Amprobe AMP-330 AC/DC TRMS Motor Maintenance Clamp Meter

SKU: Amprobe-AMP-330
$260.00
$260.00
Unavailable
per item
  • Overview
  • Features
  • Specifications
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​If you’re looking for a versatile clamp-on amp meter for electrical motor maintenance and HVAC testing in high voltage industrial environments, the AMP-330 Clamp Meter is the best clamp meter for the job. It is the best clamp meter in the AMP-300 Series line including all the features of the AMP-320 plus a work light, peak hold, CAT IV 600 V, CAT III 1000 V safety rating and large 2.0-inch (51 mm) jaw. HVAC technicians will find the temperature and capacitance measurements they need plus DC Microamps for testing flame sensors. It also had core motor testing capabilities such as motor rotation, 3-phase sequence testing, and inrush current measurement for motor start-up monitoring. The low pass filter allows you to accurately measure current and voltage on variable frequency drives. The Amp-Tip function allows for precise measurement of current down to the tenth of an Amp, enabling accurate current measurement of both large and small diameter wires. It also offers a full range of standard multimeter features, including AC/DC current, AC/DC voltage, frequency, True-RMS, non-contact voltage detection, resistance, and continuity.
  • Measures AC/DC Current to 1000 A and AC/DC Voltage to 1000 V
  • Measures temperature from -40° to 752°F, (-40° to 400°C)
  • Measures DC Microamps output to test proper operation of the flame sensor on gas appliances
  • Measures capacitance, test diodes, and features a continuity beeper
  • Tests 3-phase sequence and motor rotation to ensure proper connection of a motor to a 3-phase system
  • Monitors inrush current during motor start-up
  • Features True-RMS sensing for accurate voltage measurements in noisy electrical environments
  • Amp-Tip function delivers precise low AC current measurements – 0 to 60 A
  • Includes a low pass filter to accurately measure voltage and current on variable frequency drives
  • Provides resistance and continuity measurement capabilities to verify the quality of electrical connections and the proper operation of motor and transformer coils
  • Provides data hold, relative zero, and MAX/MIN/AVG mode for quick analysis
  • Maximizes battery life with auto power off and low battery indicator
  • Backlit display for easy measurement viewing in bright and dim environments
  • CAT IV 600 V, CAT III 1000 V safety rated
  • Boasts peak hold and work light
  • Accommodates conductors up to 2.0-inches (51 mm)

Detailed Specs
Safety Rating
CAT IV 600 V, CAT III 1000 V
Jaw Opening
2.0 in (51 mm)
AC Voltage 
(True-RMS)
​Range:
0 to 1000 V

Accuracy:
±0.8% + 5LSD (50 to 60 Hz)
±1.5% + 5LSD (20 to 200 Hz)
±10% + 5LSD (200 to 400 Hz)
DC Voltage
Range:
0 to 1000 V

Accuracy:
±0.8% + 5LSD
AC+DC Voltage
Range:
0 to 1000 V

Accuracy:
±1.0% + 7LSD (50 to 60 Hz)
±1.8% + 7LSD (DC, 40 to 200 Hz)
±12% + 7LSD (200 to 400 Hz)
AC Current 
(True-RMS)
Range:
0 to 1000 A

Accuracy:
±1.8% + 5LSD (40 to 100 Hz)
±2.2% + 5LSD (100 to 400 Hz)
DC Current
Range:
0 to 1000 A

Accuracy:
±1.8% + 5LSD
AC+DC Current
Range:
0 to 1000 A

Accuracy:
±2.2% + 7LSD (DC, 40 to 100 Hz)
±2.5% + 7LSD (100 to 400 Hz)
Precise Low 
Current AC
Range:
0 to 60.00 A

Accuracy:
±1.5% + 5LSD (0.00 to 20.00 A, 40 to 100 Hz)
±2.0% + 5LSD (0.00 to 20.00 A, 100 to 400 Hz)
±3.0% + 5LSD (20.00 to 60.00 A, 40 to 100 Hz)
±3.0% + 5LSD (20.00 to 60.00 A, 100 to 400 Hz)
​Precise Low 
Current DC
Range:
0 to 60.00 A

Accuracy:
±1.5% + 5LSD (0.00 to 20.00 A)
±3.0% + 5LSD (20.00 to 60.00 A)
Precise Low 
Current AC+DC
Range:
0 to 60.00 A

Accuracy:
±2.0% + 7LSD (0.00 to 20.00 A, DC, 40 to 100 Hz)
±2.2% + 7LSD (0.00 to 20.00 A, 100 to 400 Hz)
±3.0% + 7LSD (20.00 to 60.00 A, DC, 40 to 100 Hz)
±3.0% + 7LSD (20.00 to 60.00 A, 100 to 400 Hz)
Frequency
Range:
5.00 to 999.9 Hz
Accuracy:
±1.0% + 5LSD (1000 V range)

Range:
40.0 to 400.0 Hz
Accuracy:
±1.0% + 5LSD (1000 A range)
Resistance
Range:
0.0 to 60.00 kΩ

Accuracy:
±1.0% + 5LSD
Capacitance
Range:
0.0 to 2500 µF

Accuracy:
±2.0% + 4LSD
Continuity 
Beeper
ON ≤ 10 Ω
OFF > 250 Ω
​Non-Contact 
Voltage
20 to 440 V, 50/60 Hz

General
Display
3-5/6 digits 6000 counts
Polarity
Automatic
Update Rate
5 per second nominal
Operating Temperature
14 to 122°F (-10 to 50°C)
Relative Humidity
Non condensing at ≤10°C
90% at 10 to30°C
75% at 30 to 40°C
45% at 40 to 50°C
Operating Altitude
0m to 2000m
Pollution Degree
2
Storage Temperature
-4 to 140°F (-20°C to 60°C),
< 80% RH
Temperature Coefficient
Nominal 0.10 x (specified accuracy)/ °C @ (0°C 
to 18°C or 28°C to 50°C)
Battery
Two AA 1.5 V battery
EMC
Meets EN 61326-1:2006
Safety Compliance
UL/IEC/EN 61010-1 ed. 3.0, IEC/EN 61010-2-033 
ed. 1.0, CAN/CSA C22.2 NO. 61010-1 ed. 3.0, 
IEC/EN 61010-2-032 ed. 3.0 & IEC/EN 61010-
031 ed. 1.1
Certification
UL (c/us) and CE
​Dimensions 
(L x W x H):
10.16 x 3.70 x 1.73 in
(258 x 94 x 44 mm)
Weight
​420 g (0.93 lb)

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