• Customer Load Metering Site Testing
• Phantom Load Metering Site Testing (with Model 335 accessory)
• True 3 Phase Reference Standard
• 0.05% Accuracy Class
• Vector Diagrams
• Waveforms
• Harmonics Analysis to the 50th
• Customer Load Meter Testing
• Demand/Register Testing
• CT and PT Ratio Testing
• CT Burden Added Testing (with Model 335 accessory)
• CT and PT Burden Measurement
• CAT IV 600V Rated
• Compact Handheld Design – Only 3.5 lbs (1.6 kg) 

DIRECT INPUTS
AC Current:
• 3 Inputs, 100mA to 20A RMS
• 4mm Locking Banana Plugs

AC Voltage:
• 3 Inputs, 46 to 600V RMS
• 4mm Banana Plugs

Aux. Power:
• 1 Input, 120 to 240 VAC

PROBE INPUTS
• Two Sets of Three Inputs (Six inputs total)
• Resolution and Range Determined by Probe
• All Probes are Calibrated Independently of 3 Series

MEASUREMENTS
Energy:
• Wh, VARh, VAh
• +/- 0.05% Accuracy (direct current channels)
• +/- 0.10% Accuracy (probe channels)

Power:
• Watt, VAR, VA
• +/- 0.05% Accuracy (direct current channels)
• +/- 0.10% Accuracy (probe channels)

Power Factor: -1.00 to 1.00
• Harmonics: Up to 50th harmonic (user selectable)

GENERAL
• Auxiliary Power Voltage Input: 1 Input, 100 to 240 VAC
• Internal Battery: 11.1V Li-Ion Rechargeable, 2600 mAh
• Auxiliary Power Frequency: 50-60Hz
• Power Consumption: 20W
• Dimensions: W 295mm x H 157mm x L 51mm
• Weight: 1.6 kg Not Including Cables
• Display Resolution: 640 x 480, full color
• Display Size: 5.7 inches
• Operating Temperature: -20°C to 50°C (-4°F to 122°F)
• Storage Temperature: -30°C to 60°C (-22°F to 140°F)
• Humidity: 0 to 95% non-condensing

SAFETY
• Safety Certification: IEC 61010-1:2010
• Measurement Category: 600V CAT IV
• Degree of Protection: IP-40

OTHER
• Display Resolution: 640 x 480, full color transmissive VGA, LED backlit
• Display Size: 5.7 inches
• Operating Temperature: -20°C to 50°C (-4°F to 122°F)
• Storage Temperature: -30°C to 60°C (-22°F to 140°F)
• Humidity: 0 to 95% non-condensing
• Internal Battery: 10.8V Li-Ion Rechargeable, 3.07 AHr
• Dimensions: 11.6” x 6.2” x 2.0” (295mm x 157mm x 51mm)
• Weight: 3.5 lbs (1.6 kg) Not Including Cables

• Pulse Inputs: 2 (meter pulse input, standard input)
• Pulse Outputs: 1 (standard output)
• USB to PC Port: 1 (connectivity to PC)
• USB Ports: 2 (peripheral devices)
• RS232 Port: 1 (legacy devices)

Inputs Voltage: Range / Accuracy
• 46 - 600V / 0.05%
• 5 - 46V / 0.3%
• 20mV - 5V / 0.5%

Current Direct: Range / Accuracy
• 100mA - 20A / 0.05%
• 1mA - 100mA / 0.1%

Probe Channel: Range / Accuracy
• 50mV - 3.2V / 0.1% (+/- Probe Error)

CT Burden:
Current Direct / Voltage / Accuracy
• 0.1A - 20A / 0.1V - 5V / 0.05%
• 0.1A / 0.02V - 0.1V / 0.5% relative to full scale range

PT Burden:
Voltage / Current / Accuracy
• 46V - 600V  / 0.001A - 0.1A / 0.2% of full scale range

Pulse Input/Output
Output: 5V
Output Pulse Length: 300ns active low
Max Output Frequency 1’000’000 imp/s
Input 4V – 12V
Max Input Frequency 2MHz

Reactive (Q), Active (P), Apparent(S)

Direct (A,B,C): Range / Accuracy
• 100mA - 20A / 0.05%
• 1mA - 100mA / 0.1% (Relative to full scale range)

Direct (A,B,C): Range / Accuracy
• 100mA - 20A / 0.05%
• 1mA -100mA / 0.1% (relative to full scale range)

Temperature Coefficient: Range / Accuracy
• -20 – +50 deg C / < 0.005%

Frequency: Range / Accuracy
• 45 - 65Hz  / 0.01Hz

Phase Angle: Range / Accuracy
• 0.00 – 359.99 deg / 0.01 deg
 
Power Factor: Range / Accuracy
• -1.000 to +1.000 / 0.001