TEMP'O LoRaWAN Temperature Sensor - Watteco

Introduction

The TEMP'O from Watteco is a next-generation wireless LoRaWAN temperature sensor, specially designed for intelligent thermal monitoring of buildings and industrial applications. Developed by nke WATTECO, the European leader in IoT solutions, this compact sensor offers a complete solution for energy optimization and HVAC system monitoring. Made in France according to ISO 9001 quality standards, the TEMP'O stands out with its exceptional battery life up to 12 years and advanced data compression technology that significantly reduces network traffic. Available in several variants (indoor, with remote probes, temperature-humidity), it perfectly adapts to the requirements of smart buildings, data centers, cold rooms and critical industrial processes.

Key Functions :

High-precision thermal monitoring

• Ultra-precise measurement: ±0.2°C in nominal range (+6°C to +97°C) with 0.1°C resolution
• Extended ranges: Measurements possible from -30°C to +110°C according to application requirements
• Remote probes available: Versions with 1 or 2 waterproof IPx7 stainless steel probes for fluid measurements
• Multi-point monitoring: Ability to simultaneously measure two distinct zones (2-probe version)

Advanced LoRaWAN technology

• Long-range connectivity: Certified LoRaWAN® v1.0.2 communication, Class A
• Intelligent data compression: Differential compression algorithm reducing radio traffic by 80%
• Flexible configuration: Measurement and transmission periodicity independently configurable
• Regulatory compliance: Automatic compliance with European duty cycle (0.1%)

Optimized energy management

• Record battery life: Up to 12 years with daily measurements according to configuration
• Replaceable battery: Standard lithium AA 3.6V/2600mAh battery power supply
• Battery monitoring: Automatic monitoring with preventive maintenance alerts
• Energy saving mode: Adaptive algorithms to maximize lifespan

Intelligent alarm system

• Configurable thresholds: Definition of high and low thresholds with programmable hysteresis
• Real-time alerts: Immediate notifications when critical thresholds are exceeded
• Multi-measurement confirmation: Avoids false alarms through confirmation on consecutive measurements
• Alarm escalation: Automatic reminder system until acknowledgment

Intuitive user interface

• Magnetic configuration: Reed switch interface without opening housing (magnet included)
• Visual status LEDs: Network status and configuration mode indicators
• Integrated NFC tag: Product identification, serial number and maintenance traceability
• Remote configuration: Complete parameterization via LoRaWAN network without local intervention

Technical Specifications :

Measurement specifications

• Sensor type: NTC stainless steel high precision
• Nominal range: +6°C to +97°C (±0.2°C accuracy)
• Extended ranges:
  • -15°C to +5°C and +98°C to +110°C (±0.5°C accuracy)
  • -30°C to -16°C (±1°C accuracy)
• Resolution: 0.1°C in nominal range
• Response time: < 5 minutes (internal sensor), < 2 minutes (remote probe)
• Temporal drift: < 0.1°C per year

Radio communication

• Standard: LoRaWAN® v1.0.2 Region Parameter rev B, Class A
• Frequency: 868 MHz (European ISM band)
• Transmission power: +14 dBm EIRP
• Reception sensitivity: -137 dBm
• Typical range: 2-5 km in rural area, 500m-2km in urban area
• Activation: ABP (Activation by Personalization) or OTAA (Over-The-Air Activation)
• Antenna: Internal optimized, vertical polarization

Power supply and battery life

• Battery: Lithium AA 3.6V / 2600mAh to 3600mAh (replaceable)
• Usable capacity: 85% of nominal capacity (2.6Ah)
• Operating voltages: 2.0V to 3.8V
• Calculated battery life:
  • 10 years: transmission every 12h, hourly measurement (SF12)
  • 7 years: hourly transmission, measurement every 10min (SF12)
  • 12 years: compression mode with 1 transmission/day

Physical characteristics

• Main housing: White ABS plastic, compact dimensions
• Protection rating: IP55 (protection against dust and water splashes)
• Safety class: EN 60950-1 (SELV equipment)
• Mounting: Indoor wall mount, fixing base with screws or double-sided tape
• Recommended installation height: 1.5m from floor
• Operating temperature: -10°C to +55°C (electronics)
• Relative humidity: 0% to 90% RH non-condensing

Remote probes (specialized versions)

• Protection: IPx7 waterproof (temporary immersion)
• Material: Stainless steel tip, PVC sheath
• Probe diameter: 6mm
• Cable length: 2 meters standard
• Color coding: Blue/Red (2-probe version)
• Installation: Thermowell or direct pipe contact

Configuration and parameterization

• Measurement periodicity: 1 minute to 24 hours (configurable)
• Transmission periodicity: 1 minute to 24 hours (independent of measurement)
• Data format: Batch mode with differential compression
• Data labels: Temperature (0), Humidity (1), Battery (2)
• Alarm thresholds: Configurable with hysteresis 0.1°C to 10°C
• Operating mode: Continuous or threshold-triggered

Certifications and compliance

• LoRaWAN® Certified: Official LoRa Alliance certification
• RED Directive 2014/53/EU: European radio equipment compliance
• RoHS: Compliant with restriction of hazardous substances
• UKCA: UK conformity marking
• ISO 9001: Manufacturing under quality certification
• IEC 60529: International standard for IP protection ratings

Configuration tools

• Online service: LoRaEncoderConfiguration platform (https://lora.watteco.fr/)
• USB dongle: Local configuration for up to 50 sensors
• Secure provisioning: Pre-configured AppEUI/DevEUI/AppKey keys
• Decoding support: Codecs available for main IoT platforms

Available variants

• TEMP'O Indoor (50-70-231): Ambient temperature measurement only
• HYGROTEMP'O (50-70-205/232): Temperature + relative humidity (±2% RH)
• TEMP'O 1 Probe (50-70-043): One waterproof remote probe
• TEMP'O 2 Probes (50-70-163/164): Two remote probes for comparative measurements
• Tropicalized version: Soldered battery for very humid environments

Conclusion

The TEMP'O sensor from Watteco represents a reference solution for IoT thermal monitoring, combining exceptional precision, record battery life and ease of integration. Its data compression technology and configuration flexibility make it an optimal choice for smart building projects, energy efficiency and predictive maintenance requiring reliable and durable thermal monitoring.