DT-3353 Digital 1000A AC 3-Phase Watt Volt Current True RMS Power Clamp Meter with USB Interface

Sku: MDT3353-001

Retail Price: $499.95
Sales Price: $199.95

  Product Description

This is a brand new DT-3353 industrial clamp meter from Ruby Electronics.  This top-of-the-line clamp meter is loaded with AC power measuring functions.  DT-3353 does not only measure AC current up to 1000Amp, but also measure AC power up to 750KW.  DT-3353 works for both single phase and 3-phase systems.  The measuring functions include true power, apparent power, reactive power, power factor, phase angle, frequency and energy.  Its diversified measuring functions make this meter the best choice for serious electrical technicians.

This meter is CAT III 1000V and CAT IV 600V rated.  This device is compact and portable.  It comes with batteries pre-installed.  A heavy duty carrying pouch is included to protect your device when working in the field.

*** Warning: This device is to be used by the certified technician only.  All safety regulation should be observed when testing high power circuits.

Resellers welcome. Please contact us at for quantity discount.


  • Analysis for single phase and balanced 3 phase system

  • Ture RMS value for both voltage and current (AC)

  • Large 4-digit, dual line LCD display with back light

  • Min, Max, Hold, Auto ranging and Over range detection functions

  • Auto power off

  • 99 sets of data memory

  • USB interface with Windows software

  • NCV detection

  • Clamp jaw opening: about 2.16" (55mm)


Function Range Resolution Basic Accuracy
AC Voltage 100V / 400V / 750V 0.1V +/- (1.2% + 5 dig)
AC Current 40A / 100A / 400A  0.1A  +/- (2% + 5 dig)
1000A 1A
True Power 4KW - 750KW

0 - 100KW: 0.01KW

 >100KW: 0.1KW

+/- (3% + 5 dig)
Apparent Power 4KVA - 750KVA 0 - 100KVA: 0.01KVA

  >100KVA: 0.1KVA

+/- (3% + 5 dig)
Reactive Power 4KVAr - 750KVAr 0 - 100KVAr: 0.01KVAr  

>100KVAr: 0.1KVAr

+/- (3% + 5 dig)
Power Factor 0.3 - 1

Minimum current: 10A

Minimum voltage: 45V

0.001 +/- 0.022
Phase Angle 0 deg - 90 deg

Minimum current: 10A

Minimum voltage: 45V

1 deg +/- 2 deg
Frequency 50Hz - 200Hz 1Hz +/- (0.5% + 5 dig)
Active Energy 1 - 9999KWh 0.001KWh +/- (3% + 2 dig)

Size: 295mm x 100mm x 46mm (11.6" x 3.9" x 1.8")

Weight: 537g (1.2 lbs)


Click image to enlarge.

Policy Summary:

Product Condition New, guaranteed to work  
Packaging Retail pack As shown in the photo
Manufacturer's Warranty 1 year under normal use; replace, repair or refund at seller's sole discretion.  Shipping & handling are not refundable
Seller's Warranty 30 days  
Sales tax 8.75% for California residents  



More store policies

Retail Price: $499.95
Sales Price: $199.95

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