Extech Instruments 421502, Руководство пользователя, Страница: 7 / 7

7
421502-en-GB_V2.0 3/19
Specifications
Display 5-digit multifunction LCD
Battery Power 9V (NEDA 1604, IEC 6F22, or 006P)
Auto Power OFF (APO) Meter switches OFF after approx. 30 mins. of inactivity
Battery life 160 hours typical with carbon zinc battery
Dimensions / Weight 192 x 91 x 52.5mm ( 7.5 x 3.6 x 2.1”) / 365g (11.7 oz.)
Type-J thermocouple range -200 ~ 1050
o
C (-328 ~ 1922
o
F)*
Type-K thermocouple range -200 ~ 1370
o
C (-328 ~ 2498
o
F)*
* Safety note : The supplied type-K thermocouple can only be used
to measure temperature to 260
o
C (500
o
F). To measure higher
temperatures please obtain a thermocouple rated for higher
temperature
Resolution 0.1
o
C (0.2
o
F)
Temperature units Selectable
o
C /
o
F
Accuracy ± (0.05% rdg + 0.3
o
C) -50
o
C ~ 1370
o
C
± (0.05% rdg + 0.7
o
C) -50
o
C ~ -200
o
C
± (0.05% rdg + 0.6
o
F) -58
o
F ~ 2498
o
F
± (0.05% rdg + 1.4
o
F) -58
o
F ~ -328
o
F
Temperature Coefficient 0.1 times the applicable accuracy specifications per
o
C from 0
o
C ~
18
o
C and 28
o
C ~ 50
o
C (32
o
F ~ 64
o
F and 82
o
F ~ 122
o
F)
Water resistant housing Gasket protected front panel
Input Protection 24VDC or 24VAC rms max. input on any combination of inputs
Measurement rate One reading per second
Input connectors Accepts standard miniature thermocouple connectors
Supplied thermocouple Type-K with Teflon® insulation. Cable length: 4 ft. (1.2m)
Max. insulation temperature: 260
o
C (500
o
F)*
Accuracy: ± 2.2
o
C (4
o
F) or ± 0.75% of reading (whichever is greater)
*Safety note : The supplied thermocouple can only be used to
measure temperature to 260
o
C (500
o
F). To measure higher
temperatures please obtain a thermocouple rated for higher
temperature.
Operating conditions 0 to 50
o
C (32 to 122
o
F); less than 80% RH
Storage conditions -20 to 60
o
C (-4 to 140
o
F); less than 70% RH
Alarm beeper volume 95dB