NATIONAL STANDARDS LABORATORY

Updated: Jun-05-2020

General Information

Type of service provider
Calibration laboratory
Physical postal address

Corner of Ashmun & Gurley Streets
Monrovia
Liberia

Phone number
(+ 231) 0776246161
E-mail
nationalstandardslaboratory [at] gmail.com
Has the laboratory been accredited in any scopes?
No
Does the laboratory have other sites?
No

Personnel

Chief Executive Officer (CEO) / Head of Organization

CEO Name
MR. STEPHEN Y.MAMBU
CEO E-mail
smambu [at] moci.gov.Ir

Total laboratory personnel

Total laboratory personnel
33
Male laboratory personnel
24
Female laboratory personnel
9

Technical personnel

Technical personnel total
22
Male technical personnel
19
Female technical personnel
3

Technical Information

Fields of Metrology

Dimensional
Magnetism
Time and frequency
Volume and density
Other
Other calibration laboratory services
(Weighting Instrument)
Scope of calibration services offered
Calibration object
2 SPRT
2 Thermo-
couples.
4 Liquid In
Gas
Thermometer
Quantity/ Property
Temperature
Procedure reference
Calibration of
Thermometer
s using
Probes /
SPRT and
Thermo-
couples.
Calibration
Liquid in
Glass
Thermometer
using Probes
Range/ Limit
0-150 °C
0 °C-1500

0 °C-50 °C
0 °C-100 °C
0 °C-200 °C
0 °C-300 °C
CMC
Determining
the Ice /
Triple Point
with 32
0
F or
0
0
C and 25
0
C
to 60
0
C for
using both
the Probes /
SPRT
Thermo-
couples
Accreditation status
No
Calibration object
4 Satorius
Analytical
Balances.
Mass Weight
Set.
Quantity/ Property
Mass
Procedure reference
Pooled
Deviation.
Balance
Calibration.
Calibration
Mass Pieces.
Range/ Limit
1 mg-1g
1 g-200g
500 g-2000g
5000 g-
30000g
F1=10k g
F1=20kg
F1=1mg-5kg
E2 & M2
CMC
1mg-1g
1g-200g
500g-2000g
5000g-
30000g
F1=10kg
F1=20kg
F1=1mg-5kg
E2 & M2
Accreditation status
No
Calibration object
Analytical
Balance.
Pipettes.
Beaker
Quantity/ Property
Volume
Procedure reference
Validated
International
Standard
Method
(Gravimetric
Analysis )
Range/ Limit
1mg-220g
0-100ml
0-800ml
CMC
1mg-220g.
1ml-5l.
Accreditation status
No
Uncertainty of measurements reports
Yes
Statement identifying how the measurements are metrologically traceable
Yes

How does the laboratory ensure international traceability of its measurements standards?

Through calibration certificates issues by an accredited national laboratory
no
Through calibration certificates issues by an accredited overseas laboratory
Yes
Does the lab participate in any inter- laboratory comparison?
Yes
Please provide details about the scheme
ECOWAS PTB IN MASS CALIBRATION FAPAS, FERA
Does the laboratory sub-contract calibration work to other laboratories?
No

Quality Control / Quality Management

Does the lab operate an internal quality control (QC) system to ensure quality of measurement?
Yes
Does the lab operate a management system (or Quality Management System) for assuring the quality of calibrations?
Yes
Is the system documented in a Quality Manual?
Yes