HTP501
Available on backorder
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The HTP501, distributed by Instromart, offers unmatched reliability for digital environmental sensing in harsh and high-performance industrial conditions. With flexible configuration, durable design, and precise data output, it’s a powerful solution for engineers and integrators needing long-lasting measurement performance.
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HTP501 - High-Precision Humidity and Temperature Probe for Industrial Applications
The HTP501 pairs rugged construction with high-performance sensing to deliver accurate humidity and temperature data. With Modbus RTU output, stainless steel construction, and robust sensor protection, it ensures accurate performance in environments exposed to high temperatures, pressure, and contamination.
Specifications
| Measured Values | Humidity, Temperature, Dew Point, Frost Point, Absolute Humidity, Mixing Ratio. |
| Humidity Range | 0 to 100 % RH |
| Temperature Range | -40 to +120 °C |
| Humidity Accuracy | Up to ±1.8 % RH (see range-based accuracy) |
| Temperature Accuracy | ±0.1 °C at 20 °C |
| Output | RS485, Modbus RTU |
| Power Supply | 8–35 V DC |
| Response Time | <15 seconds (t90 at 20 °C) |
| Housing Material | Stainless steel. |
| Protection Rating | IP66 |
| Pressure Resistance | Up to 20 bar |
| Probe Length Options | 200 mm / 400 mm |
| Configuration Tool | PCS10 software. |
Main Features
- Capable of capturing both humidity and temperature over extended measurement ranges.
- Communicates digitally through RS485 interface with Modbus RTU protocol support.
- Provides detailed environmental values like mixing ratio, absolute humidity, dew point, and frost point.
- High accuracy: up to ±1.8% RH and ±0.1 °C at 20 °C.
- Durable stainless-steel enclosure rated IP66.
- Resistant to harsh media and pressurized systems (up to 20 bar).
- Sensor coating protects against dust, condensation, and corrosive substances.
- Available with 200 mm or 400 mm probe length and various cable options.
- Configurable via PCS10 software or used as part of the modular Sigma 05 system.
- Humidity range: 0 to 100 % RH (non-condensing).
- Temperature range: -40 to +120 °C.
- Humidity accuracy:
• ±(0.95 + 0.0013 × RH) % for -15 to +40 °C and RH ≤ 90%
• ±1.8 % RH for -15 to +40 °C and RH > 90%
• ±(1.05 + 0.0084 × RH) % for -25 to +70 °C
• ±(1.15 + 0.013 × RH) % for -40 to +120 °C - Temperature accuracy: ±0.1 °C at 20 °C.
- Output signal: RS485, Modbus RTU protocol.
- Power supply range: 8 to 35 V DC.
- Sensor response time: <15 seconds (t90 at 20 °C).
- Enclosure: Stainless steel, IP66 protection.
- Cable interface: M12 connector with optional high-temperature cable.
- Pressure rating: Up to 20 bar.
Industrial Applications
- Humidity and temperature control in drying processes (e.g., wood, textile, paper).
- Industrial HVAC and climate regulation systems.
- High-pressure systems exposed to chemical or thermal stress.
- Environmental monitoring in food, pharma, or manufacturing facilities.
- Integration into modular sensor hubs like Sigma 05 for expanded control and display.
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