General Specifications - Extech Instruments EX310 User Manual

General Specifications

Diode Test
Continuity Check
Input Impedance
AC Bandwidth
Display
Over-range indication
Polarity
Measurement Rate
Low Battery Indication
Battery
Fuses
Operating Temperature
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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Bias voltage: 2.3VDC
Audible signal will sound if the resistance is less than 100
1MΩ (VDC & VAC)
50 / 60Hz
2000 count (0 to 1999) LCD
"1___" is displayed
Automatic (no indication for positive); Minus (-) sign for negative
2 times per second, nominal
" " is displayed if battery voltage drops below operating voltage
One (1) 9V battery
mA range; 200mA/600V fast blow
A range; 10A/600V fast blow, ceramic
0ºC to 50ºC (32ºF to 122ºF)
-20 o C to 60
Max 70% up to 31ºC (87ºF) decreasing linearly to 50% at 50ºC (122ºF)
< 80% RH
2000 meters (7000 ft) maximum.
260g (9.17 oz) includes holster
147 x 76 x 42mm (5.8" x 2.9" x 1.6") 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
CAT 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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