Valeport fastCTD Profiler Operating Manual Download Page 8 | Manualshive

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Valeport fastCTD Profiler Operating Manual Download Page 8

© 2020 Valeport Ltd

0660881c - fastCTD Profiler

Page 8

2.4.4. Rhodamine

Performance

Excitation:

520 nm

Detection:

650 nm

Dynamic Range:

0-1000 ppb
2 gain settings, 0-50, 0-1000
software controlled

Instrument
Detection limit:

<0.01 ppb*

Actual
Detection limit:

0.06 ppb**

Linearity:

0.99 R2

Response Time:

0.03 to 2 s

Output Rate:

0.5 Hz to 32 Hz (free running) - software controlled

* 3x SD in RO water
** Calibrated against Rhodamine solution

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Summary of Contents for fastCTD Profiler

Page 1: ... any material form either wholly or in part and the contents of this document and any method or technique available therefrom must not be disclosed to any other person whatsoever without the prior written consent of the Company Valeport Limited St Peters Quay Totnes Devon TQ9 5EW United Kingdom As part of our policy of continuous development we reserve the right to alter without prior notice all s...

Page 2: ...n Range 10 2 4 6 Field Testing of the Fluorometer 11 3 Data Acquisition 11 3 1 Sampling Modes 12 4 Physical Characteristics 13 4 1 Dimensions 14 5 Communications 14 5 1 Data Telegrams 15 5 1 1 Recorded File Format 16 5 2 Command Codes 19 6 Operation 19 6 1 Switch Cap Logger Pack Operation 19 6 2 Bluetooth Logger Pack Operation 20 6 3 Cabled Operation 21 6 4 Deployment Frame 22 7 Memory 23 8 Electr...

Page 3: ...Table of Contents Page 3 2020 Valeport Ltd 29 10 Ordering Information 30 11 EU Declaration of Conformity CE Marking 31 11 1 CE Marking Standard Equipment 32 11 2 CE Marking Bluetooth Equipment ...

Page 4: ...pressure sensor synchronously sampling at up to 32Hz deliver the highest quality profiles in a lightweight and robust package Add in an integral Fluorometer based on Valeport s new Hyperion range an optional Bluetooth communications module and the fastCTD Profiler offers a unique and versatile solution If the equipment is used in a manner not specified by the manufacturer the protection provided b...

Page 5: ... The option for a SubConn connector for wired comms or Bluetooth connectivity options The Fast Profiler is available with either Titanium or Acetal housing material 2 1 Conductivity Range 0 80 mS cm Resolution 0 001mS cm Accuracy 0 01mS cm Response Time 30 milliseconds 2 2 Temperature Fast Response Thermistor Range 5 C to 35 C Resolution 0 001 C Accuracy 0 01 C Response Time 50 milliseconds 2 3 Pr...

Page 6: ...ouling For heavy fouling use a solvent e g Isopropyl alcohol and a soft bristled brush Always rinse thoroughly after every use 2 4 1 Safety Statement The fluorometer installed in the fastCTD is classified as Risk Group 1 under standard EN62471 As the type is classified as Risk Group 1 solely due to radiation in the visible band a hazard label is not required However the LED used is in excess of th...

Page 7: ...ut Rate 0 5 Hz to 32 Hz free running software controlled 3x SD in RO water calibrated against Chlorophyll a in acetone solution 2 4 3 Fluorescein Performance Excitation 470 nm Detection 545 nm Dynamic Range 0 500 ppb 2 gain settings 0 25 and 0 500 software controlled Instrument Detection limit 0 01 ppb Actual Detection limit 0 03 ppb Linearity 0 99 R2 Response Time 0 03 to 2 sec Output Rate 0 5 Hz...

Page 8: ... 650 nm Dynamic Range 0 1000 ppb 2 gain settings 0 50 0 1000 software controlled Instrument Detection limit 0 01 ppb Actual Detection limit 0 06 ppb Linearity 0 99 R2 Response Time 0 03 to 2 s Output Rate 0 5 Hz to 32 Hz free running software controlled 3x SD in RO water Calibrated against Rhodamine solution ...

Page 9: ...0 µg l G1 for chlorophyll a At higher concentrations unlike analogue devices which generally flatline at full scale deflection e g FSD 5V the Hyperion will continue to output a signal which increases with concentration i e meaningful data though which is no longer guaranteed to be linear At very high fluorophore concentrations signal quenching can occur whereby the instrument output does not incre...

Page 10: ...er signal levels Photo bleaching is dependent on exposure intensity of light and duration and wavelength UV is more damaging than longer wavelengths Use of more robust fluorophores is recommended to avoid photo bleaching Reverse Osmosis De Ionised 2 4 6 Field Testing of the Fluorometer Set the instrument up as required using DataLOG x2 There will be a short delay after starting the instrument as t...

Page 11: ...dard applications Data may be sampled at up to 32Hz for all sensors making it suitable for rapid profiling or for continuous measurement at a fixed point 3 1 Sampling Modes Three specific sampling modes are available Continuous Regular and synchronous data collection from all sensors up to 32Hz Profile Data is logged as the instrument descends or rises by a user defined pressure difference through...

Page 12: ...6 deployment cage Depth Rating 500m Acetal 6000m Titanium NB Maximum deployment depth may be limited by pressure transducer range Instrument Size Main Housing 48mmØ Sensor Body 54mmØ Length 370mm including connector 496mm with Bluetooth Pack Deployment Cage 110mmØ x 550mm long Weight in air 1 6kg Acetal 3 9kg including frame 2 6kg Titanium 4 9kg including frame Shipping 51 x 42 x 27cm 10kg ...

Page 13: ... 2020 Valeport Ltd Physical Characteristics Page 13 4 1 Dimensions ...

Page 14: ...irect to serial port RS485 Up to 1000m cable Baud Rate 38400 460800 Protocol 8 data bits 1 stop bit No parity No flow control 5 1 Data Telegrams Real Time Data is output as columns of comma separated ASCII data Data output is Ticks Units 1 800s Counter from start of file measured in 1 800th s of a second To convert to milliseconds multiply by 800 Pressure Units dBar Depth or Pressure depending on ...

Page 15: ...0 pressure_trip_start 9 000000 pressure_trip_stop 2 000000 pressure_tare 10 114415 pressure_tare_mode user_output_stats_ID 1 1 fluoro_gain 4 fluoro_sync_measure_duration 1 000000 fluoro_high_lightlevel 235 fluoro_cal_coefficients 1 000000e 00 0 000000e 00 0 000000e 00 columns time pressure temperature conductivity fluorometery units 1 800sec dbar deg C mS cm ug l 1729 00 001 23 245 0 003 305 925 2...

Page 16: ...n of the Stop command All commands are echoed back by the instrument as they are typed Stop Command The instrument can be stopped at any time by sending the character The instrument returns a and waits for a further command Run Commands R1 Collects rapid profile at 1 Hz R2 Collects rapid profile at 2 Hz R4 Collects rapid profile at 4 Hz R8 Collects rapid profile at 8 Hz R16 Collects rapid profile ...

Page 17: ...pth 825 Report Bluetooth Off Depth 822 NN N Bluetooth on Depth 823 Report Bluetooth On Depth Fluorometer Power Saving 434 0 Fluorometer Power Saving mode off 434 1 Fluorometer Power Saving mode on 436 NN N Fluorometer off depth Pressure Units 018 0 Pressure is output in dBar 018 1 Pressure is output in metres calculated using simplified UNESCO formula 018 2 Pressure is output in feet calculated us...

Page 18: ...tude information Instrument Information 032 Instrument responds with its software version number 034 Instrument responds with its serial number 138 Instrument responds with date of last calibration Logger Control DIR Outputs file table list of data files CLR Clears memory use with caution OCLK Reads Current Date Time ICLK DD MM CC YY HH MM SS Sets Date Time e g ICLK 03 02 20 08 14 30 00 sets clock...

Page 19: ...etooth miniLogger is rated to 2000m and is secured using the same lock ring as used by the standard logger pack On first installation it will require 2 minutes to initialise during this period the magnetic switch key should be removed After initialisation the switch key can be used to turn the instrument on and off in the same manner as the SubConn switch cap is used on the standard logger pack Ev...

Page 20: ... communicated with as though connected with a cable When using DataLog Express the Bluetooth option should be checked For use with hyper terminal the connection is 57600 baud 8 N 1 For use with DataLog Express select the Bluetooth Comms option which fixes the baud rate to 57600 baud 8 N 1 6 3 Cabled Operation If the fastCTD is supplied with a standard logger pack it will be also supplied with a 3m...

Page 21: ...d be operated while in the frame and lined up as it was when calibrated If removed from the frame the fastCTD should be returned to it before deployment There is a central slot in the fixed clamp of the frame which should be aligned with the spot on the tube as shown in the picture above Align as described and tighten with an Allen key ...

Page 22: ...0660881c fastCTD Profiler Page 22 7 Memory The fastCTD is fitted with a solid state non volatile Flash memory capable of storing over 10 million lines of data equivalent to 10 000 profiles to 500m at 1m profile resolution ...

Page 23: ... cell 1 5v alkaline or 3 6v lithium External 9 28V DC Power 250mW Battery Life at 32Hz without an Optical Sensor approx 55 hours continuous operation alkaline cell with SubConn logger pack at 32Hz with an Optical Sensor approx 9 hours continuous operation alkaline cell with SubConn logger pack Connector SubConn MCBH10F if fitted ...

Page 24: ...f storage with no battery fitted then please use DataLog X2 or the codes defined to reset the clock Disconnect any external connections including the switch plug from the instrument s SubConn connector Loosen the Acetal lock ring at the top of the instrument housing this should be achievable by hand Pull the logger pack from the top of the instrument Replace the single D cell in the instrument not...

Page 25: ...he female contact and damage to the O ring seals When using bulkhead connectors ensure that there are no angular loads as this destroys the connector Connectors must be greased with Molykote 44 Medium before every mating A layer of grease corresponding to minimum 1 10 of socket depth should be applied to the female connector The inner edge of all sockets should be completely covered and a thin tra...

Page 26: ...From PC 9 RS232 Ground 10 Internal Battery Enable Link to RS232 Ground Mode Pins Pins 5 and 6 on the output connector are designated as Mode Pins By grounding a combination of these pins the instrument can be automatically set to adjust its output protocol to suit different communications options The pins should be grounded closed via a 1000W resistor Output Mode Mode Pin 1 Mode Pin 2 Notes RS232 ...

Page 27: ...9 NC 10 Link to Pin 1 Break Out Cable 10 Way SubConn MCIL 10M DLSA M Function 4mm Banana Plugs 9 Way D Type 1 Power Ground BLACK 2 Power V RED 3 RS422 TXA N C 4 RS422 TXB N C 5 RS422 RXA N C 6 RS422 RXB N C 7 RS232 Tx To PC 2 8 RS232 Rx From PC 3 9 RS232 Ground 5 link to 1 6 8 9 Shell 10 Internal Battery Enable Link to RS232 Ground ...

Page 28: ...660881c fastCTD Profiler Page 28 9 Software The fastCTD Profiler is supplied with DataLog x2 Windows based PC software for instrument setup data extraction and display please see separate manual DataLog x2 is licence free ...

Page 29: ...luetooth 0660035 T1 Ff BT XX as above with xx Fluorometer Titanium Housing 0660036 T1 XX fastCTD Profiler 6000m rated with connector 0660036 T1 Ff XX as above with Fluorometer 0660036 T1 BT XX fastCTD Profiler 2000m rated with Bluetooth 0660036 T1 Ff BT XX as above with xx Fluorometer Where T1 high performance thermistor Ff with optional Fluorometer FC Chlorophyll a FF Fluorescein FR Rhodamine BT ...

Page 30: ...rised by Valeport Ltd could void the CE compliance of the product and negate your authority to operate it This product has demonstrated CE compliance under conditions that include the use of shielded cables It is important that you use shielded cables compliant with the product s conformance to protect from potential damage and reduce the possibility of interference to other electronic devices ...

Page 31: ... 2020 Valeport Ltd EU Declaration of Conformity CE Marking Page 31 11 1 CE Marking Standard Equipment ...

Page 32: ... 2020 Valeport Ltd 0660881c fastCTD Profiler Page 32 11 2 CE Marking Bluetooth Equipment ...

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