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Calibration Services Calibration Services

Calibration Services
1. Length Measuring instruments
  • Gauge Bolocks, Grade 0, Grade 1

           and Grade 2, 0.5 mm to 100 mm

  • Dial Gauge

  • Micrometer

  • Steel Graduated rule

  • Penetrometer

  • Displacement transducer

  • Vernier Caliper

  • Steel tapes

  • dipstick

2. Standard Masses
  • Standard weight sets, OIML

         class F1 , F2 , M1 , M2 , 1 mg to 10 kg

  • Single weight

  • Weights of free nominal value

3.Weighing Instruments
  • Single range weighing instrument

  • Multi-Interval Weighing instruments

  • Multi-range weighing instruments

4.Temperature Measuring Instruments
  • Moisture tester

  • Liquid In Glass Thermometer

  • Digital and Dial Thermometer

  • Platinum Resistance Thermometer

  • Thermocouple

  • Temperature Media (Oven, bath, furnace,                                                                fridge, autoclave etc)

  • Pyrometer

5. Pressure Measuring Instruments
  • Haydraulic Dead weight pressure tester,

         0 to 1200 bar, Cross-floating method

  • neumatic Dead weight pressure tester,

          0 to 70 bar, cross-floating method

  • haydrualic presuure gauge indicators

          against a dead weight tester, 0 to 1200 bar

  • Pneumatic pressure gauge indicators

          against a dead weight testers, 0 to 70 bar

  • Haydrualic pressure gauge indicator against a                                                                reference pressure gauge, 0 to 1200 bar ,                                                               direct comparison

  • Pneumatic Pressure gauge indicators against                                                                reference pressure gauge, 0 to 70 bar, D.C

  • Barometer, 40 hPa to 1100 hPa

6.Force Measuring Instruments
  • Marshall Testing Machines, 0 to 500 kN

  • CBR Testing Machines, 0 to 500 kN

  • universal Strength Testing Machines, 0 to 1000 kN

  • Tensile Strength Testing Machines, 0 to 1000 kN

  • Compressive Strength Testing Machines, 0 to 3000

  • Load cell / Force transducer, 0 to 5000 kN

7. Volume Measuring instruments
  • Micro and Piston Pipettes

  • Small volumetric glasswares (burettes, pipettes,

         flask, graduated cylinders

  • Metal Provers

  • Under/Above Ground Tankers

8. Density Measuring Instruments
  • Hydrometers
  • Glocometer
  • specifc Gravity tester
  • Saccharimeter
  • Alcoholmeter
  • Baume meter
9. Electrical Measuring instruments
  • AC Voltage Calibrator/Generator

  • AC Voltmeter

  • DC Voltage Calibrator/Generator

  • DC Voltmeter

  • AC Current Sources

  • AC Ammeters

  • DC Current Sources

  • DC Ammeters

  • Four Terminal AC/DC reference Resistor

  • Ordinary resistor

  • Ohmmeter

  • Resistance bridge

  • Multi meter

  • Power supply @380V

  • Frequency generator

  • insulation tester

  • clamp meter

  • frquency counter

  • Energy meter

10.Ionization Radiation
  • Radiation survey meters

  • TLDs

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Maintenance of Ethiopian National measurement Standards Maintenance of Ethiopian National measurement Standards

Maintenance of Ethiopian National measurement Standards
1. National Electric measurement Standard

  • DC  voltage standard  10V, 1.018V with best measurment capablity of 70 Micro volt is the national  measurement standard to DC voltage calibration. AC/DC transfer standard is used for maintaining of AC voltage and current calibration.
  • Tinsely resistor 1Ω± 0.6ppm and 10k Ω± 0.8ppm are the national measurment standards to DC resitance and Tinsley resistance 0.001Ω to 1MΩ are used to make the DC current traceability
     
2. Mass National Measurement Standard

The Ethiopian National Mass Measurment standard is set of standard weights of OIML class E2 from 1 mg to 10 kg.

3. Length measurement standard

The national measurement standards for the length is a set of gauge block of Grade 00. The set has 116 pieces with nominal values ranging from 0. 5μm to 500 mm. Combinations of gauge blocks are used when calibrating items with values other than nominal values available in the set.  Using this technique the scope in this area can be extended to cover the ranges from 0.5μm to 900 mm.

4. Temperature measurement standard

The national measurement standards of temperature calibration are Standard Platinum Resistance Thermometers (SPRTs) and noble type Thermocouples (TCs), which are capable to measure -40 to 660OC and 660 to 1200OC respectively

5. Secondary Standard Dosimetry Laboratory (SSDL)

The national measurement standard to ionization radiation is equipped with a Cs-137 irradiator