5-7
1010PVNFM-3A
Section 5
reactivate an inactive Site Setup is to recall it back into to
Active Memory
. However, be aware
that this action over-writes ALL the data residing in the
Active Memory
area.
The Datalogger
logs data collected at preset intervals during operation. It uses the system
RAM resources independently of
Active Memory
and
Site Storage Memory
. Therefore, data
movement between Active Memory and Site Storage memory will not affect it directly. How-
ever, 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. There-
fore, an unusually large Datalogger file may reduce the amount of site storage memory avail-
able. 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 chan-
nels in a common file so you must include Site ID for each line to identify the applicable
measurement channel.
The 1010 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 resources.
5.6
REFERENCE TABLES
The following tables provide reference data that may be required during the Site Setup.
SONIC VELOCITY (in meters/sec) FOR COMMON LIQUIDS @ 68
°
F
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
