ERTL(North) Delhi

Measurement Capability

Parameter / TestRange / Accuracy / Specifications
DC VOLTAGE

100 nV to 1000 V: ±1.2 ppm to 100ppm

1 kV to 40 kV: ±0.05 % – 1 %

AC VOLTAGE

1mV to 22V at 10 Hz to 1 MHz: ±20ppm to 0.1%

22V to 1000V at 10 Hz to100kHz: ±70ppm to 0.1%

1kV to 28kV at 50Hz: ±0.5 to 1.5 %

DC CURRENT

5pA to 100nA: : ±0.03% to 2%

100 nA to 20 A: ±10ppm to 0.03%

 20 A to 1000 A: ±0.03% to 1%

AC CURRENT

1 µA  to 20 A at 10Hz to 10kHz: ±0.01% to 0.13%

20A to 300A at 10Hz to 1kHz: ±0.1%

1A to 1000A at 45Hz to 400Hz: ±0.1% to 1%

LF POWER/ ENERGY10V to 600V / 5mA to 200A;  Unity PF to 0.1Lead/Lag PF, at 25Hz to100Hz (1 Phase/ 3 Phase): ±100 to120 ppm
POWER FACTOR25 Hz to 1 kHz, 0 to 1 (Lag & Lead): ±0.0004PF
DC POWER100 mW to 20 kW (1V to 1000V/1mA to 20A): ±0.02 % - 0.058 %
INDUCTANCE

100 μH to 100 H at 1 kHz: ±0.02 % to 0.052 %

100 μH to 25mH at 1kHz to 100 kHz:  ±0.1% to 0.35%

CAPACITANCE

1 pF to100 µF at 1kHz: ±21 ppm to 0.3%

 1 pF to1000pF at 10kHz to 1MHz: ±0.1 % - 0.06 %

RESISTANCE DC0.1 mΩ to 100 TΩ: ±0.5 ppm to 0.12%
RESISTANCE AC1Ω to100kΩ at 1 kHz: ±10 to 110ppm
SOUND LEVEL94dB at1kHz: ± 0.3 dB
FREQUENCY0.1 Hz to 40 GHz: ±5*10-11 to 3.5*10-7
TIME INTERVAL1s to 3600 s: ±3*10-7
RF POWER

10µW to 20mW at 100kHz to 10MHz: ± 5.5% to 8%

100nW to 20mW at 10MHz to 18GHz: ± 5.5% to 8%

20mW to 10W at 10MHz to 1GHz:  ± 8%

ATTENUATION

1 to 60 dB at 100kHz to 2.7GHz: ± 0.35dB

1dB to 60 dB at 10MHz to 18GHz: ± 0.35dB to 0.45dB

MODULATION:

Amplitude Modulation Depth

 

10% to 90% , at CW 10MHz to 2.5GHz/MF 30Hz to 1kHz : ±4.1 %

Frequency Modulation Deviation10 kHz to 100 kHz, at CW 10MHz to 2.5GHz/MF 1kHz: ±6.1 %
Reflection Coefficient/SWRǀ
{\displaystyle \Gamma }Γǀ  : 0 to 0.5 at 10MHz to 18GHz: : Δ ǀ
{\displaystyle \Gamma }Γǀ : ±0.015 to 0.04

Oscilloscope Calibration:

TIME BASE (Marker)

 

1ns to 55 s: ±10 ppm to 0.1%

DEFLECTION FACTOR (Amplitude)5mV to 210 V (1MΩ) & 1mV to 5.56V(5Ω0) at10 Hz to 10 kHz: ±0.05% to 0.4%
BANDWIDTHUp to 1.1 GHz: ±2.5% to 4%

List of Major Facility

Facility / Equipment / ToolsMake and Model
DC Volt Ref. System (Nanoscan)7004N, Wavetek
DC Standard732B, Fluke
Kelvin Varley Voltage Divider720A, Fluke
Reference Divider752A, Fluke
Voltage Divider (10kV)80E, Fluke
AC/DC Thermal Transfer Standard792A, Fluke
Standard Resistor, 25Ω & 100Ω7334, Guildline
Standard Resistor, 1 Ω & 10kΩ742A-1 & 10k, Fluke
AC/DC Standard Resistor, 1 Ω to 10k Ω5685 A/B Series, Tinsley
Standard Resistor (100k Ω) (AC)1440, GR
Standard Resistance 10MΩ to 100TΩ9336/9337 Series, Guildline
Automatic DCC Resistance Bridge6675A, Guildline
Teraohm Meter6520, Guildline
Calibrator with Amplifier5720A (5725A), Fluke
Multifunction Calibrator4808, Datron
Multifunction Calibrator5520A, Fluke
Multi-Product Calibrator with 1.1GHz Oscilloscope Cal Option5522A, Fluke
Oscilloscope Calibrator (with Active Head)9500 (9510), Fluke
Multifunction Transfer Standard4950, Wavetek
Reference Multimeter8508A, Fluke
Digital Multimeter3458A/HFL, HP
Digital Multimeter4050, Tektronix
Nanovolt/Micro Ohm Meter34420A, Agilent
Signal GeneratorN5181B, Keysight
Microwave Synthesizer2440M, Gigatronics
USB CW Power Sensors, 12GHz, 18GHz & 26GHz52000 Series, Boonton
EPM Series Power Meter  with E-Series AVG Power SensorN1914A (E9300A), Keysight
Power Meter with Power Sensor/30dB Attenuator438A, HP
RF Step AttenuatorDPSP, R&S
Rubidium Frequency StandardXSRM/R&S
Standard Frequency Oscillator1115-C, GR
Universal Frequency Counter/Timer53230A, Keysight
46GHz Microwave Frequency Counter53152A, Agilent
Vector Network AnalyzerZVB20, R&S
Cal Kit & Verification KitZV-Z235, ZV-Z270, ZV-Z470, &&S
Sound Level Calibrator4230, B&K
Standard Inductor, 100µH to 10H1482 Series, GR
Std Air Capacitor, 1pF to 1000pF16381A, HP
Std Capacitor, 0.1 µF to 0.001µF1409 Series, GR
Ref Std Capacitor,  10pF to 1000pF1404 Series, GR
Precision Capacitance Measurement System1621, IET (GR)
Precision RLC Digibridge1689, IET Labs & QuadTech
Video Bridge2110, ESI
Power And Energy StdMSB100, Rotek
Power/Energy Calibrator System8100, Rotek
3 Ph Ref Power MeterHC3100, Hsiang Cheng
Dig PF Meter252410, YEW

Major Products Tested / Project Done

Major Products Tested / Projects Done
DC Voltage Reference Standards
Multifunction Calibrators
Oscilloscope Calibrators
Thermocouple/ RTD Meters/ Calibrators
Digital Multimeters, 3½ to 8½ Digit
Analog/ Digital Panel Meters-Voltmeters, Ammeters, Frequency Meters
DC Power Meters
High Voltage Testers/ Probes/ Meters
Analog/ Digital Oscilloscope
Power/Energy Calibrators
Power/Energy Reference Standards/ Meters
Power Analyzers
Signal Generators
RF Power Meters/ Sensors/ Thruline Wattmeters
RF Attenuators
Selective Level Meters/ Generators
Communication Analyzers
Modulation Analyzers
Spectrum Analyzers
Network Analyzers
Avionics (DME/NAV/Ramp/ILS etc ) Equipments
Frequency Standards
Frequency Counters/ Timers
Tachometer (Non-contact type)
EMI/EMC Equipments
Sound Level Meters/ Calibrators
AC/DC Current Shunts
Resistance Standards
Decade Resistance Boxes
Capacitance Standards,
Decade Capacitance Boxes
Inductance Standards,
Decade Inductance Boxes
LCR Meters & Bridges
Micro Ohm Meters/ Earth Tester/ Meggers
Tera Ohm Meters/ High Resistance Meter