WattNode® Pulse – Specifications

These specifications apply to the following two families of WattNode meters with a pulse output:

Pulse Output

  • Opto-isolated, 5000 volt rated solid state relay (dry contact rated 60 Vdc at 5 mA)
  • Full-scale bidirectional pulse outputs standard 4.0 pulses per second resolution
  • Optional pulse frequencies, pulse widths, watt-hours per pulse and other output configurations available (see options)

Accuracy

WattNode Pulse

  • 0.5% nominal (see manual for details)

WattNode Revenue Pulse

  • 0.5% nominal (see manual for details)
  • Meets accuracy requirements of the ANSI C12.1 standard when used with CCS CTs rated for IEEE C57.13 class 0.6 accuracy (see Revenue Grade CTs).

Electrical

  • Line powered
  • Operating Voltage Range: –20%, +15% of nominal
  • Power Line Frequency: 50 or 60 Hz
  • CT Input: 0.333 Vac nominal, 3 Vac maximum

Regulatory

  • FCC Class B, EN 55022 Class B
  • UL and cUL Listed (UL 61010-1), file number E312220
  • CE Mark and RoHS Declaration of Conformity
  • Immunity: EN 61326: 2002 (Industrial Locations)

Environmental

  • Operating Temperature: –30°C to +55°C (–22°F to 131°F)
  • Humidity: 5 to 90% relative humidity (RH) up to 40°C, decreasing linearly to 50% RH at 55°C.

Mechanical

WattNode-Case-Dimensions.png

Case Dimensions

(Click on the image for a larger view.)

  • Enclosure:
    • High impact, ABS plastic
    • Flame Resistance Rating: 94V-0, IEC FV-0
    • Size: 6.1 × 3.35 × 1.5 in. (155 × 85 × 38.1 mm)
    • Weight: 10.4 oz (295 g)
  • Connectors: Euroblock style pluggable screw terminal blocks
    • Green: 22 to 12 AWG (1.0 to 3.2 mm), 600 V
    • Black: 22 to 12 AWG (1.0 to 3.2 mm), 300 V