Extech Instruments 42510A User Manual

42510A V3.2 9/08
5
The MODE button options
The MODE button is used to access the emissivity adjustment, unit of measure selection,
MAX-MIN feature, test-lock feature, and high-low alarms
1. Press and release the trigger
2. While HOLD is on the display, press the MODE button to enter the programming mode
and to step through and configure the following features. A blinking icon indicates the
feature is selected.
E= (Emissivity Value)
Press the ▲ or ▼ buttons to change the emissivity value from 0.10 to 1.00
C/F (Units of Measure)
Use the ▲ and ▼ buttons to select the unit of measure.
MAX-MIN (highest and lowest reading memory)
Press the ▲ or ▼ buttons to select MIN or MAX display
(Lock mode On/Off)
Press the ▲ or ▼ buttons to turn the lock feature ON or OFF.
(High Alarm On/Off)
Press the ▲ or ▼ buttons to turn the High Alarm feature ON or OFF.
(High Alarm setting)
Press the ▲ or ▼ buttons to set the high alarm limit value in the main display
(Low Alarm On/Off)
Press the ▲ or ▼ buttons to turn the High Alarm feature ON or OFF.
(Low Alarm setting)
Press the ▲ or ▼ buttons to set the Low alarm limit value in the main display.
Emissivity adjustment
An adjustable emissivity allows for accurate measurements on a variety of surface colors,
textures, reflectivity, and finishes. The topic of emissivity is covered in greater detail in a
subsequent section of this guide.
Temperature Units
The temperature units can be set to °F or °C in the programming mode using the ▲ and ▼
buttons
MAX (maximum) and MIN (minimum) Temperature display
The highest reading (MAX) or the lowest reading (MIN) encountered during a single
measurement scan is displayed in the lower left-hand display area on the LCD. Select MIN
or MAX in the programming mode using the ▲ and ▼ buttons
Lock feature
The LOCK feature disables the Auto Power Off feature for the period of use when
selected. The feature is useful for long term temperature monitoring and hands free use.
The meter will revert to auto power off if the trigger is pressed during a locked scan.
High and Low Alarm Feature
The meter has a programmable high and low alarm feature. When either alarm point is
reached the meter will alert the user via an audible beep and a blinking LCD display icon.
The alarm limit is set and the feature is enabled/disabled in the programming mode. The
setting is stored and memory and will remain as the ON condition until changed.

Extech Instruments 42510A Specifications

General

Brand	Extech Instruments
Model	42510A
Category	Thermometer
Language	English