PAO Accredited Laboratories (as of November 2013) - DTI

12. ARK a ONE TECHNOLOGIES, INC.
Address : Unit 306 Plaza B Building, Northgate Cyberzone
Alabang, Muntinlupa City, Philippines
Telephone No. : 850-4347 to 49
Fax No. : 850-4348
E-mail : services@ark-1.net
Authorized Representative : Mr. Patrick G. Quion
General Manager
Accreditation No.
LA-2013-248A
Validity: 29 August 2018
Field of Testing
Calibration
Products/
Class of Test
Measured quantities/
instrument
Range to be
calibrated
Best measurement
capability
expressed as an
uncertainty (k=2)
Standard
Method/
Reference
Standard
5.35 Indicating and recording instruments
.01 D.C. voltmeters DC Voltage 0 to 220 mV 7.5 ppm + 0.4 µV FLUKE 5720A/
(up to 6½ digit) 0.22 to 2.2 V 5 ppm + 0.7 µV In-House Method
2.2 V to 11 V 3.5 ppm + 2.5 µV (Agilent Method)
11 V to 22 V 3.5 ppm + 4 µV
22 V to 220 V 5 ppm + 40 µV
220 V to 1100 V 6.5 ppm + 400 µV
.02 A.C. voltmeters AC Voltage 2.2 mV FLUKE 5720A
(up to 6½ digit) 10 - 20 Hz 240 ppm + 4 µV In-House Method
20 - 40 Hz 90 ppm + 4 µV (Agilent Method)
40 - 20 kHz 80 ppm + 4 µV
20 kHz - 50 kHz 200 ppm + 4 µV
50 kHz - 100 kHz 500 ppm + 5 µV
100 kHz - 300 kHz 1050 ppm + 10 µV
300 kHz - 500 kHz 1400 ppm + 20 µV
500 kHz - 1 MHz 2700 ppm + 20 µV
22 mV
10 - 20 Hz 240 ppm + 4 µV
20 - 40 Hz 90 ppm + 4 µV
40 - 20 kHz 80 ppm + 4 µV
20 kHz - 50 kHz 200 ppm + 4 µV
50 kHz - 100 kHz 500 ppm + 5 µV
100 kHz - 300 kHz 1050 ppm + 10 µV
300 kHz - 500 kHz 1400 ppm + 20 µV
500 kHz - 1 MHz 2700 ppm + 20 µV
220 mV
10 - 20 Hz 240 ppm + 12 µV
20 - 40 Hz 90 ppm + 7 µV
40 - 20 kHz 80 ppm + 7 µV
20 kHz - 50 kHz 200 ppm + 7 µV
50 kHz - 100 kHz 460 ppm + 17 µV
100 kHz - 300 kHz 900 ppm + 20 µV
300 kHz - 500 kHz 1400 ppm + 25 µV
500 kHz - 1 MHz 2700 ppm + 45 µV
2.2 V
10 - 20 Hz 240 ppm + 40 µV
20 - 40 Hz 90 ppm + 15 µV
40 - 20 kHz 45 ppm + 8 µV
20 kHz - 50 kHz 75 ppm + 10 µV
50 kHz - 100 kHz 110 ppm + 300 µV
100 kHz - 300 kHz 420 ppm + 80 µV
300 kHz - 500 kHz 1000 ppm + 200 µV
500 kHz - 1 MHz 1700 ppm + 300 µV
22 V
10 - 20 Hz 240 ppm + 400 µV
20 - 40 Hz 90 ppm + 150 µV
40 - 20 kHz 45 ppm + 50 µV
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