introduction of maxlab of maxlab oct-06.pdf · mains circuit breaker and pqm harmonic load bank...

Hong Kong Accreditation Service (HKAS) has accredited the Calibration Laboratory of MaxLab Calibration Centre Limited under Hong Kong Laboratory Accreditation Scheme (HOKLAS) for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories.

Tel. (852) 2116 1380 Fax. (852) 2264 6480

MaxLab Calibration Centre Limited 萬儀校正中心有限公司

Introduction ofIntroduction ofMaxLabMaxLabOctober 2006

MaxLab Calibration Centre Limited

Company ProfileCompany Profile

MaxLab Calibration Centre Limited is a Calibration and Test Laboratory.It started service as “MaxLab Calibration Centre” in April 1999.Our aim is to provide quality services to our valuable customers, at a very competitive charge and short lead time.The Calibration Laboratory was HOKLAS accredited in October 2005.


Laboratory FacilitiesLaboratory Facilities

A series of Pressure Calibrators in the Mechanical Laboratory

Electrical & Electronic Laboratory


Laboratory FacilitiesLaboratory Facilities

50 kV Test Set and 100 kV Voltmeter in theElectrical Power Laboratory


Service ScopeService Scope

Local calibration and instrumentation service, in laboratory or on-siteEngineering services and studies, e.g. power quality investigation, testing on electrical & mechanical equipmentDesign & fabrication of equipment to meet specific customer requirements



Training Courses and technical seminars on instrumentation and power quality issues



Calibration in Laboratory

Long Term Calibration Contracts are established with :MTR Corporation Limited

Other Major Customers :– e.g. CLP Power Hong Kong Limited– e.g. Drainage Services Department,

Water Supplies Department, EMSD

– e.g. TÜV Product Service Asia Ltd., SGS Hong Kong Ltd.

UtilitiesGovernment Departments

Other Laboratories



On-site Calibration

Pressure Sensor (CLPP)

100 kV Voltmeter (CLPP)



On-site Instrument RepairHigh Current Circuit-breaker Test Set (Schneider Electric)

Product Testing at FactoryHarmonic Filter (PowerPlusSystem in Singapore)


Service ScopeService ScopeSpecial-built test rig for micro-switch endurance test (MTRC)

Control & Measurement Unit

Pneumatic driven actuator of the micro-switches inside the environmental chamber


Service ScopeService ScopeSpecial-built test rig for VCC point detector vibration & endurance test (MTRC)

Multi-axes pneumatic driven actuators with synchronized control

Detectors mounted on vibration shaker


Service ScopeService ScopeEngineering Measurement

Laboratory Test on Floor Tile (Engineering firm)

On-site Test on EMU High Voltage Cable (KCRC)


Service ScopeService ScopeEngineering Measurement - On-site Test of Floor Tiles at

Railway Station (KCRC – West Rail)

HV Set used in the test

Engineer wearing insulated gloves and shoes during the test



Engineering Measurement - On-site Test of Harmonic Filters at Police Headquarter III (ASD)

PQMPQM

Active Harmonic Filter

Mains Circuit Breaker and PQM

HarmonicLoad Bank

Passive Harmonic Filter



Engineering Measurement - On-site Test of Harmonic Filter at Police Headquarter III (ASD)

HKIE Visit on 31-Jan-04



Engineering Measurement - On-site Test of Harmonic Filter at Police Headquarter III (ASD)

3 5

7 9

11 13

15 THD

Harmonics after FilteringHarmonics created by HLB

0

5

10

15

20

25

% Distortion

Harmonic No.

Harmonic Filter Performance Test by Harmonic Load Bank

Harmonics after Filtering

Harmonics created by HLB


Service ScopeService ScopeEngineering Measurement – Capture the battery current

profile at the starting of 1 MVA mobile generator (CLPP)



Fabrication & Design – to meet specific customer requirements

R11

10 k

+

-OP77Input 2 Output 2

-70 V

Q5

2N3055

Q6

MJ2955

R14

2.7 k

12 W

R22

300

2 W

R17

10 k

R21

1 M

R24

3.3

2 W

Q4

TIP31C

Q3

TIP32C

R23

300

2 W

R15

2.7 k

12 W

R12

5 k

R16

510

R18

10 k

R13

110 k

R19

510

R25

3.32 W

R20

1 M

R10

10 k

R9

5 k +

-OP77

+70 V

ZD1

1N4745

16 V

ZD2

1N4745

16 V

D1

1N4148

D21N4148

C1033 pF

C9100 pF

0 - 110 V (p-p) ,

0 - 100 Hz sine wave

Maximum 600 mA peak

0 - 5 V (p-p),0 - 100 Hz sine wave

6

2

3

6

2

3

7

4

7

4

IC2

IC3

POWERON

INPUT 1 INPUT 2

OUTPUT 1OUTPUT 2

50 40 40 40 7519.05405

52

152

46

85150

30

34

30

40

SA1 Signal Amplifier

Special DC-coupled Voltage & Power Amplifier (MTRC)


Service ScopeService ScopePower Quality Investigation- Increasing concern from customer

Power quality monitoring equipment at site (for Carrier)


Service ScopeService ScopePower Quality Investigation

Voltage Dip at 20-May-2002 21:19

-400-300-200

-1000

100200

300400

0 20 40 60 80 100 120 140

Time Interval (ms)

(V)

V1

V2

V3

Voltage sag captured at an industrial building that tripped a Refrigeration Chiller Plant


Service ScopeService ScopePower Quality Investigation

Interruption due to System Fault at 7-May-2003 11:56

-400

-300

-200

-100

0

100

200

300

400

0 50 100 150 200 250Time Interval (ms)

(V)

V1V2V3

Voltage interruption captured at a commercial building



Service Contract - Long Term Testing Contract is

established with CLP Power on Testing of Revenue Metering Equipment

Engineer is adjusting the sensor


Organization ChartOrganization Chart

Laboratory ManagerMSc, CEng, MIEE, MInstMC, MHKIE, RPE (Elec, ENC, CAI)

Chartered Measurement & Control Technologist

Technical

Team

Administration

Team

Quality

Team

Senior Engineer

Engineers

Customer Service Officer

Administration Officer

Internal Quality Auditor

Assistant Manager

(Meter Testing)

Engineer

Technicians


Management SystemManagement System

Services are provided under the HKQAA ISO 9001 certified quality systemCertification is recognized by UKAS, HKCAS & CNABCertificate No. CC1929Scope :- Provision of Calibration, Inspection and Maintenance

Services of Measuring Instruments- Provision of Measurement and Testing Services



The Calibration Laboratory is HOKLAS accredited (Registration No. 162) according to ISO/IEC 17025



Services are also provided under the HKQAA Certified

- OHSAS 18001 health and safety management systemCertificate No. CC3208

- ISO 14001 environmental management system Certificate No. CC3207


TraceabilityTraceability ChartChart

Other Accredited Laboratories

The Government of the HKSAR - Standards and Calibration Laboratory (HOKLAS Accredited)

Manufacturers’Laboratories

Electrical / Electronics• Multi-function Calibrator

• Standard Resistor• Precision Multimeter• Signal Generator• LCR Meter• Standard Wattmeter• HV Meter / Test Set

Environmental,Temperature & RH• Oil Bath• Infrared Thermometer Calibrator

• Environmental Chamber

• Anemometer• Gas Detector

Pressure / Mass / Torque• Dead Weight Tester

• Differential Pressure Calibrator

• Standard Mass Set

• Torque Wrench Tester

Dimension• Standard Scale

• Gauge Block• Micrometer

Vibration & Sound • VibrationCalibrator

• Sound Level Calibrator


EnquiryEnquiry

Tel : (852) 2116 1380

Fax : (852) 2264 6480

Address : Unit 1, 22/F., Futura Plaza, 111-113 How Ming Street, Kwun Tong, Kowloon, Hong Kong

Email : [email protected]

Website : www.maxlab.com.hk

Technical Enquiry :Mr. K. O. Lo

Customer Service : Ms. Sip Mak


Thank You !

introduction of maxlab of maxlab oct-06.pdf · mains circuit breaker and pqm harmonic load bank...

Documents