Low-temperature data-logger Kaye ValProbe RT

temperaturefor temperature traceabilityfor storage

Description
The Kaye ValProbe RT surface temperature logger provides precision wireless measurements in a compact, ultra‑flat surface form factor. It is designed for accurate shelf temperature measurement and mapping in freeze dryers and performs over an extended range from -85°C to 140°C, using an integrated platinum RTD for excellent stability and response time.

Features

• Temperature range for complete logger: -85°C to 140°C
• Ultra‑flat surface sensor
• Surface sensor diameter: 32 mm (1.26”)
• Optimized surface design for low vacuum applications
• Wireless real‑time RF capability

Applications

• Freeze dryer / Lyophilization (shelf temperature measurement and mapping)
• Freezers and cold storage
• Steam sterilizers
• Water cascade / fall sterilizers

Technical specifications

• Sensor Type: Ultra Flat Surface Sensor (platinum RTD)
• Tip Diameter: 32 mm
• Measurement Range: -85°C to 140°C
• Accuracy: ±0.1°C over -85°C to 140°C
• Logger Dimensions: Height 1.9" / Diameter 1.4" (48 mm / 36 mm)
• Logger Material: Stainless Steel 316L and PEEK
• Battery: Field replaceable – 3.6 V Lithium
• Sampling Rate: Starting at 1 second
• Data Storage: 100,000 samples retained in non‑volatile memory
• Real‑Time Clock Accuracy: < 15 sec/day
• Calibration: NVLAP (NVLAP LAB CODE 200913-0) / DAkkS calibration available
• Verification: Automated user verification capability
• Sensing Element: Precision platinum RTD
• Environmental Temperature: -85°C to 140°C
• Environmental Pressure: 0–5 bar absolute
• Environmental Humidity: 0–100% condensing
• Regulatory Compliance: UL and CE