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Metrological service
Accreditation scope for measuring instruments verification
| № |
Measuring devices under verification |
| Verification type: initial after production, initial after repair, periodical |
Name of measuring instrument groups |
Metrological characteristics |
| Measurement range |
Class, digit, inaccuracy |
| Thermophysical and temperature measurements |
| 1 |
Periodical, initial after production, when imported and after repair |
Digital thermometers (w/o sensor);
digital multimeters in temperature measurement mode |
(-200…2300) °С |
± (0,1…1) °С |
| Time and frequency measurement |
| 2 |
Periodical, initial after production, when imported and after repair |
Frequency counters,
digital multimeters in frequency measurement mode |
0,01Hz…4GHz
0,1µs …10s |
±1×10-8 per year
±1×10-8 per year |
| Measurement of electric and magnetic values |
| 3 |
Periodical, initial after production, when imported and after repair |
Digital voltmeters (multimeters) in measurement mode of:
-DC voltage
-AC voltage
-DC
-AC
-resistance
-capacity
- inductance |
1µV …1000V;
10µV …1000V
10Hz …500kHz,
100µV …3,5V
500kHz…1100MHz;
0,1µA…20A;
1µA …20A,
10Hz …30kHz
0,001Ω…10000 MΩ
100pF …1µF
1µF …110mF
1µH …1H |
±(0,005…1)%
±(0,05…0,3)%
±(0,5…10)%
±(0,1…1,5)%
±(0,12…1)%
±(0,01…1)%
±(0,3…1)%
±(1,5…3)%
±(0,1…5)% |
| 4 |
Periodical, initial after production, when imported and after repair |
Resistance meter |
0,002Ω …10000MΩ |
±1% |
| 5 |
Periodical, initial after production, when imported and after repair |
Electric resistance measures |
0,002Ω …10000MΩ |
±0,2% |
| 6 |
Periodical, initial after production, when imported and after repair |
Sezmiconductor and IC L2-… testers |
(0,05…400)V
(10-9…10-3)A |
±(2,5…5)%
±(2,5…5)% |
| 7 |
Periodical, initial after production, when imported and after repair |
DC sources |
(0,01…300)V
(0,001…20)A
Unstable output voltage
Unstable output current |
±0,5%
±1,0%
±0,01%
±0,01% |
| 8 |
Periodical, initial after production, when imported and after repair |
Electronic loads in measurement mode of:
-DC
-DC voltage |
1mA …30A
(1...300)V |
±0,05%
±(0,015...0,02) % |
| 9 |
Periodical, initial after production, when imported and after repair |
Clamp meters; Power quality analyzers in measurement mode of:
-DC
-AC
-DC power
-AC power
-phase angle
- harmonic factor |
0,01mA…1000A
1µA …329mA
10Hz… 30kHz
330mA…2,9A
10Hz… 10kHz
3A…1000A
10Hz… 440Hz
010mW…1000kW
10mW…1000kW
(45…1000) Hz
0°…360°
(45…1000)Hz
(0…4) %
from 2 to 50 harmonics |
±(0,1…1,5)%
±(0,5…3)%
±(0,5…3)%
±(0,5…5)%
±(0,1…0,3)%
±(0,2…0,5)%
±(0,5…1,5)%
±0,16% |
| 10 |
Periodical, initial after production, when imported and after repair |
Thermometer calibrators and multifunctional calibrators in playback mode of:
-voltage
-current
-resistance |
0,1mV…15V
1µA …100mA
1Ω…3200Ω |
±0,02%
±0,2%
±(0,1…1)Ω |
| Radiotechnical and radioelectric measurements |
| 11 |
Periodical, initial after production, when imported and after repair |
Low-frequency signal generator |
0,01Hz…50MHz
0,01V…40V
THD = 0,1%-30%
20Hz…200kHz |
±0,0001%
±(1…30)%
±0,2 % |
| 12 |
Periodical, initial after production, when imported and after repair |
Oscilloscopes |
(0…1100) MHz
1mV…1000V
1ns…10s |
±0,15%;
±0,01% |
| 13 |
Periodical, initial after production, when imported and after repair |
AC voltage voltmeters |
10µV …700V
10Hz…100kHz;
10µV …3V
100kHz…100MHz |
±(0,3…1,5)%
±(0,6…15)% |
List of standard samples and support equipment
- Calibrator-voltmeter B1-29
- Voltmeter B7-40/5
- Oscilloscope C1-114/1
- Resistor bank P4831
- Resistor bank P4002
- Resistor bank P40101
- Resistor bank P40108
- Resistor bank P40115
- Capacitor box Р5025
- Psychometric hygrometer ВИТ-2
- Device for measuring electric strength of insulation УПУ 1-М
- Megaohmmeter Ф-4102/1-1М
- Frequency meter Ч3-63/1
- Inductance measure kit Р596
- Р310 (0,001?)
- Р321(0,1?)
- Р310 (0,01?)
- Microvoltmeter В3-57
- Unstability tester В8-8
- Distortion meter С6-11
- Oscilloscope calibrator И1-9
- Test signal generator И1-14
- Test signal generator И1-15
- Voltmeter В3-48А
- Pulse generator Г5-75
- Signal generator Г4-176
- Calibrator-voltmeter В1-28
- Signal generator Г3-112
- Signal generator Г3-110
- Power supply Б5-47
- Calibrator FLUKE-5520А
Option SC-1100
- Calibrator FLUKE-5520А
Option PQ, 50 turn coil
- Signal generator Г4-78
- Signal generator Г4-79
- Signal generator Г4-80
- Oscilloscope TDS3012
- Multimeter АВМ-4306
- Electronic load АТН-8120
- Electronic load АТН-8301
- Autotransformer TDGC-2
- Power supply АТН-1237
- Frequency standard 6689/011
- Frequency meter Ч3-64/1
- Aneroid barometer БАММ-1
- Power sensor NRP-Z31
- Calibrator FLUKE-5522А
Options PQ, SC-1100
- Precision voltmeter Fluke 8508A
- Thermocouple АТА-2008
- Thermocouple АТА-2102
- Thermocouple АТА-2103
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