Extech 421509 Handleiding
Extech
Omgevingsthermometer
421509
Lees hieronder de 📖 handleiding in het Nederlandse voor Extech 421509 (9 pagina's) in de categorie Omgevingsthermometer. Deze handleiding was nuttig voor 53 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
Pagina 1/9
USER GUIDE
Dual Input, 3-Display Thermometer/Datalogger
Model 421509
Accepts J, K, T, E, R, S, & N thermocouples
Internal Memory stores up to 16 data sets,
with 1024 maximum 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
789
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 T 1-T 2
K
APO
¡F T 1
421509-en-GB_v2.6 8/16
2
Introduction
Congratulations on your purchase of Extech’s Dual Input, 3-Display, Hand-Held Digital
Thermometer/Datalogger. This portable digital thermometer is designed to use external K / J / T / E /
R / S / N type thermocouples (K-type supplied). Temperature indication follows Reference
Temperature/Voltage Tables (N.I.S.T. Monograph 175 Revised to ITS-90). It features an adjustable
T/C offset and an RS-232 interface for uploading data to a PC using the supplied software and
cable. This professional meter, with proper care, will provide years of safe reliable service.
Safety Information
Please read the safety and operational instructions before using this 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 must refer to an explanation in this
manual.
Meter Description
1. Optical RS-232 Interface
2. Thermocouple inputs
3. Mini DIN I/O port
4. Triple LCD Display
5. Keypad Overlay
6. Keypad
7. Protective rubber holster
8. Battery compartment on rear
9. 12VDC Adaptor input
!
ESC - 0 ENTER
1 2 3
4 5 6
789
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 T 1 -T 2
K
APO
¡F T 1
1
2
3
4
5
6
7
8
9
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) mperature on the main . When the measured te
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.
Product specificaties
| Merk: | Extech |
| Categorie: | Omgevingsthermometer |
| Model: | 421509 |
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