal for retrofit projects with limited space or for direct point-of-measurement monitoring. Equipped with integrated mounting holes on its back, the transmitter can be securely and quickly fixed using just two screws, simplifying installation on walls, inside cabinets, or on equipment surfaces.
DIN Rail Mounting: Optimized for industrial control cabinets, distribution boards, and scenarios requiring centralized deployment of multiple transmitters. It easily clips onto a standard rail, facilitating integration, maintenance, and future system expansion.
Wall mounting example & DIN rail mounting example
Installation Tip: To ensure measurement accuracy and optimal response time, install the unit in a location with adequate air circulation around the sensor probe. Avoid placing it in dead-air spots or in direct proximity to heat or cold sources.
Ordering Guide
|
Model |
- |
Output Signal |
- |
Probe Type |
|
HT711-1A3H |
- |
S7 |
- |
1 |
|
Model |
Output Signal |
Probe Type |
||
|
HT711-1A3H |
Signal Output |
Code |
Probe Type |
Code |
|
4–20mA |
S1 |
Built-in Probe |
1 |
|
|
0–5V |
S3 |
External Probe |
2 |
|
|
0–10V |
S4 |
External Probe with Cable |
3 |
|
|
RS485 (Modbus-RTU) |
S7 |
|||
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