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.
MaxLab Calibration Centre Limited
Laboratory FacilitiesLaboratory Facilities
A series of Pressure Calibrators in the Mechanical Laboratory
Electrical & Electronic Laboratory
MaxLab Calibration Centre Limited
Laboratory FacilitiesLaboratory Facilities
50 kV Test Set and 100 kV Voltmeter in theElectrical Power Laboratory
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
Service ScopeService Scope
Training Courses and technical seminars on instrumentation and power quality issues
MaxLab Calibration Centre Limited
Service ScopeService Scope
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
MaxLab Calibration Centre Limited
Service ScopeService Scope
On-site Calibration
Pressure Sensor (CLPP)
100 kV Voltmeter (CLPP)
MaxLab Calibration Centre Limited
Service ScopeService Scope
On-site Instrument RepairHigh Current Circuit-breaker Test Set (Schneider Electric)
Product Testing at FactoryHarmonic Filter (PowerPlusSystem in Singapore)
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
Service ScopeService ScopeEngineering Measurement
Laboratory Test on Floor Tile (Engineering firm)
On-site Test on EMU High Voltage Cable (KCRC)
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
Service ScopeService Scope
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
MaxLab Calibration Centre Limited
Service ScopeService Scope
Engineering Measurement - On-site Test of Harmonic Filter at Police Headquarter III (ASD)
HKIE Visit on 31-Jan-04
MaxLab Calibration Centre Limited
Service ScopeService Scope
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
MaxLab Calibration Centre Limited
Service ScopeService ScopeEngineering Measurement – Capture the battery current
profile at the starting of 1 MVA mobile generator (CLPP)
MaxLab Calibration Centre Limited
Service ScopeService Scope
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)
MaxLab Calibration Centre Limited
Service ScopeService ScopePower Quality Investigation- Increasing concern from customer
Power quality monitoring equipment at site (for Carrier)
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
Service ScopeService Scope
Service Contract - Long Term Testing Contract is
established with CLP Power on Testing of Revenue Metering Equipment
Engineer is adjusting the sensor
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
Management SystemManagement System
The Calibration Laboratory is HOKLAS accredited (Registration No. 162) according to ISO/IEC 17025
MaxLab Calibration Centre Limited
Management SystemManagement System
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
MaxLab Calibration Centre Limited
Management SystemManagement System
MaxLab Calibration Centre Limited
Management SystemManagement System
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
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
MaxLab Calibration Centre Limited
Thank You !