The Loggers are designed for operation in warehouses, chambers, fridges and freezers. Loggers have internal RH sensor and either an internal or external temperature sensor. There is an option to read 4/20mA, 0-10v or contact switch inputs.

• Internal RH Sensor: Range 0-100%RH, Accuracy 2%RH
• Internal Temperature: Range -40°C to 60°C, Accuracy 0.5°C
• External Temperature: Range -200°C to 200°C, Accuracy 0.1°C to 0.3°C
• Battery Life: e.g. 2 years @ 1 min sample rate

The loggers store up to 10,000 samples per sensor permitting the operation as a data logger if RF communication is not possible, e.g. one logger placed in a warehouse exhaust HVAC duct. The logger will resume transmitting data once it is in RF communication with the base station or other logger.

• RF Mesh Networking technology provides reliable realtime process data. Uses global 2.4GHz RF frequencies
• 100% guarantee of validation data delivery
• Ability to store data as a logger if no RF network available
• Two year battery performance
• Operates standalone or with PC connected
• Intuitive study setup and extensive calculations
• Best in class data analysis tools
• Report tool can process and create merged reports
• Provides temperature to 0.1°C accuracy, RH to 2%RH, 4/20mA, 0-10v and contact switch inputs

Mesh networking technology is proven in many harsh environment applications. Its implementation in the Kaye product line allows up to 100 nodes to be connected in a seamless, reliable and self forming mesh network. The mesh technology permits nodes to communicate with the base station and each other, correcting for weak RF links and automatically adjusting to dynamic RF environment.

English

The X2534 ValProbe surface temperature logger design provides enhanced and precision wireless measurement capability ideal for freeze dryer shelf temperature measurement over an extended temperature range from -85°C to +140°C.

The embedded RTD technology is integrated into a unique compact surface design, delivering unrivaled measurement accuracy, stability, and response time over the full temperature range. In addition, the Freeze Dryer Logger has been designed to minimize power consumption to deliver maximum battery performance in extremely cold environments.

The new surface Logger is compatible with the existing ValProbe family of Loggers, Readers and software. It is designed for easy on-site user verification between studies with the traditional IRTD and the low temperature CTR-80 bath. Using the standard Kaye Report Wizard, Validation engineers are guaranteed consistent reports among all Kaye products with the capability to merge study data with a Kaye Validator or the RF ValProbe. The surface Logger and Report Wizard offer added value when performing validation execution, saving time and money.

The ValProbe system satisfies FDA Regulation 21 CFR Part 11 requirements for electronic signatures, and records and complies with DIN ISO 17665 for saturated steam sterilization and is used to fulfill GMP requirements.

Features of the X2534

• Unique integrated design with embedded RTD technology
• Wireless sensing design that maximizes thermal response time and performance
• Self-adhering thermal pad insures continuous thermal conductivity during vacuum cycles for ultimate surface measurement performance
• Temperature range for complete logger: -85°C to 140°C
• Battery life performance — Designed for maximum battery life at extremely cold conditions
• Fully compatible with the full family of ValProbe Loggers, Readers and Software

• Freeze Dryer
• Cryogenic Vessels
• Freezers
• Incubators
• Warehouses
• Sterilizers
• Surface Measurement

Data Logger Specifications

Sensing Element	Precision Platinum RTD
Measurement Range and Accuracy	0° to 140°C ±0.1°C -85° to 0°C ±0.25°C
Environmental Temperature Humidity Pressure	-85° to 140°C 0% to 100% humidity, condensing 0 to 10 bar absolute (0 to 130 psia)
Logger Material	316L stainless steel;
Logger Dimensions	Height 2.28 in x 1.41 in diameter (58 mm x 36 mm)
Sensing Area Dimension	1.34 in (34 mm) diameter
Battery	Field-replaceable 3.6 V lithium thionyl chloride 1600 hours at 1 sec at 20°C/180 hours at 1 sec at -85°C
Sampling Rate	1 second to 12 hours
Data Storage	10,000 samples retained in non-volatile EEPROM memory
Calibration	Factory calibrated (NVLAP accredited) with user calibration capability
Real Time Clock Accuracy	15 seconds per 24 hours (0.0174%)
Regulatory Compliance	UL and CE
Thermal Contact Pad	Die cut thermal pad with natural inherent tack to logger

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