Circutor MPC-20 - Features as a Step and Touch Voltage Tester. MPC-50 TESTER

--- MPC 20 & 50 TESTER - M-981136 (vers. BD) --- Page
12
4.3.2.- TESTING STEP AND CONTACT VOLTAGE: MPC-50 TESTER
CURRENT 0 ÷ 50 A REGULABLE
OVERVOLTAGE 1, 1 In, 1 Min
VOLTAGE 0 ÷ 400 V,
8 SCALES AND FINE ADJUSTMENT
MAX. RESISTANCE 8 OHMS (GROUND TESTED + AUXILIARY
GROUND)
RESISTANCE OF
HIGHER VALUES
ALLOWS TESTING AT LOWER CURRENTS
METHOD USED  INJECTION AND TESTING OF CURRENT
(Ip)
 TESTING VOLTAGE IN SURFACE AREA
(Vm)
 DEFAULT SETTING Imax
 CALCULATES: Vp/c=Vm x Max/Ip
ANALOGUE AMMETER  CLASS : 1.5
 RANGE : 50 A
 OVERRANGE : 300 A
DIGITAL AMMETER CONTROLLED BY MICROPROCESSOR
 ACCURACY: 0.5 % MEASUREMENTS ± 2
digits
 MAX. : 99.9 A
 RESOLUTION : 10 mA
 MINIMUM READING : 20 mA
DIGITAL VOLTMETER CONTROLLED BY MICROPROCESSOR
 SCALES : 30 V and 500 V
 SCALE CHANGE : AUTOMATIC
 ACCURACY: 0.5 % MEASUREMENTS ± 2
digits
 MINIMUM READING : 20 mV

IMPEDANCE CUR. : 1000 ohms or 600
kohms (switch)

RESOLUTION : 10 mV
MAX PROGRAMMABLE
CURRENT VALUE
9999 A
SELECTION WORK
MODE (Vp/c or Rt)
BY BUTTON (MODE) + Rt/Vp-c Selector
DEFAULT CURRENT
PRESELECTION
BY BUTTONS
TESTING ERRATIC
VOLTAGES
VOLTMETER CONTROL BY BUTTON
CONTROL OF STOP AND
START
BY SELECTOR WITH KEY
ON 0°-- OFF --- ON 180º
4.4.- TESTING GROUND RESISTANCES
(USING CURRENTS UP TO 20 A or 50 A)