ACR PowerBullet Power/Enrgy Transducers

  • Measures Phase-to-Phase or Phase-to-Neutral - no phase wiring errors
  • Power Factor and kVAR can be determined using kVA demand version
  • Accurate Consumption can be determined from kWh version
  • Measure as low as 90VAC and as high as 630VA
  • Protects investment by interfacing with legacy ACR Data Loggers
  • Compatible with the analog and digital inputs of other monitoring systems
  • Indicator lamp for live power applied
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ACR PowerBullet Shown
Product Information
Datasheet 273 KB PDF
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The PowerBullet is a power and energy transducer designed for monitoring demand and consumption in residential, commercial and industrial applications. It is a line-powered, phase-to-phase unit with outputs compatible with the Voltage and Pulse inputs of most measurement systems. The transducer outputs directly proportional to kW/kVA for demand and kW/kWh for consumption. It takes into account Power Factor and True RMS Values. The PowerBullet uses a miniature Rogowski flexible split-core current transducer which makes it small enough to fit inside disconnect enclosures, breaker panels or distribution boxes. Wide Mouth Alligator clips make it easy to connect to the line voltage terminals without tools.

Power Demand and Energy Consumption differ in measurement modes in order to give the best accuracy. Peak demand is determined from instantaneous values, while total consumption is the accumulation of Power over time. The two product configurations take this into account, providing a clear choice for approaching Measurement and Verification (M&V) for the best inherent accuracy.

Real Power 300kW 1 / 520kW 3 FS PF1.0 (PB-16x)
150kW 1 / 260kW 3 FS PF1.0 (PB-13x)
Power Factor 0.5-1.0 Lead or Lag
Frequency 50/60 Hz (NOT FOR VF OUTPUT)
Case Material ABS Plastic UL94V-0
Fuse 0.5A Fast-Acting 100kAAC
Resolution 20W, 20VA or 1pulse/Wh
Safety Rating 300V Cat IV or 600V Cat III
Voltage Range 90-300VAC or 250-630VAC
Current Range 2-500A at 600VAC
Probe OD 51mm 2.0in Nominal
Measurement Mode Delta Sigma / True RS
Operating Limits 10 to 55C 14 to 131F
Power Consumption 2.5W 40VA
Software Version TrendReader 2.3 or Later
Channel Accuracy
Measurement ±0.1% (Before & After Ratio)
Transducer ±0.5% (±3% Position)
System 1% 4.5% Position
Demand Output 98mV FS into 400Ω load
4.99V FS into 10MΩ load
Consumption Output 5V 6mS Pulse (14% Demand Ripple)
Basic Software: TrendReader 2 System Requirements (Required for Standard use)
Processor Pentium II-350MHz or Faster
Operating System Windows 2000 SP4, XP SP2
Available Hard drive space At Least 250 MB of Hard disk space
Memory 128 mb of Ram (256 MB Recommended)
Communication Ports USB or Serial Port, dependant on interface cable
Internet Browser Internet Explorer 6 or higher
Screen resolution 1024 x 768 or higher
Additional Equipment Mouse or other pointing device
More info More info on the TrendReader Standard 2>>
Ordering Information
ACR TrendReader 2 Software required for usage
Model Description Buy Online Price
01-0420 ACR 01-0420 PB-139 PowerBullet 300V Energy Transducer Discontinued
01-0421 ACR 01-0421 PB-169 PowerBullet 600V Energy Transducer Discontinued
MFR ID: 01-0226
ACR Systems TRS2-W/IC-102 TrendReader 2 Interface Pkg (IC-102) Software on CD & USB Interface cable for SR & SRP data loggers. (Catalog# 01-0226) Buy Now $189.00
Included Accessories
  • 1 - Users guide
  • 1 - AC Current Probe
  • 1 - Alligator Clip (red)
  • 1 - Alligator Clip (black)
Optional Accessories
31-0073 ACR 31-0073 Alligator Clip, Red PB Discontinued
31-0074 ACR 31-0074 Alligator Clip, Black PB Discontinued