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CERTI FICATE of CALI BRATION
rssued by OTS (Pvt.l Limited
Navana DH Tcwer, Level3,6 Panthapath, Dhaka-1215
Tel: +88-02-9126028, 9124003, 01755585553-7
Fax: +88 02 58156739, E-mail: info@otsbd.com, www.otsbd.com
cerhficat. No. c-0s02 & c.1352
certificateNo. o17ll17-o6114443a
lssu€ Date ra/o612o17
customer Details:
Na ma Omera Cylinders Limited
Mirpur, Natunbazar, Post Office: Shatiajuri,
Upazilar Bahubal, Zila: Habiganj,
Eangladesh.
Tel +8801787 671882, +8801787 671883
E-mail shawki jamal@omeracylinders.com, samiul.allm@omeracylinders.com
Details of Unit Under Calibration (UUC):
Description Pressure Gauge
MAG
K1.2,5
SerialNumber
lD No. ocL-PG-010
Ran8e/workins Ranse (bar) 0to16
Ieast Count (bar) 1
Location o{ Calibration Laboratory
OK
Date of lnst. Receipt 17 /0612011
1/ /A6/201 t
suggested oue Date 17/0612018
Service Request No. 44434
Calibration Procedure Thecalibration has been performed under controLled conditions usingOTS Laboratory reference
siandards, which are periodically refer€nced tooneormoreoftheprimarystandardstraceableto
NPVN ST or other national physical measures as equrvalent by NIST. The calibration had been
performed in accordance with calibration procedure COP/oTS/wl 03M lProcedure based on OKD-R6'
1).
Calibration Result The details of stJnoJrd equ pment used lor cahbratior & 'esull ol calibral,on are Srven rn
page 2 & 3.
Conclusion Forthe status ofmeasurements please referto the gurdance notes.
Environment: (certified against calibrated digital temperature & humidity meter)
remperature l'c) 2311
Eelative Humidity {%RHl 40 to 60
Change rn temperature and relative humidity of the Laboratory d!rlng the calibration was less than 0-3'C per hour and
5.0% pcr 4 hours respectively.
Thrs certificate rs issued strictlyln accordance with the requlrementsoflSO 17025r2005. Allcalbration equipmentsare
tr:rceable tothe nternationalStandards. Documentary evldence i5available upon request.
o11 ll17 -06)/4443A Page 1 of 3
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CERTIFICATE of CALIBRATION ,fA*ox
rssued by OTS (Pvt.) Limited q@9
Navana DH Tcwer, Level 3, 6 Panthapath, Dhaka-1215
Teli +88-02-9126028, 9124003, 01755585553-7
Fax: +88 02 58156739, E-mail: info@otsbd.com, www.otsbd.com
>K
cerifrcate No. c 0902 & a 1162
Oetails of Standard Equipment Used for Catibration:
Sl. No. Description Make lnst. Sl. /rD NO, Certificate No. Validity Calibrated 8y
01 Dead Werght Tester T11F153 cTtJ/c^t/fi-as/046 10/os/2019 c&t
Temp. & RH Data
02 Supco oTs/DL/01 501,6077 12/02l2Or8 BELZ
siatus A The measurement is wrthin tolcrance, due allowances having been made for the uncertainty of the measurement.
status a Thc mcasurement may be out of tolerance, due alowances having been made for the uncertainty of the measurernent.
Status C The measurementis outoftolerance, due allowances having been madeforthe uncertaintyofthe measurement,
Status o No concl!sron can be drawn, because the standard{, do(es)not specify a to erance for this measurement.
OBSERVATION: (verified against calibrated instruments)
Order
LJUC Value 5TO Avg. Value
Sl. No. Error (bar) Status
(ba4 (ba4
01 0.00 0.00 0.00 N/s D
02 5.00 5.03 -0.03 N/s D
03 10.00 1A AJ '0.07 N/S D ,1-2% af .de.
a4 12.00 12.09 0.09 N/S u
05 16.00 16.13 -0.13 N/S
UUC Value STD Avg. Value
Sl. No. Error (bar) Tolerance Status Uncertainty
(bar) (bar)
0l 16.00 16.13 -0.11 N/s D
o2 12.00 12.10 0.10 N/s o
03 10.00 10.08 -0.08 N/s D L.2% af ,de.
a4 5.00 5_04 o.o4 N/S D
05 0.00 o.o1 0.01 N/S D
o17 /117 06)14443A Pdde 2 ol l
cerlifet No, c{902 & Gr3E2
The overall uncertainty shatl be calculated as per lso
"Gulde to the Expression oft ncertalnty in Measuremene (6uM). The uncertalnty
represents an expanded uncertainty using a coverage factor k=2 to
approximate a 95% confldence level.
Notes:
1. The values mentioned above arethe mean readings.
2. No adjustmentwas done durlngthe caltbration.
3. Anysection marked, "N/A" means NotApplicablE "N/t/ means Not provided, .N/R, means Not Readable,.N/S" means NotSpecified.
Calibrdted By: Checked gy:
r.4*-raEii-
Md. xamran Md.qsadull.h Ghalib
(Calibratlon EnStneer)
F02( 5.4/01/C) tssue No. Ot Oateoftssue: Orlol2012
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