Time and Frequency

บริการสอบเทียบเครื่องมือวัดทางด้านความถี่และเวลา (Time and Frequency)

Stop Watch                                              RPM Meter                                          

Timer                                                      Total Revolution

Signal Generator                                       Counter                     

Arbitray Waveform Generator                     Frequency Meter

Frequency Counter                                    Tachometer

Etc. Please contact

 

 

 

 

 

Time and Frequency  ISO/IEC 17025 Accreditation 

Parameter/Equipment

Range

Expanded Uncertainty of Measurement (+/-)

Reference Standard, Method, and/or Equipment

1 Frequency - Source

(0.1 to 100) Hz

(>0.1 to 1 kHz

(> 1 to 10) kHz

(> 10 to 100) kHz

(> 0.1 to 1 MHz

(> 1 to 15) MHz

2.4 mHz

23 mHz

0.23 Hz

2.3 Hz

24 Hz

0.35 kHz

HP 33120A

Function Generator

1 Frequency - Source

(0.01 to 119.99) Hz

(120 to 1199.9) Hz

(1.2 to 11.999) kHz

(12 to 119.99) kHz

(120 to 1199.9) kHz

(1.2 to 2) MHz

0.2 mHz/Hz + 7.1 µHz

Multiproduct Calibrator

1 Frequency - Source

300 kHz

(> 300 to500) kHz

(> 0.5 to 1) MHz

(> 1 to 100) MHz

(> 100 to 500) MHz

(> 0.5 to 1) GHz

(> 1 to 2) GHz

(>2 to 3) GHz

(> 3 to 4) GHz

(> 4 to 5) GHz

(> 5 to 6) GHz

0.49Hz

0.82 Hz

1.7 Hz

0.16 kHz

0.82 kHz

1.6 kHz

3.3 kHz

4.9 kHz

6.5 GHz

8.2 kHz

9.8 kHz

Signal Generator, SMIQ 06L

1 Frequency – Measure

(1 to 40) Hz

(0.04 to 10) MHz

0.58 mHz + 19 µHz

0.12 mHz + 60 mHz

HP 3458A Multimeter

(30 min)

1 Frequency – Measure

100 kHz

(> 100 to 300) kHz

(> 0.3 to 1) MHz

(> 1 to 10) MHz

(> 10 to 100) MHz

(>100 to 225) MHz

(> 0.225 to 1) GHz

(> 1 to 3) GHz

(> 3 to 5) GHz

(>5 to 12.4) GHz

1.2 x 10-6 kHz

3.6 x 10-6 kHz

1.2 x 10-8 MHz

1.2 x 10-7 MHz

5.1 x 10-8 MHz

5.2 x 10-7 MHz

1.1 x 10-6 MHz

1.5 x 10-8 GHz

2.5 x 10-8 GHz

6.5 x 10-8 GHz

HP 53131A Universal Counter (24 hrs)

1 Tachometer

(Up to 99.99) RPM

(>99 to 999.99) RPM

(>999.99 to 99 999) RPM

0.072 RPM

0.1 RPM

0.58 RPM

Multiproduct Calibrator

1 Stopwatch & Timers

Up to 60 sec

(60 to 600) sec

(600 to 1200) sec

(1200 to 1800) sec

(1800 to 3600) sec

0.033 sec

0.039 sec

0.046 sec

0.053 sec

0.074 sec

HP 53131A Universal Counter – Totalize Method

1 Rotation Speed/Total Revolutions

(0.1 to 30) RPM

(> 30 to 1 000) RPM

(> 1 000 to 10 000) RPM

(> 10 000 to 90 000) RPM

0.5 % of Reading

0.2 % of Reading

0.07 % of Reading

0.07 % of Reading

Tachometer

      1. On-site calibration service is available for this parameter, since on-site conditions are typically more variable than those in the laboratory, larger measurement uncertainties are expected on-site than what is reported on the accredited scope

 

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