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Details
Versatile Sensor Compatibility
The TM3-485 is compatible with any PT100 or PT1000 temperature sensor, offering:
- Flexibility in sensor choice
- High precision measurements
- Compatibility with existing temperature monitoring setups
Dual Channel Measurement
This converter features two input channels for temperature measurements, allowing users to monitor:
- Two points of module temperature, or
- One module temperature and one ambient temperature
High-Precision Digital Output
Equipped with a dedicated 16-bit converter and RS-485 Modbus RTU output, the TM3-485 ensures:
- Exceptional measurement accuracy (± 0.2°C)
- Reliable data transmission over distances up to 600 meters
- Easy integration with various monitoring systems and data loggers
Robust Design for Outdoor Use
Engineered for long-term outdoor deployment, the TM3-485 features:
- IP67-rated coated grey aluminum casing
- Resin conformal coating for added protection
- Wide operating temperature range (-40°C to +125°C)
Precision-Oriented Design
The TM3-485 is specifically designed for applications requiring high-precision temperature measurements, making it ideal for accurate Performance Ratio (P/R) calculations in photovoltaic systems.
Specifications
- Product Name: TM3-485 PRO (Temmeter-485)
- Sensor Compatibility: Any PT100 or PT1000 (2, 3, or 4-wire configuration)
- Measured Value Range:
- Sensor 1: -40°C to +110°C (tolerance ± 0.2°C)
- Sensor 2: -30°C to +110°C (tolerance ± 0.2°C)
- Temperature Sensor Resolution: Depends on the PTC used
- Precision of Converter: ± 0.15°C
- Overall Precision: ± 0.2°C
- Output: RS-485, standard Modbus RTU protocol
- Signal Distance: At least 600 m
- Non-linearity: ≤ 0.3%
- Supply Voltage: 8 – 30 V DC, consumption < 0.06 A (protected against reverse polarity and overvoltage)
- Power Consumption: 0.1 W (@ 12V)
- Encapsulation: Resin conformal coating
- Casing: IP67 – Coated grey Aluminium
- Connectors:
- INPUT: M12 – 8 Pin FEMALE
- OUTPUT: M8 4 Pin MALE
- Dimensions: 97 x 64 x 34 mm
- Operating Temperature: -40°C to +125°C (tolerance ± 0.2°C)
- Box Working Temperature: -30°C to +85°C
- Operating Humidity: 0 to 95% RH
- Weight: 200 g
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Possible combinations
This table outlines the various configurations and their corresponding applications, helping you quickly identify the best solution for your system.
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