Ambient air sensor IRTD 400

calibrationtemperaturemonitoring

Description
The IRTD-400 is a high-accuracy, traceable temperature reference probe used with Kaye validation systems to calibrate and verify temperature sensors. During calibration the DUT (device under test) is compared to the IRTD and offsets are calculated and stored automatically. Its operating range from -196 °C to 420 °C makes it suitable for a wide range of industrial and laboratory temperature validation tasks.

Temperature reference and integration
The IRTD communicates directly with Kaye automated validation systems. With an overall accuracy of ±0.025 °C the IRTD provides a 4:1 ratio when calibrating sensors to 0.100 °C. IRTDWin® software records stability and performance numerically and graphically and the Kaye calibration interface (USB) supports up to two probes with display resolution to 0.001 °C. The interface is powered via the host USB when used with ValProbe systems (no external supply required).

IRTD Display
The Kaye IRTD Display is a standalone 4.3" touchscreen that connects to up to two IRTD probes, showing real-time temperature and the delta between probes. It supports both IRTD connector types and presents data in a format suited to calibration workflows.

Features

• Temperature range: -196 °C to 420 °C
• Accuracy over range: ±0.025 °C
• Resolution: 0.001 °C
• Sensor element: 200 Ω platinum RTD
• Sheath material: Inconel™ 600
• Minimum immersion depth: 101.6 mm (4")
• Calibration traceable to NIST or PTB; recommended interval: 1 year
• Measurement rate: probe up to 30 readings/s; interface/display typically 1 reading/s
• Ambient: 0 to 60 °C; Humidity: 0–95% non-condensing
• Dimensions: overall length 603 mm; grip 89 × 32 mm; sensor sheath 457 × 6.35 mm

Applications
Used where traceability and high accuracy are required: laboratory calibration, process validation, sensor verification across cryogenic to high-temperature processes.

Specifications

• Model: IRTD-400
• Temperature range: -196 °C to 420 °C
• Accuracy (over range): ±0.025 °C
• Resolution: 0.001 °C
• Sensor: 200 Ω platinum RTD
• Sheath: Inconel 600
• Minimum immersion: 101.6 mm (4")
• Power to probe: unregulated DC 10–25 V (first probe 850 mW at 15 V; additional probes 550 mW each)
• Power supply options: adapter 110 VAC (US) or 230 VAC (VDE) — not required when used with ValProbe USB power
• Measurement rate: interface lists 1 reading/s, probe electronics support up to 30 readings/s
• Calibration: traceable to NIST / DAkkS (PTB); recommended recalibration period 1 year