WetLabs, Inc. 541-929-5650, 929-5277fax, www.wetlabs.com
C Star Single Channel Transmissometer
SN:  CST-399DR

SPECIFICATIONS:

Measured Parameters:
Transmittance
Mechanical:

Pathlength
25cm pathlength
Dimensions
18.5 x 2.5 x 3.7 in(47 x 6.4 x 9.3 cm)
Material           
Hard anodized aluminum
Rated Depth
6,000 m  (aluminum)
Weight, in airin water
8 lbs (3.6 kg) (aluminum); 6 lbs (2.7 kg) (aluminum); 
Electrical:

Power Input
7-15 VDC
Power Dissipation
400 mw (typical)
Data Output
0-5 volt analog
Time Constant
0.167 sec
Precision 
1 mV
Dynamic Range
>4,000
Temperature Error
Specified:  0.02% F.S./deg CObserved:9 mV range (0-30)
Linearity Error
< 0.1%, F.S. 
Optical:

Pathlength
25 cm 
Wavelengths          
660 nm
Bandwidth
~ 20 nm
Beam Divergence
0.8 deg in water



V2 Air after
6200
4.7387
V1 Air before
6000
0.0000
V1 Blocked, finger
6391
1.4188
V1 Air after
7800
0.0049
V4 Air before
4592
4.4530
V4 Blocked, finger
4694
0.1673
V4 Air after
5200
4.4750
V9 Air before
3320
3.7607
V9 Blocked, finger
4000
4.8498
V9 Air after
4260
3.7778
Lenses cleaned w/kimwipes & isopropyl alcohol before readings
V2 = xmiss 399DR


V1 = fluorometer 30s
3sec, gain 100, 10x10-6  g/l
V4 = PAR QSP-200L4s, 4479

V9 = SPAR QSR-240. 6361

SBE9 = 0607
SBE11+ = 0426




date, time, file, cruise
file
A0 air open factory
Y0 blocked factory
A1 air open
Y1 blocked


10/17/01, 1622z, 44fxps end361
44fxps
4.8510
0.0580
4.8535
0.0574
19.9871
-1.1473
good
10/4/01, 1151z, 43ffxps pre-mid361 used for cruise
43ffxps
4.8510
0.0580
4.8230
0.0574
20.1150
-1.1546
good
10/3/01, 1652z, 43efxps pre361
43efxps
4.8510
0.0580
4.8205
0.0574
20.1255
-1.1552
noisy
10/3/01, 0145z, junk pre361
junk




not tested
not tested
10/3/01, 0132z, 43dfxps pre361
43dfxps
4.8510
0.0580
4.8107
0.0562
20.1620
-1.1331

10/2/01, 0106z, 43cfxps pre361
43cfx[s
4.8510
0.0580
4.8010
0.0574
20.2083
-1.1600

10/2/01, 2227z, 43bfxps pre361 on sheet
43bfxps
4.8510
0.0580
4.8120
0.0574



10/2/01, 2227z, 43bfxps pre361
43bfxps
4.8510
0.0580
4.8303
0.0574
20.0842
-1.1528

10/2/01, 1918z, 43afxps pre361
43afxps
4.8510
0.0580
4.8852
0.0574
19.8558
-1.1397
noisy
10/1/01, 2013z, junk1 pre361
junk1
4.8510
0.0580
4.2002
0.0562
23.1322
-1.3000
noisy









9/27/01, 1448z, 42fxps end360
42fxps
4.8510
0.0580
4.7387
0.574
20.4772
-1.1754

9/18/01, 1609z, 41fxps mid360
41fxps
4.8510
0.0580
4.0586
0.0574
23.9578
-1.3752

9/18/01, 1434z, 40xps mid360
40xps
4.8510
0.0580
4.5971
0.0562
21.1104.
-1.1864

9/18/01, 1422z, 39xfps mid360





not working, bad cable connection
9/16/01, 2043z, 38xfps Pre360
38xfps
4.8510
0.0580
4.8816
0.0562
19.8657
-1.1165

8/8/01, xxxxz, 37xfpos end358
37zfpos
4.8510
0.0580


20.xxxx
-1.xxxx

7/20/01, xxxxz, 36xfpos, start358
36xfpos
4.8510
0.0580


20.xxxx
-1.xxxx

7/18/01, 1259z, fxftes35a, end357
fxftes35a
4.8510
0.0580
4.7131
0.0623
20.6115
-1.2841

7/6/01, 2251z, fxstes34, start357
fxstes34
4.8510
0.0580
4.8877
0.0562
19.8406
-1.1150

6/18/01, xxxxz, fxstes33c, start356
fxstes33c
4.8510
0.0580
4.8570
0.0560
19.9667
-1.1181

6/18/01, xxxxz, fxstes33, start356
fxstes33
4.8510
0.0580
4.7970
0.0570
20.2236
-1.1527

6/13/01, 1102z, fxftes32, end355





20.xxxx
-1.xxxx

6/11/01, 1514z, fxxtes31, mid355





20.xxxx
-1.xxxx

6/07/01, 1726z, PARtest1, mid355





20.xxxx
-1.xxxx

6/05/01, 1915z, fxtes30, mid355





20.xxxx
-1.xxxx

6/01/01, 0018z, 355test5, pre355





20.3550
-1.1440

4/1/01, xz, New Instrument, ship test
factory
4.8510
0.0580
4.7656
0.0562
20.3550
-1.1440

4/1/01, xz, New Instrument, factory test
factory
4.8510
0.0580
5.0000
0.0000
19.1720
0.0000










Xmiss 243D








4/10/01, xxxxz, fxpste26, postEN351/pre352
fxpste26
4.6660
0.0030
4.3382
0.0000
21.4974
0.0000

3/27/01, 1916z, fxpste25, postEN350/pre351
fxpste25
4.6660
0.0030
4.3492
0.0000
21.4430
0.0000

3/7/01, 1xxxz, fxtes27, preEN350








12/10/00, 1xxxz, fxtes25, postEN348








12/6/00, ~1800z, fxpxte24, preEN348








12/5/00, 1940z, fxftes23, postEN347, preEN348
fxftes23
4.6660
0.0030
3.2821
0.0000
28.4147
0.0000

11/6/00, ~1700z, fxftes22, postEN345c
fxftes22
4.6660
0.0030
3.8889
0.0000
23.9811
0.0000

10/14/00, ~1450z, fxftes21, postEN345b
fxftes21
4.6660
0.0030
4.3004
0.0000
21.6864
0.0000

10/07/00, ~1749z, fxftes17b, preEN345b
fxftes17b
4.6660
0.0030
4.2344
0.0000
22.0244
0.0000

10/05/00, ~xxxxz, fxftes16, endEN345a
fxftes16
4.6660
0.0030
4.4310
0.0000
21.0472
0.0000

9/26/00, ~xxxxz, fxftes15, preEN345a
x
4.666
0.003
4.1209
0.0000
22.6310
0.0000

9/27/00, ~xxxxz, fxfte15x, EN345





23.6472
0.0000

9/11/00, ~2100z, fxfte13b, preEN344
x
4.666
0.003
4.3980
0.0000
21.2051
0.0000

8/30/00, ~1730z, fxftes12, EN343
x
4.666
0.003
3.8500
0.0000
24.2234
0.0000

8/22/00, ~1830z, fxfte11c, EN343
x
4.666
0.003
4.4603
0.0000
20.9089
0.0000

8/22/00, ~1430z, fxfte11b, EN343





21.3590
0.0000

8/22/00, ~1330z, fxftes10, EN343





x
x

8/22/00, ~1330z, fxftest9, EN343





83.9825
0.0000
1.14
7/23/00, ~0730z, fxftest8, EN342





22.3170
0.0000










Xmiss 120D








7/3/00, ~0900z, fxftest7, EN339





x
x

4/25/00, ~2000z, fxftest6
x
4.7900
0.0030
4.2112
0.0000
22.7346
0.0000

3/30/00, ~2000z, fxvtest5








fxvtest4








fsvtestx








Fsvtestx

















Xmiss 234








07/10/99, xz, 
x
4.666
0.000
4.545
0.000
20.5320
0.0000





Transmissometer Calibration: S/N CST-399DR

10/17/01, 1622z, 44fxps end361




SBE 9plus CTD underwater unit
S/N
12293-0444

SBE 11plus deck unit
S/N
11P12293-0426




4.8510
Air calibration voltage from WetLabs 10/12/00 (A0)

0.0580
Blocked path voltage from WetLabs 10/12/00 (Y0)





4.8535
Current air voltage (A1)


0.0574
Current blocked path voltage (Y1)






M = 
20 * (A0 - Y0) / (A1 - Y1)


M = 
19.9871






B = 
(-M) * (Y1)


B = 
-1.1473






M and B are entered into .CON file using the SEACON program.

See Sea-Bird application note No. 7





Transmissometer Calibration: S/N CST-399DR

10/4/01, 1151z, 43ffxps pre-mid361




SBE 9plus CTD underwater unit
S/N
12293-0444

SBE 11plus deck unit
S/N
11P12293-0426




4.8510
Air calibration voltage from WetLabs 10/12/00 (A0)

0.0580
Blocked path voltage from WetLabs 10/12/00 (Y0)





4.8230
Current air voltage (A1)


0.0574
Current blocked path voltage (Y1)






M = 
20 * (A0 - Y0) / (A1 - Y1)


M = 
20.1150






B = 
(-M) * (Y1)


B = 
-1.1546






M and B are entered into .CON file using the SEACON program.

See Sea-Bird application note No. 7





Transmissometer Calibration: S/N CST-399DR

10/3/01, 1652z, 43efxps pre361




SBE 9plus CTD underwater unit
S/N
12293-0444

SBE 11plus deck unit
S/N
11P12293-0426




4.8510
Air calibration voltage from WetLabs 10/12/00 (A0)

0.0580
Blocked path voltage from WetLabs 10/12/00 (Y0)





4.8205
Current air voltage (A1)


0.0574
Current blocked path voltage (Y1)






M = 
20 * (A0 - Y0) / (A1 - Y1)


M = 
20.1255






B = 
(-M) * (Y1)


B = 
-1.1552






M and B are entered into .CON file using the SEACON program.

See Sea-Bird application note No. 7





Transmissometer Calibration: S/N CST-399DR

10/3/01, 0132z, 43dfxps pre361




SBE 9plus CTD underwater unit
S/N
12293-0444

SBE 11plus deck unit
S/N
11P12293-0426




4.8510
Air calibration voltage from WetLabs 10/12/00 (A0)

0.0580
Blocked path voltage from WetLabs 10/12/00 (Y0)





4.8107
Current air voltage (A1)


0.0562
Current blocked path voltage (Y1)






M = 
20 * (A0 - Y0) / (A1 - Y1)


M = 
20.1620






B = 
(-M) * (Y1)


B = 
-1.1331






M and B are entered into .CON file using the SEACON program.

See Sea-Bird application note No. 7





Transmissometer Calibration: S/N CST-399DR

10/1/01, 2013z, junk1 pre361




SBE 9plus CTD underwater unit
S/N
12293-0444

SBE 11plus deck unit
S/N
11P12293-0426




4.8510
Air calibration voltage from WetLabs 10/12/00 (A0)

0.0580
Blocked path voltage from WetLabs 10/12/00 (Y0)





4.2002
Current air voltage (A1)


0.0562
Current blocked path voltage (Y1)






M = 
20 * (A0 - Y0) / (A1 - Y1)


M = 
23.1322






B = 
(-M) * (Y1)


B = 
-1.3000






M and B are entered into .CON file using the SEACON program.

See Sea-Bird application note No. 7





Transmissometer Calibration: S/N CST-399DR

9/27/01, 1448z, 42fxps end360




SBE 9plus CTD underwater unit
S/N
12293-0444

SBE 11plus deck unit
S/N
11P12293-0426




4.8510
Air calibration voltage from WetLabs 10/12/00 (A0)

0.0580
Blocked path voltage from WetLabs 10/12/00 (Y0)





4.7387
Current air voltage (A1)


0.0574
Current blocked path voltage (Y1)






M = 
20 * (A0 - Y0) / (A1 - Y1)


M = 
20.4772






B = 
(-M) * (Y1)


B = 
-1.1754






M and B are entered into .CON file using the SEACON program.

See Sea-Bird application note No. 7




