EX320-EU-ENG V5.1 6/09
14
General Specifications
Diode Test Test current: 0.3mA max., Open circuit voltage: 1.5V DC typ.
Continuity Check Audible signal will sound if the resistance is less than 100
Input Impedance 10MΩ (VDC & VAC)
AC Bandwidth 50 / 60Hz
Display 2000 count (0 to 1999 digits) backlit LCD
Overrange indication For all functions “OL” is displayed
Auto Power Off After 15 minutes (approximately) of inactivity
Polarity No indication for positive; Minus (-) sign for negative
Measurement Rate 2 times per second, nominal
Low Battery Indication “ ” is displayed if battery voltage is critically low
Battery Two (2) 1.5V ‘AAA’ batteries
Fuses mA, µA ranges: 500mA/250V fast blow;
’A’ range: 10A/250V fast blow
Operating Temperature 32ºF to 122ºF (0ºC to 50ºC)
Storage Temperature -4
o
F to 140
o
F (-20
o
C to 60
o
C)
Operating Humidity <70% RH
Storage Humidity <80% RH
Operating Altitude 7000ft. (2000meters) maximum.
Weight 9.17 oz (260g) (includes holster).
Size 5.8” x 2.9” x 1.6” (147 x 76 x 42mm) (includes holster)
Approvals CE
Safety This meter is intended for indoor use and protected, against the
users, by double insulation per EN61010-1 and IEC61010-1 2nd
Edition (2001) to CAT II 1000V & CAT III 600V; Pollution Degree 2.
The meter also meets UL 61010-1, Second Edition (2004),
CAN/CSA C22.2 No. 61010-1, Second Edition (2004), and UL
61010B-2-031, First Edition (2003)
PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY
OVERVOLTAGE CATEGORY I
Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in
which measures are taken to limit the transient overvoltages to an appropriate low level.
Note – Examples include protected electronic circuits.
OVERVOLTAGE CATEGORY II
Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be
supplied from the fixed installation.
Note – Examples include household, office, and laboratory appliances.
OVERVOLTAGE CATEGORY III
Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.
Note – Examples include switches in the fixed installation and some equipment for
industrial use with permanent connection to the fixed installation.
OVERVOLTAGE CATEGORY IV
Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation.
Note – Examples include electricity meters and primary over-current protection equipment
Copyright © 2007 Extech Instruments Corporation.
All rights reserved including the right of reproduction in whole or in part in any form.
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