5.5.3 (5 ½) Digit Multi Function Calibrators

Multi Function Calibrator / Voltage & Current Standards

We are Manufacturer, Supplier, Exporter of 5.5.3 (5 ½) Digit Multi Function Calibrators, Multi Function Calibrators / Voltage & Current Standards and we are also specialized in Calibration Services. Our setup is situated in Pune, Maharashtra, India.



  • Pure Sine wave with variable frequency.
  • Overload and short circuit protection.
  • Setting by Decade switches for V/A in 5½ digit.
  • Frequency setting by potentiometer.
  • Separate output ports for V(Hi), mA(Hi), 20A(Hi) & Com.
  • Parameter&range selection by inbuilt micro-controller based.
  • unit and relays. Bar of LEDs to indicate parameter & range. Separate output ports for Resistance, Inductance & Capacitance.
  • Calibration of Non-Contact type Tachometer upto 60,000RPM.

Technical Specification

Model ZMMFC 5.5.3
Input Power Supply 230V AC ± 5% @ 50Hz.
Input Protection Calibrator is Protected by I/P OV (Over Voltage) & I/P UV (Under Voltage)
DC Voltage Ranges 200mV, 2V, 20V, 200V, 1000V
AC Voltage (45Hz to 1000Hz) Ranges 200mV, 2V, 20V, 200V, 1000V
DC Current Ranges 2mA, 20mA, 200mA, 2000mA, 20A
AC Current (45Hz to 1000Hz) Ranges 2mA, 20mA, 200mA, 2000mA, 20A
Frequency Range 45Hz to 1000Hz
Fixed Resistance 1Ω, 10Ω, 100Ω, 1kΩ, 10kΩ, 100kΩ, 1MΩ, 10Ω, 100MΩ
Fixed Inductance 10µH, 100µH, 1mH, 10mH, 100mH
Fixed Capacitance 1nF, 10nF, 100nF, 1µF, 10µF
RPM Range (Non-Contact Type) 2700 to 60000 RPM
Accuracy @ 20oC to 28oC, RH <75% AC Voltage: ± 0.15 % of reading ± 15 digit DC Voltage: ± 0.1 % of reading ± 5 digit
AC Current: ± 0.15 % of reading ± 15 digit DC Current: ± 0.1 % of reading ± 5 digit
Frequency: ± 0.1 Hz Resistance: ± 0.2 %
Inductance: ± 2% Capacitance: ± 2 %
RPM (Non Contact Type): ± 0.1 % of Reading ± 5 Digit
Operating Temperature 15oC to 50oC
Power OFF Storage Temperature 10oC to 70oC
Required Earth to Neutral Less than 1 V AC
Drift due to ageing 50 PPM per year.
Short term stability of the set value 350 PPM
Display 5½ Digit 7 segment red LED display for Voltage & Current
4 Digit 7 segment red LED display for Frequency
Selection of AC/DC Parameters By up and down keys and bar of LED to indicate selected parameter
Selection of Ranges By up and down keys and bar of LED to indicate selected range
Setting of Voltage & Current By decade switch
Setting of Frequency By multi turn potentiometer
Frequency Range Selection By Toggle Switch for Normal Mode: 45 to 1 kHz & Filter Mode: 50 to 60 Hz provided at front side.
Resistor mode & Inductance / Capacitance mode Selection By Toggle switch
R/L/C Range Selection By Rotary switch
Dimension & Weight 600mm(W) X 600mm(D) X 170mm(H) 33kg. (Approx.)


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