FTS DTS-12 Скачать руководство пользователя

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700-DTS-12 Rev. 28 - 16 Apr 2020

Page 26/28

Appendix A

TECHNICAL SPECIFICATIONS

Sensor type

Temperature: Encapsulated thermistor
Turbidity: Optical nephelometer (sidescatter)

Interface

SDI-12 v.1.3

Operating temperature range 0°C to +40°C (non-freezing)
Depth rating

30 m

Wipe time

5 s (nom.)

Accuracy – Temperature

±0.2°C

Range – Turbidity

0 – 1600 NTU

Resolution – Turbidity

0.01 NTU

Accuracy – Turbidity (at 25 C) 0 – 399.99 NTU: ± 2% of reading

400 – 1600 NTU: ±4% of reading
Zero Offset: ± 0.2 NTU

Measurement time

~ 10–20 s, depending on measurement mode

Power supply voltage

+12 V DC (nominal range: 9.6 V – 16 V)

Standby current

0.35 mA

Active current

50 mA

Wiping motor current

200 mA

Weight

604g

Length

30.48 cm

Diameter

5.08 cm

Содержание DTS-12

Страница 1: ...EXTREME ENVIRONMENTS EXTREMELY RELIABLE DTS 12 SDI Turbidity Sensor User Manual 1 800 548 4264 www ftsinc com 700 DTS 12 Rev 28 16 Apr 2020...

Страница 2: ...ormation Canadian Headquarters 1065 Henry Eng Place Victoria BC V9B 6B2 Canada www ftsinc com Toll free 1 800 548 4264 Local 250 478 5561 Technical support portal http support ftsinc com Email service...

Страница 3: ...aintenance 10 1 10 1 Routine Cleaning 10 1 10 2 Changing the Wiper Blade 10 1 10 3 Replacing the Wiper Blade Assembly 12 1 11 Replacement Parts 12 Chapter 2 QUICK START GUIDE 13 2 1 Detecting the DTS...

Страница 4: ...COMMANDS FOR DTS 12 ver 19 or earlier 23 3 3 1 SDI 12 Measurement Commands 24 3 3 2 Extended C Commands ver 19 and earlier 25 Appendix A TECHNICAL SPECIFICATIONS 26 Appendix B ORDERING AND UPGRADE INF...

Страница 5: ...t conditions are minimized The measurement range of the DTS 12 is 0 to 1600 NTU making it ideal for stream and river applications The DTS 12 has a built in wiper that is useful for reducing the effect...

Страница 6: ...haded site will eliminate the possibility of sunlight affecting the DTS 12 turbidity readings however if a shaded site is not available if possible mount a shade to eliminate sunlight effects on the D...

Страница 7: ...to this is when deploying the sensor into shallow water where the bottom or sides of the stream bed are highly reflective For these applications be sure to mount the sensor so that the optic face avo...

Страница 8: ...inal strip The SDI cable may be optionally terminated with a 3 pin military connector for connection to a similar connector on the Axiom Datalogger Cable wire colour coding and FTS standard connector...

Страница 9: ...e found in Annex B Note that the process for connecting the original cable is different than the V2 refer to sections 1 6 1 and 1 6 2 Original V2 1 6 1 Cable Connection and Disconnection Original mode...

Страница 10: ...connection Aggressive twisting can also result in bending and breaking prongs DO Use clean dielectric grease to lubricate the DTS 12 End Cap Keep prongs and receptacles free from grease Keep the End C...

Страница 11: ...n the End Cap must be released from its mating groove on the Cable Connector Figure 1 8 Disconnecting the cable WARNING DO NOT twist and bend the connection when connecting or disconnecting the cable...

Страница 12: ...w the orange sleeve and slide it off 2 Pull the protective cap off to expose the DTS 12 pins Note the silver alignment pin which is smaller 3 Spread di electric grease on the pins if necessary ensurin...

Страница 13: ...amples per second and 6 Performing statistical calculations as required After about 10 or 20 seconds this time is dependent on the type of measurement requested the sensor will respond with a service...

Страница 14: ...hbrush than the one used to clean the DTS 12 Loctite 242 Activator 7649 to reduce cure time prior to returning DTS 12 to the water 1 10 1 Routine Cleaning If fouling is detected and the wiper blade is...

Страница 15: ...educe unnecessary stress on the wiper drive system hold the wiper arm while turning the thumbscrew counter clockwise Wiper arm in parked position Figure 1 10 Wiper Arm Assembly 2 The wiper armature in...

Страница 16: ...ith Activator 7649 24 hours for Loctite only before returning the DTS 12 to the water 1 10 3 Replacing the Wiper Blade Assembly Complete replacement wiper arm assemblies may also be purchased from FTS...

Страница 17: ...the orange SDI ports In order for the sensor to start providing data to the Datalogger it must be 1 Detected 2 Mapped 3 Configured and 4 Assigned logging 2 1 Detecting the DTS 12 1 Select the SDI 12...

Страница 18: ...Sensor 4 If any of the defined or detected fields remain red then mapping must be conducted 2 2 Mapping the Sensor 1 Scroll down the Detected column to view the detected DTS 12 which will be defined a...

Страница 19: ...he Datalogger s home page select the Sensors icon Figure 2 7 Home page 2 The next screen will display the icons of the sensors which have been defined Note that if the Datalogger has already been conf...

Страница 20: ...ed from Station Advanced Edit In line Logging the In Line Logging screen will be displayed Note that if working from a Configuration file Logging Intervals have probably already been established ii If...

Страница 21: ...able Logging and if you want these values to be displayed in Current Conditions check the Current Condition box Figure 2 11 In line Logging Setup 2 Select OK Return to the Home Page 2 5 Setting Up Log...

Страница 22: ...le it will be displayed here in blue Figure 2 13 Logging Intervals 3 To add a logging interval press the Add icon then the Edit icon Set the desired logging interval and offset times NOTE Logging inte...

Страница 23: ...ndard SDI 12 Commands and protocols 5 which makes it compatible for use with DCP s or transmitters Note the following the a in each command should be replaced with the sensor address number every comm...

Страница 24: ...measurement on the addressed sensor The format of the response to a Measurement command is atttn in which a the sensor address ttt the specified time in seconds until the sensor will have the measure...

Страница 25: ...ommands 3 2 SDI 12 Commands for DTS 12 ver 20 or later This section lists the SDI 12 commands recognized by the DTS 12 ver 20 or later For DTS 12 version 19 or earlier refer to Section 3 3 IMPORTANT T...

Страница 26: ...Variance Median BES Min of last 100 readings see section 1 6 2 Max of last 100 readings see section 1 6 2 Temperature in C Wipe Status aM3 aMC3 aC3 aCC3 No wipe before measurement Single turbidity mea...

Страница 27: ...X se mc m Returns sensor address Enables sensor to report median turbidity Enable Mean average M command aX se mc a Returns sensor address Enables sensor to report mean turbidity Report M command stat...

Страница 28: ...mperature Mean Turbidity Variance of the Mean Version 10 and earlier sensors cannot be set to mean mode aM1 No wipe before measurement Mean Variance Median BES Minimum of last 100 readings see section...

Страница 29: ...0 unlock Response 0 Sensor responds with the address Lock Command aL Example 0L DTS12 at sensor address 0 lock Response 0 Sensor responds with the address Command Function Command String Notes Enable...

Страница 30: ...epth rating 30 m Wipe time 5 s nom Accuracy Temperature 0 2 C Range Turbidity 0 1600 NTU Resolution Turbidity 0 01 NTU Accuracy Turbidity at 25 C 0 399 99 NTU 2 of reading 400 1600 NTU 4 of reading Ze...

Страница 31: ...will require a V2 end cap and V2 quick connect cable Please order a cable and end cap bundle from Table 1 row 3 FTS recommends returning the DTS 12 to our service department for end cap installation a...

Страница 32: ...etting enabled deleted Disable low temp wipe cutoff 23 28 Oct 2015 New format Added Quick Start Guide Corrected How to description of Connector cable 24 18 Aug 2016 Added sun spike considerations 25 2...

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