ACR PowerWatch Data Loggers

ACR Voltage Disturbance Recorder For Checking Power Quality

The PowerWatch Data Logger is the easiest way to monitor and record essential voltage disturbance information from any 120 volt North American or 220/240 volt Australian, European or UK power receptacle. Just setup your pre-determined disturbance threshold values or use the industry standard default values and plug it in. No wiring or dangerous connections required.

Required with Powerwatch Data Logger
>> EventReader Software w/ USB or RS-232 Serial Interface Cable

NOTE: Large Quantity Discounts Are Available!

Powerwatch Logger Specifications

Memory Size 32KB, 4000 events
Storage Method First-in, First-out or Fill-then-stop
Sampling Method Continuous (half cycle integrated).
Alarm Type Optical; Red LED
Certifications CSA; NRTL/C; UL3111-1
Size 85 mm x 68 mm x 35 mm. (3.35” x 2.65” x 1.35”)
Weight 120 grams (4 ounces)
Case Material Noryl Plastic
Operating Limits -40 to 70°C (-40 to 158°F); 0 to 95% RH
Battery 3.6 Volt Lithium
Battery Life 10-year warranty (under normal use), factory replaceable
Fuse 1/16A fast-blow; (non-replaceable)
PC Requirements IBM PC or 100% compatible running MS Windows 3.1,
’95, ’98, 2000, ME or XP with at least 2 MB RAM,
2 MB of hard drive disk space and one free serial port
Event Types Detected Surges, sags, impulses, dropouts, outages, frequency
Measurement Locations Hot to Neutral, Neutral to Ground
Plug Configurations North America (120 Volt)
Australia (240 Volt)
United Kingdom (240 Volt)
Continental Europe (240 Volt)
Surge, Sag and Outage  ( 120V version )
  Hot to Neutral Neutral to Ground
Range 0 to 200 V rms 3 to 200 V rms
Accuracy ± 1 V rms + resolution ± 1 V rms + resolution
Resolution 1 V rms 1 V rms
Surge, Sag and Outage ( 220/240V versions )
  Hot to Neutral Neutral to Ground
Range 0 to 400 V rms 0 to 50 V rms
Accuracy ± 2 V rms + resolution ± .25 V rms + resolution
Resolution 2 V rms .25 V rms
  Hot to Neutral Neutral to Ground
Range 100 to 2500 V peak 50 to 2500 V peak
Accuracy ± 10% of reading +resolution ± 10% of reading +resolution
Resolution 10 Volt 10 Volt
Width Detection
  Hot to Neutral Neutral to Ground
Phase Angle 1µsec minimum 1µsec minimum
Accuracy ± 1° (20 to 180°, 200 to 360°) ± 1° (20 to 180°, 200 to 360°)
Time Events (<1 sec)
  Hot to Neutral Neutral to Ground
Accuracy ± 0.5 cycle ± 1 cycle
Resolution 0.5 cycle 1 cycle
Time -stamp
Accuracy ± 2 sec./day + resolution
Resolution 8 seconds
Range 45 to 65 Hz
Accuracy ± 0.1 Hz (3 cycles minimum)
Resolution 0.1 Hz


Description Part Number
Power Watch Data Logger - North American Version PWV-001
Power Watch Data Logger - Australia Version PWV-002-A
Power Watch Data Logger - United Kingdom Version PWV-002-U
Power Watch Data Logger - Continental Europe Version PWV-002-E
Software Kit - 1 Required
ACR EventReader Software, Manual and LIC-101 Serial Interface Cable PWV-LIC101
ACR EventReader Software, Manual and LIC-102 USB Interface Cable PWV-LIC102
Optional Accessories
USB Serial Adapter CABLE-USB232
ACR USB Optical Interface Cable LIC-102
ACR RS-232 Serial Interface Cable (Limited Quantity - 2 Available) LIC-101--U--
ACR RS-232 Serial Interface Cable LIC-101