TSURUGA MODEL 482A

AC Voltmeter/ Ammeter

• ■ Full scale display: -19999 to +19999 (optional setting).
  Variable offset display function: -19999 to +19999.
• ■ Used as standard equipments for peak/bottom memory, zero setting, average calculation function.
• ■ Possible to select display cycle.
•  
• Model Designation

• 482A	-	□	-	□	-	□	-	□	-	□
  		①		②		③		④		⑤

  ①Measuring Input

  Code	Measuring Range	Input Resistance	Accuracy *	Overload
  01	±19.999 mV	100 MΩ	±(0.05% of rdg + 5 digit)	DC ±250 V
  02	±199.99 mV	100 MΩ	±(0.05% of rdg + 3 digit)	DC ±250 V
  03	±1.9999 V	100 MΩ	±(0.05% of rdg + 3 digit)	DC ±250 V
  04	±19.999 V	10 MΩ	±(0.05% of rdg + 3 digit)	DC ±250 V
  05	±199.99 V	10 MΩ	±(0.05% of rdg + 3 digit)	DC ±500 V
  09	1 to 5 V	1 MΩ	±(0.05% of rdg + 5 digit)	DC ±250 V
  V1	0 to 1 V	1 MΩ	±(0.1% of rdg + 3 digit)	DC ±250 V
  V2	0 to 5 V	1 MΩ	±(0.1% of rdg + 3 digit)	DC ±250 V
  V3	0 to 10 V	1 MΩ	±(0.1% of rdg + 3 digit)	DC ±250 V
  11	±19.999 μA	10 kΩ	±(0.05% of rdg + 3 digit)	DC ±2 mA
  12	±199.99 μA	1 kΩ	±(0.05% of rdg + 3 digit)	DC ±20 mA
  13	±1.9999 mA	100 Ω	±(0.05% of rdg + 3 digit)	DC ±50 mA
  14	±19.999 mA	10 Ω	±(0.05% of rdg + 3 digit)	DC ±150 mA
  15	±199.99 mA	1 Ω	±(0.05% of rdg + 3 digit)	DC ±500 mA
  19	4 to 20 mA	12.5 Ω	±(0.05% of rdg + 5 digit)	DC ±150 mA
  A1	0 to 1 mA	100 Ω	±(0.1% of rdg + 3 digit)	DC ±50 mA

       *Accuracy:

  Defined at 23oC±5oC, 45 to 75%RH.

        Temperature coefficient:

  482A-01, -02, -03, -09,-19…±100 ppm/oC
  482A-04, -05 ……………±160 ppm/oC
  482A-11, -12, -13, -14, -15, A1, -V1, -V2, -V3 …±150 ppm/oC
  Defined at 0 to 50oC

  Internal range setting (setting by pin headers):
  Volt meter: -03, -04, -05
  Receiver: -09, -19

  ②Power Supply

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

  ③Data Output

  Code	BCD Specifications
  Blank	For display only
  BP	TTL level (positive logic）
  BN	TTL level (negative logic）
  DN	transistor (sink type）

  ④Decimal Point

  Code	Description
  Blank	Front setting
  1	External control

  ⑤Display Color

  Code	Description
  Blank	Red LED
  G	Green LED

  General Specifications

  Display	0to 19999 Red or Green LED (character height 14.2 mm) withzero-suppress function.
  Displayselection	Displayof maximum, minimum or amplitude between them is possible.Selectable by front panel switch.
  Scalingfunction	Fullscale display -19999 to +19999, Offset display -19999 to +19999
  Zero-Setfunction	Functionto electrically set an initial input value to zero.
  Offsetfixing function	Functionto fix a display reading of input less than offset value to theoffset value.
  Decimalpoint	Arbitrarysetting (front setting or external control).
  Over-rangedisplay	Flashingwith 130% display. When exceeded 19999, flashing with 00000.
  Holdfunction	Holdsmeasurement data.　（noisolation）
  Resolution	1/20000
  Samplingrate	Approx.7.5 times/s
  Displaycycle	Availableto select from 133ms, 400ms, 1s, 2s, 4s, or 5s
  Inputselection	Selectionfunction of voltmeter for 03 to 05, receiver for 09 or 19 areavailable.
  Inputtype	Singleended, floating input.
  A/Dconversion	△-Σconversion system
  Noiserejection	Normal mode （NMR） More than 50 dB Common mode（CMR） More than 110 dB Power source line mixing noise  1000 V
  Withstandvoltage	Input terminal - external case AC 1500 V １min. Power terminal - external case AC 1500 V １min. Power terminal - Input terminal  AC 1500 V １min.
  Insulationresistance	DC500 V, More than 100 MΩ
  Powersupply	AC100 V（90to 132 V） AC200 V（180to 250 V） DC 24 V（24V ± 10% ）
  Powerconsumption	ACpower source…Approx. 3 VA DC power source…Approx. 70 mA
  Operatingtemperature	0to 50°C
  Storagetemperature	-20to 70°C
  Weight	ACpower source…Approx. 300 g DC power source…Approx. 200 g
  Externaldimensions	96(W)×48(H)×89.5(D)mm