In this section:
General ratings ......................................................................... 2-1
Cooling vents ........................................................................... 2-7
Menu overview ....................................................................... 2-10
Beeper ................................................................................... 2-16
Display mode ......................................................................... 2-16
Basic operation ...................................................................... 2-17
Range .................................................................................... 2-72
Digits ...................................................................................... 2-77
Speed ..................................................................................... 2-78
General ratings
The Model 2657A instrument's general ratings and connections are listed in the following table.
Category
Supply voltage range
Input and output connections
Environmental conditions
Specification
100 V AC to 240 V AC, 50 Hz or 60 Hz
See
Rear panel
(on page 2-5)
For indoor use only:
Altitude: Maximum 2000 meters (6562 feet) above sea level
Operating: 0 °C to 50 °C (32 °F to 122 °F), 70% relative humidity up to 35 °C.
Derate 3% relative humidity/°C, 35 °C to 50 °C (95 °F to 122 °F)
Storage: −25 °C to 65 °C (−13 °F to 149 °F)
Section 2
General operation