TSURUGA MODEL 481E

AC Voltmeter/ Ammeter

• ■ Clear large LED display with high brightness.
• ■ Exclusive AC display.
• ■ Average RMS value rectification type.
• ■ Adoption of power supply and input by terminal method.
•  
• Model Designation

• 481E	-	□	-	□	-	□	-	□
  		①		②		③		④

  ①Measuring Input

  Code	Measuring Range	Input Resistance	Accuracy *	Overload
  22	AC 199.9 mV	10 MΩ	±(0.3% of rdg + 1 digit)	AC 10 V
  23	AC 1.999 V		±(0.3% of rdg + 1 digit)	AC 100 V
  24	AC 19.99 V		±(0.3% of rdg + 1 digit)	AC 700 V
  25	AC 199.9 V		±(0.3% of rdg + 1 digit)	AC 700 V
  26	AC 600 V		±(0.3% of rdg + 1 digit)	AC 700 V
  33	AC 1.999 mA	100 Ω	±(0.5% of rdg + 1 digit)	AC 50 mA
  34	AC 19.99 mA	10 Ω	±(0.5% of rdg + 1 digit)	AC 150 mA
  35	AC 199.9 mA	1 Ω	±(0.5% of rdg + 1 digit)	AC 500 mA
  36	AC 1.999 A	0.1 Ω	±(0.5% of rdg + 1 digit)	AC 2.5 A

       *Accuracy:

  Defined at 23 ± 5°C, 45 to 75% RH.

        Temperature coefficient:

  Defined at ±300 ppm/°C (Temp. range: 0 to 50°C)

  ②Power Supply

  Code	Power Source Voltage
  3	AC 100 V
  5	AC 200 V
  9	DC 24 V

  ③Decimal Point

  Code	Description
  Blank	Front setting
  1	External control

  ④Display Color

  Code	Description
  Blank	Red LED
  G	Green LED

  General Specifications

  Display	0 to 1999 Red or Green LED (character height 14.2 mm) with zero-suppress function.
  Scaling function	null
  Decimal point	Optional (front setting or external control)
  Over-range display	1□□□Display　（□: Blank） （no over-range indication in case of 482F-26）
  Resolution	1/2000
  Sampling rate	Approx. 2.5 times/s
  Input type	Single ended, floating input.
  A/D conversion	Dual Slope Integration System
  Rectification system	Average RMS value rectification type
  Noise rejection	Power source line mixing noise　1000 V
  Withstand voltage	Between input terminal and external case: AC 1500 V for 1min. Between power terminal and external case: AC 1500 V for 1min. Between power terminal and input terminal: AC 1500 V for 1min.
  Insulation resistance	DC 500 V, More than 100 MΩ
  Power supply	AC 100 V（90 to 132 V） AC 200 V（180 to 250 V） DC 24 V（24 V ± 10%）
  Power consumption	AC 100V…Approx. 1.5 VA AC 200V…Approx. 2 VA DC 24V…Approx. 50 mA
  Operating temperature	0 to 50°C
  Storage temperature	-20 to 70°C
  Weight	AC power source…Approx. 300 g DC power source…Approx. 200 g
  External dimensions	96(W)×48(H)×89.5(D) mm