Siemens SITRANS FUH1010PVDX, Руководство по эксплуатации, Страница: 97 / 308

4-7
CQO:1010PVXFM-3
Section 4
The Datalogger logs data collected at preset intervals during operation. It uses the system RAM re-
sources independently of Active Memory and Site Storage Memory . Therefore, data movement be-
tween Active Memory and Site Storage memory will not affect it directly. However, all stored data shares
a common RAM pool. The meter allocates the actual amount of bytes available for each storage function
dependent on the demands of each facility. Therefore, an unusually large Datalogger file may reduce the
amount of site storage memory available. Storing several inactive site setups may reduce the available
logging capacity.
If you receive a [Memory Full!] message when you try to save a Site Setup, then you will have to delete
an obsolete Site Setup or clear the Datalogger Memory to make room. Another Datalogger memory
consideration applies to dual-channel systems, when both measurement channels are actively logging
data. Dual-channel meters store logged data from BOTH channels in a common file so you must include
Site ID for each line to identify the applicable measurement channel.
The FUH1010 also offers a Memory Map and Defragmenting command in the Meter Facilities area of
the menu as an aid in visualizing and maximizing the efficient utilization of your meter’s memory re-
sources.
4.6 REFERENCE TABLES
The following tables provide reference data that may be required during the Site Setup.
Liquids/Oils Vs(m/s) Liquids/Oils Vs(m/s)
Acetate, Butyl (n) 1270 Ethanol 1180
Acetate, Ethyl 1180 Ethylene Glycol 1620
Acetate, Methyl 1150 Gasoline 1250
Acetate. Propyl 1180 Glycerine 1920
Alcohol 1440 Linalool 1400
Alcohol, Butyl (n) 1270 Linseed Oil 1770
Alcohol, Ethyl 1180 Methylethyl Ketone 1210
Alcohol, Methyl 1120 Motor Oil (SAE 20/30) 1487
Alcohol, Propyl (i) 1170 Paraffin Oil 1420
Alcohol, Propyl (n) 1220 Pentane 1010
Benzene 1330 Petroleum 1290
Benzol, Ethyl 1340 Trichlorethylene 1050
Butyrate, Ethyl 1170 Transformer Oil 1390
Carbon Tetrachloride 938 Turpentine 1280
Diethyl Ketone 1310
SONIC VELOCITY (in meters/sec) FOR COMMON LIQUIDS @ 68
°
F
LiquIdent S.G. Viscosity Compressibility Name
1100 0.6465 0.15 0.00001 MTBE (Additive for Oxygen)
1180 0.717 0.6 0.00001 LFP (Lead Free Premium)
1200 0.733 0.6 0.00001 LR (Leaded Regular)
1330 0.775 1.0 0.00001 KEROSENE
1350 0.818 1.16 0.00001 AVJET (AV Jet Fuel)
1380 0.819 1.95 0.00001 HSD (High Sulfur Diesel)
1410 0.885 2.75 0.00001 LSD (Low Sulfur Diesel)
1420 0.959 3.2 0.00001 GASSOIL (Sour Light Cycle Gas Oil)
1490 0.9300 119.00 0.00001 FO (Fuel Oil)
1579 0.9850 1049.00 0.00001 HFO (Heavy Fuel Oil)
DV LIQUID TABLES
(continued)