HW group Temp-485-Pt100
Industrial temperature sensors
- Accurate temperature measurement using a Pt100 temperature probe
- Measured temperature range is –190 to +150°C / –310 to +300 °F (Frost2 version)
- Up to 24 sensors in parallel on a single bus.
- Easy to use, with a Poseidon2 system or stand-alone
- Each probe is factory-tested and calibrated, calibration protocols can be supplied for a supplement.
- Suitable for use in industrial environments, communication over the RS-485 bus (up to 1000m).
Temp-485-Pt100 is a family of several thermometers for various conditions and temperature ranges. Temperature is measured using an accurate Pt100 or Pt1000 probe. Connects to the RS-485 bus. Temperature sensor is designed for connection to a Poseidon2 LAN measuring unit but can be used stand-alone as well.
Temp-485-Pt100 communicates over a 4-wire bus (RS-485 + power). Up to 24 sensors can be connected to a single bus with a total length of up to 1000 meters (Poseidon2 4002). The measured temperature is communicated over RS-485 in °C using a simple text-based protocol.
Temp-485-Pt100 is available in several versions. The “Box2” temperature sensor includes the temperature probe in a sensing rod. Other versions use a wall-mountable RS-485 converter and an external temperature probe on a cable.
The temperature probe is always included.
Temp-485-Pt100 Box2
- Wall-mountable thermometer. The probe is in the tip of the rod protruding from the plastic box.
Temp-485-Pt100 Cable3
- Wall-mountable box with the RS-485 / temperature probe converter. A Pt100/A probe (included) is connected with a 2m cable.
Temp-485-Pt100 Frost2
- Thermometer for measuring low temperatures, consists of a wall-mountable box with the RS-485 / temperature sensor converter.
A Pt100/B probe (included) is connected with a 2m cable.
Applications
- Industrial systems involving accurate temperature measurement
- Cooling plants with built-in temperature probes
- Accurate measurement of temperature in a wide range
- Large-scale measurement systems with many measuring points
- Measuring HVAC and environment conditions in smart buildings
- Independent measurements in food and crop storages
- Food plants and warehouses, difficult measurement conditions
- Temperature measurements in pharmaceutical storages
- Designed to work with Poseidon2 (only RS-485 enabled models) – temperature data transferred over LAN or Internet
- Option to store the readings (data logger) and read them over LAN (SNMP, Modbus/TCP)
- Works with the SensDesk.com online portal
- Works with the HWg-Trigger monitoring application and the HWg-PDMS data logging application
Temp-485-Pt100 Box2
Designed for wall mounting. The probe is in the tip of the rod protruding from the plastic box. The thermometer can be wall-mounted while maintaining IP65 protection.
Main parameters | |
Probe temperature range | –30°C to +70°C (–22 to 160°F) |
Measuring element | Pt100/A |
External dimensions | 62 x 144 x 35 mm |
Cover | IP65 (EN 60 529) |
Output | RS-485 (recommended for Poseidon2 4002) |
Temp-485-Pt100 Cable3
Temperature probe on a cable with a RS-485 converter in a wall-mountable box.
The external temperature probe (included) is on a 2m cable in a stainless-steel rod.
Main parameters | |
Probe temperature range | –50°C to +200°C (–58°F to +390°F) |
Measuring element | Pt100/A (IP67 protection) |
External dimensions | 62 x 95 x 35 mm |
Cover | –30 to +70°C (–22 to +160°F) |
Output | RS-485 (recommended for Poseidon2 4002) |
Temp-485-Pt100 Frost2
Temperature sensor for very low temperatures.
The RS-485 converter in a plastic box can be wall-mounted. The external temperature probe (included) is in a stainless-steel enclosure on a 2m Teflon cable.
Main parameters | |
Probe temperature range | –190°C to +150°C (–310°F to +300°F) |
Measuring element | Pt100/A (IP67 protection) |
External dimensions | 62 x 95 x 35 mm |
Cover | –30 to +70°C (–22 to +160°F) |
Output | RS-485 (recommended for Poseidon2 4002) |
Ordering
Temp-485-Pt100 Box2 | Box2 is a temperature sensor for wall-mounting with RS-485 output. Temperature is measured by an accurate Pt100/A external probe. Temperature range is –30 to +70°C (–22 to +160°F), IP65 protection. Can be used with Poseidon2 4002. |
Temp-485-Pt100 Cable3 | Cable3 is a temperature sensor with a RS-485 output. The temperature probe is external, on a cable. The converter can be wall-mounted. Temperature is measured by an accurate Pt100/A external probe on a 2m silicon cable. Temperature range is –50 to +200°C (–58 to +390°F), IP67 protection. Can be used with Poseidon2 4002. |
Temp-485-Pt100 Frost2 | Frost2 is a temperature sensor with an external probe on a cable for very low temperatures. The converter to RS-485 can be wall-mounted. Temperature is measured by a Pt100/B external probe on a 2m PTFE cable. Temperature range is –190 to +150°C (–310 to +300°F). Can be used with Poseidon2 4002. |
Poseidon2 – RS-485 accessories | |
Sensor RJ45 MIDDLE cable | RS-485 connecting cable, 0.5m. RJ45/4 terminal block pins (A, B, +, - ). (3 pairs) |
Sensor RJ45 LAST cable | RS-485 connecting cable, 0.5m. Use for the last (or the only) sensor on the bus (2 pairs). RJ45/4 terminal block pins (A, B, +, - ). |
Poseidon S-Hub | Hub to connect up to 8 sensors to the RS-485 bus (8x RJ45) |
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