Fluke 9144-A-156 Metrology Well

Overview

The Fluke 9144-A-156 is a high-temperature field metrology well designed for precision temperature calibration in industrial process environments. With a range of 50°C to 660°C, this dry-block calibrator is lightweight, portable, and quick to reach temperature setpoints while maintaining metrology-grade accuracy and stability. It comes equipped with Insert A to accommodate multiple probe sizes with mixed imperial holes.

Key Features

• Temperature Range: 50°C to 660°C (122°F to 1220°F)
• Display Accuracy: ±0.35°C at 50°C, ±0.35°C at 420°C, ±0.5°C at 660°C
• Stability: ±0.03°C at 50°C, ±0.04°C at 420°C, ±0.05°C at 660°C
• Radial Uniformity: ±0.02°C at 50°C, ±0.05°C at 420°C, ±0.14°C at 660°C
• Axial Uniformity (40 mm): ±0.05°C at 50°C, ±0.2°C at 420°C, ±0.3°C at 660°C
• Hysteresis: 0.1°C
• Immersion Depth: 150 mm (5.9 in)
• Insert A with six holes: 1/4 in (2), 1/8 in (1), 3/16 in (1), 3/8 in (1)
• Large LCD display readable in low-light conditions
• Lightweight and portable — less than 8.2 kg (18 lb)
• Visual and audible stability indicator for calibration readiness

Applications

• Transmitter loop calibration
• Thermocouple calibration and verification
• RTD and PRT calibration
• Thermostatic switch testing
• Industrial thermometer verification

Included Accessories

• Insert A (mixed imperial holes: 1/4″×2, 1/8″×1, 3/16″×1, 3/8″×1)
• User manual
• Technical manual on CD
• Serial cable
• Report of calibration
• Insert removal tool