Test and Measure
with Confidence



REED R5090 Power Meter

Model: R5090 | UPC: 800837002433

REED R5090 Power Meter

Model: R5090 | UPC: 800837002433

Accurately measures the power consumption and calculates the operating costs of household appliances.

REED R5090 Offers

The R5090 is an easy-to-use power meter that accurately measures power consumption of household appliances. Simply set the local utility rate in Killowatt-hours (KWH) and connect an appliance to start tracking cost. The R5090 can also be used to verify power quality by monitoring voltage, frequency and power factor.


  • Calculates operating costs of household appliances
  • Displays 8 important units of measure (Voltage, Current, Watts, Frequency, Power Factor, Energy used (kWh), Total Cost and Elapsed Time)
  • Easy-to-read, dual LCD display
  • Built-in battery backup
  • Conforms to UL and CSA standards

REED R5090 Specifications

Measuring Ranges Voltage: 100 to 150VAC 60Hz
Current: 0 to 15A
Power: 0 to 1800W
Power Factor: 0 to 1.00
Frequency: 45 to 65Hz
Accuracy Voltage: ±(1% rdg. + 1dgt.)
Current: ±(1% rdg. + 10dgt.) @ 0.010 to 0.999A; ±(1% rdg.+ 5dgt.) @ 1.00 to 15.00A
Power: ±(1% rdg. + 10dgt.) @ 1.0 to 100.0W; ±(1% rdg. + 5dgt.) @ 100.0 to 999.9W; ±(1% rdg. + 1dgt.) @ 1000 ~ 1800W
Power Factor: ±(2% rdg. + 10dgt.) @ 0.30 to 0.49; ±(2% rdg. + 5dgt.) @ 0.50 to 1
Frequency: ±(1% rdg. + 1dgt.)
Logging Ranges Energy: 0 to 9999kWh
Cost: $0 to $9999
Total Time: 0min to 9999 days
Display Dual LCD
Display Update 1 time/sec.
Overrange Indicator Yes
Power Supply 1 3V Battery (CR2032, back up battery)
Overvoltage Category CAT. II 150V
Product Certifications CE, ETL, Conforms to UL STD.61010-1, 61010-2-030; Certified to CSA STD.C22.2 NO.61010-1, 61010-2-030
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10 to 90%
Dimensions 5.1 x 2.6 x 1.5" (130 x 65 x 37mm)
Weight 1.9 oz (155g)

What's included with the REED R5090

  • Power Meter
  • Battery

R5090 Power Meter

Ideal applications for the REED R5090

  • Calculating energy costs of household appliances
Calibration Lab
When you purchase a REED product it comes included with a one year warranty. We back our products.