Sea-Bird Electronics SBE 38 Uživatelský manuál stáhnout pdf (Strana 29)

Manual revision 006 Section 3: Power and Communications Test SBE 19plus V2

5. Display 19plus V2 status information by typing DS and pressing the Enter

key. The display looks like this:

SBE 19plus V 2.3 SERIAL NO. 4000 15 Mar 2011 14:02:13

vbatt = 10.1, vlith = 8.9, ioper = 61.9 ma, ipump = 20.8 ma,

iext01 = 76.2 ma

status = not logging

number of scans to average = 1

samples = 10, free = 4386532, casts = 1

mode = profile, minimum cond freq = 3000, pump delay = 60 sec

autorun = no, ignore magnetic switch = no

battery type = alkaline, battery cutoff = 7.5 volts

pressure sensor = strain gauge, range = 1000.0

SBE 38 = no, WETLABS = no, OPTODE = no, Gas Tension Device = no

Ext Volt 0 = yes, Ext Volt 1 = yes

Ext Volt 2 = no, Ext Volt 3 = no

Ext Volt 4 = no, Ext Volt 5 = no

echo characters = yes

output format = converted decimal

output salinity = no, output sound velocity = no

6. Command the 19plus V2 to take a sample by typing TS and pressing the

Enter key. The display looks like this (if in Profiling mode, with

converted decimal output format, no output salinity or sound velocity, and

auxiliary voltage sensors on channels 0 and 1):

23.7658, 0.00019, 0.062, 0.5632, 2.3748

where 23.7658 = temperature in degrees Celsius

0.00019 = conductivity in S/m

0.062 = pressure in db

0.5632 = voltage for auxiliary sensor channel 0

2.3748 = voltage for auxiliary sensor channel 1

These numbers should be reasonable; e.g., room temperature, zero

conductivity, barometric pressure (gauge pressure).

7. Command the 19plus V2 to go to sleep (quiescent state) by typing QS and

pressing the Enter key.

The 19plus V2 is ready for programming and deployment.

Notes:

• The 19plus V2 automatically enters

quiescent (sleep) state after

2 minutes without receiving a

command. This timeout algorithm is

designed to conserve battery energy

if the user does not send QS to

put the 19plus V2 to sleep.

If the system does not appear to

respond, click Connect in the

Communications menu to

reestablish communications.

• Sending the status command

causes the pump to turn on for a

moment, so that the 19plus V2 can

measure and output the pump

current. Because the pump is

designed to be water lubricated, you

may hear a noise when the impeller

spins in air. Running the pump dry

for short periods (for example, when

sending the status command) will

not harm the pump.

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