2-1
2. PREPARATION FOR USE
General Information
This manual provides operating instructions and maintenance information for two calibrator
instruments, CL940A and CL945A. These instruments are high performance calibrator-
thermometers capable of simulating and measuring a wide-variety of sensors. In addition,
features such as high accuracies, preset storage, ramp, step and transfer modes further
enhance their versatility.
It is recommended that you read this manual thoroughly, especially the sections on safety,
prior to operating these instruments.
Feature Overview
• 0.01° / 0.1 ° display resolution
• Internal storage for 20 presets
• 500-hour battery life
3
• Five (5) digit dual LCD with LED Backlight
• Simultaneous Source/Measure
• Comprehensive real-time statistics: MIN, MAX, AVG, RNG, and STDEV
• Easy to clean
• Probe offset function to minimize probe error
• °F, °C, and mV temperature and voltage units
• Durable: Meets MIL-PRF-28800F, Class 2 requirements
• Tilt Stand/Magnet/Hanger
3
Typical battery life under normal use conditions in laboratory environment. Continuous or repeated use of
features such as the backlight or use or storage at high or low temperature extremes may reduce battery life.