General Specifications - Extech Instruments EX330 User Manual

General Specifications

Diode Test
Continuity Check
Temperature Sensor
Input Impedance
AC Bandwidth
Display
Overrange indication
Auto Power Off
Polarity
Measurement Rate
Low Battery Indication "
Battery
Fuses
Operating Temperature 32ºF to 122ºF (0ºC to 50ºC)
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Size
Approvals
Safety
PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY
OVERVOLTAGE CATEGORY I
OVERVOLTAGE CATEGORY II
OVERVOLTAGE CATEGORY III
OVERVOLTAGE CATEGORY IV
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Test current: 0.3mA max., Open circuit voltage: 1.5V DC typ.
Audible signal will sound if the resistance is less than 35Ω
Requires Type-K thermocouple
10MΩ (VDC & VAC)
50 / 60Hz
4000 count (0 to 3999 digits) LCD
For all functions "OL" is displayed (Note: For ACV measurements only, an
audible beep will also sound)
After 15 minutes (approximately) of inactivity
No indication for positive; Minus (-) sign for negative
2 times per second, nominal
" is displayed if battery voltage is critically low
Two (2) 1.5V 'AAA' batteries
mA, µA ranges: 500mA/600V fast blow;
'A' range: 10A/600V fast blow
o
-4 F to 140
<70% RH
<80% RH
7000 ft. (2000 m) maximum.
9.17 oz (260 g) (includes holster).
5.8" x 2.9" x 1.6 in. (147 x 76 x 42 mm) (includes holster)
CE
This meter is intended for indoor use and protected, against the users, by
double insulation per EN61010-1 and IEC61010-1 3
III 600V; Pollution Degree 2.
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.
Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be supplied from
the fixed installation.
Note – Examples include household, office, and laboratory appliances.
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.
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
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