Easycal, User guide, Table 2 – BrandTech Scientific EASYCAL 4.0 User Manual
Page 30
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EASYCAL
™
User Guide Version 4.0 · Status: June 2008
EASYCAL
™
User Guide
Table 2
If volumetric instruments made of plastic are to be tested, the following table provides factor “Z” for PP and PMP.
Note:
Tables based on other atmospheric pressure ranges are available on request.
Lower atmospheric
pressure range
980 to 1000 hPa
Medium atmospheric
pressure range
1000 to 1020 hPa
Upper atmospheric
pressure range
1020 to 1040 hPa
Type of plastic
Type of plastic
Type of plastic
Testing temperature
PP
PMP
PP
PMP
PP
PMP
[°C]
Z [ml/g]
Z [ml/g]
Z [ml/g]
Z [ml/g]
Z [ml/g]
Z [ml/g]
15
1.00420
1.00371
1.00423
1.00373
1.00425
1.00375
15.5
1.00406
1.00361
1.00408
1.00363
1.00410
1.00365
16
1.00391
1.00351
1.00393
1.00353
1.00395
1.00355
16.5
1.00376
1.00342
1.00379
1.00344
1.00381
1.00346
17
1.00362
1.00332
1.00364
1.00334
1.00366
1.00337
17.5
1.00348
1.00324
1.00351
1.00326
1.00353
1.00328
18
1.00335
1.00315
1.00337
1.00317
1.00339
1.00319
18.5
1.00322
1.00307
1.00324
1.00309
1.00326
1.00311
19
1.00308
1.00298
1.00310
1.00301
1.00313
1.00303
19.5
1.00296
1.00291
1.00298
1.00293
1.00300
1.00295
20
1.00283
1.00283
1.00285
1.00285
1.00287
1.00287
20.5
1.00271
1.00276
1.00273
1.00278
1.00275
1.00280
21
1.00259
1.00269
1.00261
1.00271
1.00263
1.00273
21.5
1.00247
1.00262
1.00249
1.00264
1.00251
1.00266
22
1.00233
1.00253
1.00235
1.00255
1.00237
1.00257
22.5
1.00225
1.00250
1.00227
1.00252
1.00229
1.00254
23
1.00214
1.00243
1.00216
1.00245
1.00218
1.00247
23.5
1.00203
1.00238
1.00205
1.00240
1.00207
1.00242
24
1.00192
1.00232
1.00194
1.00234
1.00196
1.00236
24.5
1.00182
1.00227
1.00184
1.00229
1.00186
1.00231
25
1.00172
1.00222
1.00174
1.00224
1.00176
1.00226
Testing of volumetric instruments made of plastic
Factor “Z” [ml/g]