Extech Instruments 421509 Скачать руководство пользователя страница 3

421509-en-GB_v2.6   8/16 

3

Operation 

There are three operation modes—

Normal

Shift

, and 

Setup

 

mode

 

 

Normal Mode

 

This is the default mode. The operating functions for normal mode are printed on the face of each 
button in white. The following functions can only be used in Normal Mode. 

Power Button 

The Power key turns the thermometer ON or OFF. When entering data in Setup Mode, the power 
off function is disabled. 

[Limits] Button 

The Limits function will alert the user when a measurement exceeds a specified limit. To set the limit 
values, refer to the limits function in the Setup Mode. Press the [Limits] button to activate the Limits 
function ("LIMIT" will be displayed on the LCD). When the measured temperature on the main 
display is higher than the High Limit (or lower than the Low Limit), the alarm beeper emits a tone 
and "Hi" “or “Lo” is displayed. Note: The tones for High and Low Alarms are different; the High 
Alarm tone is pulsed while the Low Alarm tone is continuous. Note: When reading over 2000°F 
using a K or J thermocouple, the reading should be multiplied by 10. (example: 2100°F x 10 = 
21000). To exit the Limits function, press the [Limits] button. In this mode, the automatic power-off 
feature is disabled along with the following keys: REL, HOLD, & MIN MAX. 

Backlight Button 

(INVT) 

Press the backlight button to toggle the backlighting on and off. 

SAVE/READ Button 

The Read data function is used for reading saved data. It works in conjunction with the Save 
function in the Shift Mode.  
1. 

Press the SAVE/READ button to activate the read data function. The word READ will be 
displayed on the LCD.  

2. 

Press the “SECOND” button until the # sign is displayed in the bottom left display. The location 
of the read pointer within the saved data table will be displayed.  

3. 

Press the “

3

” or “

6

” button to display the next data location.  

Press the “

2

” or “

5

” button to increment the data location by ten.  

4. 

Press the overlay “ESC” button to deactivate the read data function. 

LOG/READ Button 

The read log function is used for reading logged data. It works in conjunction with the Log function in 
Shift Mode.  
1. 

Press the LOG/READ button to activate the read log function. The word READ will be 
displayed in the lower right display.  

2. 

Press the overlay “SECOND” button to rotate through the following display menus: T1, T2, 
GRP, and #. T1 and T2 displays the T1 or T2 saved value. GRP displays the current group 
number and # displays the current location of the read pointer within a selected group.  

3. 

The arrow buttons on the overlay are used for scrolling through the saved data.  
Press the “

3

” or “

6

” buttons to display the next data location or group.  

Press the “

2

” or “

5

” buttons to increment to the next data or group location by ten. To 

navigate around the logged data and groups, press the overlay “SECOND” button until “GRP” 
appears in the display. Select the group using the arrow buttons, then press the “SECOND” 
button again until the “#” sign is displayed. The location of the read pointer will be displayed. 
Use the arrow keys to scroll through the data.  

4. 

Press the overlay “ESC” button to deactivate the read log data function. 

 

Содержание 421509

Страница 1: ...imum data capacity Backlit LCD Display T1 T2 T1 T2 displays MIN MAX AVG Record Recall Selectable temperature units C F Data Hold Relative Mode Elapsed Timer PC Interface ESC 0 ENTER 1 2 3 4 5 6 7 8 9 DISPLAY C F Limits LOG READ TYPE T1 T2 REL HOLD SHIFT OFS CLR SET SAVE READ TIME T1 T2 APO MAX MIN INVT TYPE T1 T2 MAIN SECOND THIRD 421509 T1 F T1 T2 K APO F T1 ...

Страница 2: ... device WARNING To avoid electrical shock do not use this instrument when working near voltages over 24V AC DC WARNING To avoid damage or burns do not make temperature measurement in microwave ovens CAUTION Repeated flexing can break the thermocouple leads To prolong lead life avoid sharp bends in the leads especially near the connector This symbol on the instrument indicates that the operator mus...

Страница 3: ...ith the Save function in the Shift Mode 1 Press the SAVE READ button to activate the read data function The word READ will be displayed on the LCD 2 Press the SECOND button until the sign is displayed in the bottom left display The location of the read pointer within the saved data table will be displayed 3 Press the 3 or 6 button to display the next data location Press the 2 or 5 button to increm...

Страница 4: ...With the REC MAX MIN icon on the display the main display shows the difference between Max and Min 5 With the REC AVG icon on the display the main display shows only the average of all the readings recorded Note that the averaging limit is 22 hours After 22 hours the last average reading display is held on the LCD The meter emits a tone when a new minimum or maximum value is recorded Use the HOLD ...

Страница 5: ...ed in one log session Press the LOG button again to exit the data log function CLR Button The CLR function clears all the saved and logged data in memory When the CLR button is pressed MEM is displayed and CLR flashes on the upper right of the LCD Press the overlay ENTER button to clear all saved and logged data or the ESC button to exit the function REL Button Press the REL key to enter the Relat...

Страница 6: ...ress the number buttons printed in white on the overlay to set Hi and Lo limit values The button same as the ESC overlay can be used to set a negative value Setting is from left to right digit Press the ENTER button to confirm each setting Mini DIN Hi Lo Alarm Output The alarm output jack refer to Figure 1 located on the top of the meter can be used to power external warning or switching devices w...

Страница 7: ...ain display will blink showing the previous setting Press the number buttons printed in white on the overlay to change the offset The resolution is 0 1 Use the button to set a negative value Press the ENTER button to confirm MAX 1999 9 C F System Time Setting To set or change the system time press the TIME button in Setup Mode The time and date in the bottom right display will blink Enter from lef...

Страница 8: ...red as text files on a PC The data files can then be exported to spreadsheet or other programs for further manipulation graphing sorting filing etc Connecting the Meter to a PC Connect the Optical Interface connector to the 421509 Thermometer The IR2 label should be facing up Connect the USB connector to the PC COM port 1 16 PC Requirements Note Please visit the www extech com website for the late...

Страница 9: ...o F 0 1o C 1o F 2000 J type 346 to 2192o F 210 to 1200o C 0 1o F 0 1o C 1o F 2000 T type 328 to 752o F 200 to 400o C 0 1o F 0 1o C E type 346 to 1832o F 210 to 1000o C 0 1o F 0 1o C R type 32 to 3212o F 0 to 1767o C 1o F 1o C S type 32 to 3212o F 0 to 1767o C 1o F 1o C N type 58 to 2372o F 50 to 1300o C 0 1o F 0 1o C Accuracy Specifications Thermocouple Accuracy K J T E types 0 05 rdg 0 6o F 58o F...

Отзывы: