VWR Collection Manual ver 1, rel 1 20.02.2017
1. To reset both minimum and maximum memories - press MEMORY CLEAR button.
2. To reset individual minimum and maximum memories - press either the MIN or MAX button (on
back of unit) once to reset the respective memory. The other memory will remain unaffected.
NOTE:
You must be in MIN/MAX Display Mode to reset the memories.
DISPLAYING °F OR °C
To display the temperature readings in Fahrenheit (°F) or Celsius (°C) slide the switch on the back of
the unit to °F or °C.
SETTING THE HIGH/LOW ALARM
1. Press the MODE button until the unit is in the ALARM DISPLAY MODE indicated by the display of
current temperature and HI and LO alarm settings.
2. To set the HIGH temperature alarm limit press the HI button on the back of unit to increment the
limit in 0.1° intervals; press and hold to increment the limit in 1° intervals.
3. To set the LOW temperature alarm limit press the LO button on the back of unit to increment in 0.1°
intervals; press and hold to increment the limit in 1° intervals.
ALARM
The unit will sound the alarm in both MIN/MAX DISPLAY MODE and ALARM DISPLAY MODE.
Note:
The alarm limits cannot be changed while an alarm is active.
Slide the ALARM ON/OFF switch to ON. When the current temperature display rises above the HI set
point, or falls below the LO set point, the alarm will sound for 1 minute and issue a 3 second repeater
beep every minute thereafter. The alarm will continue to sound even if the current temperature display
returns to an “in range” condition and the LCD will flash.
ALARM OPERATION
To clear the active alarm, press the Memory Clear button or slide the Alarm switch to the OFF
position. While in ALARM DISPLAY MODE, pressing either the MIN/LO or MAX/HI button will also
clear the alarm.
Alarm conditions will remain active until cleared, even if the temperature value returns to with the
alarm limits.
The alarm limits cannot be changed while an alarm is active.
VIEWING THE TEMPERATURE ALARM LIMITS
1. While in the ALARM DISPLAY MODE, slide the PROBE switch to the desired position (1 or 2) to
display the temperature sensor readings.
2. Display will show the current temperature and low/high alarm set points for the selected probe.
ENABLE/DISABLE ALARMS
To enable the alarm function, slide the ALARM switch to the ON position.