Fluke 9190A-DW-156 Ultra-Cold Dry-Well

Overview

The Fluke 9190A-DW-156 is an ultra-cold dry-block calibrator designed for precision temperature measurement and calibration without a fixed insert. It offers an exceptional temperature range from -95°C to 140°C with stability of ±0.015°C, making it ideal for pharmaceutical, biomedical, and food processing applications requiring ultra-cold calibration. The dry-block design eliminates the need for calibration fluids, ensuring clean room compatibility and ease of transportation. This model accommodates custom inserts or can be used with external temperature-sensing probes.

Key Features

• Temperature range: -95°C to 140°C at 23°C ambient
• Stability: ±0.015°C full range
• Axial uniformity: ±0.05°C full range at 40 mm depth
• Radial gradient: ±0.01°C full range
• Resolution: 0.01°C
• Well immersion depth: 160 mm (6.3 in)
• Fast cooling: 80 minutes to -90°C, 90 minutes to -95°C from 23°C
• Dual heater zone for superior temperature control
• Programmable up to 8 set-point temperatures with automatic ramping and soaking
• LCD display with user-selectable °C or °F
• Computer interfaces: RS-232 and USB Serial
• Built-in handles for two-handed carry
• EURAMET cg-13 measurement practice compliant
• No fixed insert—compatible with optional inserts or external probes

Applications

• On-site verification and calibration of RTDs, thermocouples, and thermometers
• Sensor calibration for medical equipment including freezers and autoclaves
• Laboratory refrigerator and cold room temperature validation
• Blood bank and sterilizer temperature calibration
• Freeze dryer temperature verification
• Industrial process control equipment calibration

Included Accessories

• 2-meter (6-foot) mains power cord
• USB cable
• Getting Started Manual
• Calibration Report and Label
• Well Insulator Cap
• Insert Removal Tool