The model 5491A is a very accurate 50,000 count, dual display, true RMS bench multimeter. The meter is 50,000 count Dual Display Multimeter. The meter is designed for bench-top, field service, and system applications with a high performance/price ratio. Impression with the RS-232 computer interface (standard), the meter is fully programmable for use on the RS-232 interface.

This meter has been designed and tested according to EN61010-1 (IEC1010-1), Safety Requirements for Electronic Measuring Apparatus. This manual contains information and warns which must be followed to ensure safe operation and retain the meter in safe condition. Use of this instrument in a manner not specified herein may impair the protection provided by the equipment.

Features:

- Low cost and high performance
- True RMS (AC, AC + DC)
- Resistance measurements up to 50MΩ
- Measures frequency to 500KHz
- DBm measurement
- RS 232 Interface

Specifications:

DC Voltage:
•Maximum Range: 1000V
•Best Accuracy: +0.02% + 4 dgts.
•Best Resolution: 10µV
AC Voltage (True RMS) Freq. 50Hz to 10KHz
•Maximum Range: 750V
•Best Accuracy: +0.5% + 15 dgts.
•Best Resolution: 10µV
DC Current
•Maximum Range: 10A
•Best Accuracy: +0.05 + 4 dgts.
•Best Resolution: 1µA
AC Current (True RMS, AC Coupled) Freq. 50Hz to 2KHz
•Maximum Range: 10A
•Best Accuracy: +0.5 + 25 dgts.
•Best Resolution: 10µA
Resistance
•Maximum Range: 50MΩ
•Best Accuracy: +0.1 + 3 dgts.
•Best Resolution: 10mΩ
Frequency
•Maximum Range: 500KHz
•Best Accuracy: +0.01 + 3 dgts.
•Best Resolution: 10mHz