Fluke HART SCIENTIFIC 1502A - Manual (Page 12)

2 Introduction
The 1502A is a low-cost high-accuracy digital thermometer readout designed to
be used with 25
Ω and 100Ω RTDs and SPRTs. Its unique combination of fea-
tures makes it suitable for a wide variety of applications from laboratory mea-
surement to industrial processes. Features of the 1502A include:
• Measures 25Ω and 100Ω RTDs and SPRTs
• Four-wire connection eliminates lead resistance effects
• Accuracy: 0.006°C at 0°C
• Resolution: 0.001°C
• Fast one-second measurement cycle
• Adjustable digital filter
• Accepts ITS-90 characterization coefficients
• Also accepts Callendar-Van Dusen and IPTS-68 coefficients
• Adjustable excitation current
• Displays temperature in Celsius, Fahrenheit, or Kelvin or displays resis-
tance in ohms
• Password protection of critical parameters
• Large, bright eight-digit LED display
• Serial RS-232 interface standard; IEEE-488 GPIB interface optional
• Detachable power cord
• Light weight, small and portable
• Sturdy, reliable construction
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2 Introduction