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Installation and Configuration Manual 49
Calibration Check
General MaintenanceCalibration Check
5.2 Calibration certificate examples
5.2.1 Viscomaster sample calibration certificate
Note: Figure 5-1 is an example only. It is NOT the calibration certificate for your Viscomaster.
Figure 5-1 Example Calibration Certificate for Viscomaster (Metric Units)
example
CALIBRATION CERTIFICATE
7829FEANAJBBBA VISCOMETER SERIAL NO : XXXXXX
CAL DATE : 15DEC04
PRESSURE TEST : 160 Bar
VISCOSITY CALIBRATION AT 20ºC (2” Schedule 40)
VISCOSITY QUALITY VISCOSITY = V0 + V1.1/Q**2 + V2.1/Q**4
(cP) FACTOR
INSTRUMENT CHECK DATA
0.59 920.79
10.67 268.64 AIR POINT (20ºC) QUALITY FACTOR = 5208
53.36 123.35
108.16 84.25
ULTRA-LOW RANGE LOW RANGE
(0.59 – 10.67) (10.67 – 108.16)
V0 = -4.90450E-01 -1.40975E+00
V1 = 8.49042E+05 8.81886E+05
V2 = -3.13525E+09 -7.39203E+08
DENSITY CALIBRATION AT 20ºC (2” Schedule 40)
DENSITY TIME PERIOD B DENSITY = K0 + K1.TB + K2.TB**2
(kg/M
3
) (usec)
K0 = -2.55203E+03
0 526.090 K1 = 1.33903E-02
(Air 525.982) K2 = 9.19530E-03
300 556.194
500 575.391
800 603.042 Dt = D ( 1 + K18(t-20) ) + K19(t-20)
1000 620.793
1600 671.239 K18 = -4.614E-04
K19 = -1.101E+00
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Where D = Density (uncorrected) | FINAL TEST & |
Dt = Density (temperature corrected) | INSPECTION |
Dv = Density (temp and viscosity corrected) | |
TB = Time Period B(uS) | |
Q = Quality factor | |
t = temperature (ºC) | |
--------------
Ref No:- XXXXXX/Vx.x DATE : 16DEC04
example