Summary of Contents for FTS SDI-PT-KEL
- Page 1 EXTREME ENVIRONMENTS. EXTREMELY SIMPLE. SDI-PT-KEL SDI-12 Submersible Pressure Transducer User Manual For SDI-PT-SS-KEL and SDI-PT-TT-KEL 1.800.548.4264 | www.ftsinc.com 700-SDI-PT-KEL-Man Rev 4 05 Feb 2020...
- Page 2 Contact Information 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@ftsinc.com...
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Page 3: Table Of Contents
HANDLING THE CABLE AND SENSOR ......................... 4 SITE SELECTION ................................... 5 INSTALLING THE SENSOR ..............................5 2.4.1 INSTALLATION WITH AN FTS AXIOM DATALOGGER ................. 5 GENERAL INFORMATION ..............................6 NOTATION FOR SDI-12 COMMANDS .......................... 6 ERROR DISPLAYS ................................7 MEASUREMENT COMMANDS ............................8 3.4.1... -
Page 4: General Description
The SDI-PT-KEL can be supplied with either a stainless steel (SDI-PT-SS-KEL) or a titanium (SDI-PT-TT- KEL) case and with either a bayonet connector for use with FTS Axiom Dataloggers or with flying leads for use with other data loggers. -
Page 5: Wiring
1.3 OPERATION The SDI-PT-KEL is an SDI-12 device and is powered by the +12 V DC power supply on the SDI-12 bus. For details on the SDI commands used by the sensor, see Chapter 5 - SDI Commands. -
Page 6: Cleaning A Clogged Nose Cap
Then wipe dry with a soft cloth. WARNING! Under no circumstances should the membrane or pressure input port be probed with any object. Damage to the sensing membrane is permanent and, in most cases, requires repair or replacement. 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 3/19... -
Page 7: Prior To Installation
If using a compression fitting to secure the cable as it enters a junction box, do not over tighten the fitting Do not drop the SDI-PT-KEL, allow it to strike a hard surface forcefully, or allow it to “free •... -
Page 8: Site Selection
2.3 SITE SELECTION FTS recommends that the SDI-PT-KEL be installed in a stilling well or through a protective, rigid conduit to which it is attached using a conduit fitting. Ideally, there should be a solid structure (ie: bridge footing or dam face) to which the conduit can be attached. -
Page 9: General Information
Significant noise levels can In accordance with “SDI-12 A Serial-Digital Interface Standard for Microprocessor-Based Sensors ver 1.3”. Refer to: http://www.sdi-12.org Carriage Return Line Feed Cyclic Redundancy Check https://www.kelleramerica.com/manuals-and-software/manuals/communication_protocol_SDI-12.pdf 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 6/19... -
Page 10: Error Displays
Underflow (readings -10% of the specified range) Temperature +9999999 Overflow -9999999 Underflow Damaged or unreadable sensor value +9999999 Cyclic Redundancy Check – an error detecting code used to detect accidental changes to raw data. 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 7/19... -
Page 11: Measurement Commands
Additionally, it is possible to read out the pressure range over the ‘M1’-command as well as the temperature range over the ‘M2’- command. These information values are available directly after the command and therefore do not generate a service request. 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 8/19... -
Page 12: Concurrent Measurement Commands
The response to an R-command is always a<CR><LF>. The values returned in response to an aDO! command after the R-command are as follows: CONTINUOUS MEASUREMENT COMMANDS R-Command aDO! Response Values Returned aR0! a±uu.uu±uu.uu±uu.uu±uu.uu Mean pressure aRC0! Minimum pressure Maximum pressure Temperature 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 9/19... -
Page 13: Send Data
General SDI-12 commands are used for housekeeping issues such as device address configuration, device identification and confirmation of device communications. The SDI-PT-KEL supports the following measurement commands. The formats and responses will be explained in detail in the following sections:... -
Page 14: Acknowledge Active
SDI device should be connected to the bus when using this command; problems arise when several devices respond on the same bus. STRING NOTE Request the (single) device on this bus to report its address Resp The address of the device 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 11/19... -
Page 15: Start Verification
2) the pressure/level units (psig, KPa, bar, feet, metre, inches, or millimetre); and 3) the sample number (and integration time) for each measurement. To determine the sensor configuration, use the aV! command (see section 3.5.5). ADC = analog to digital conversion 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 12/19... -
Page 16: Pressure
Table 3-1 EXTENDED SDI-12 COMMANDS This table lists the extended SDI-12 commands used by the SDI-PT-KEL (Keller Acculevel). Detailed information and instructions follow the table for the most commonly used commands which are identified in bold. Detailed information on non-bolded X-commands can be found in the Keller document, “SDI-12 communication Protocol... -
Page 17: Temperature
Factory Mbar 1000 mH2O,mWC 100/g (10.1972) 142.2334/g (14.5038) ftWC, ftH2O 328.084/g (33.4553) inWC, inH2O 3937.008/g (401.463) 3.6.2 Temperature The value is scaled in the following way: value = value * gain + offset 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 14/19... - Page 18 Top of Bridge – method whereby temperature is derived using a Wheatstone bridge 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 15/19...
- Page 19 The ring buffer has a depth of 8 pressure values. If an aR0!- command is used, the average value of the last 8 pressure values taken over the last 96 seconds is given out. 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 16/19...
- Page 20 4 - The Submersible Pressure Transducer SDI can communicate in either SDI-12 or RS485 at any one time. By default, the Submersible Pressure Transmitter SDI will ship in SDI-12 mode. A USB Dongle is required to change to RS485 mode. 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020...
- Page 21 : 0 to 40C (32 to 104°F) 6 - Optional compensated temperature range applies to transducers built to USGS OSW accuracy specification Wetted Materials 316L Stainless Steel Titanium optional Polyamide Fluorocarbon Cable Hytrel CERTIFICATIONS EN50081-1, EN50082-2 700-SDI-PT-KEL-Man Rev 4 06 Jan 2020 18/19...
- Page 22 Date Description 27 Sep 2018 Original 2 Oct 2018 Minor formatting Added use of Stage sensor extension with an Axiom. SDI-PT-KEL 22 Oct 2018 used throughout. Removed references to conductivity measurements as they are 05 Feb Jan 2020 not supported(SH-98)
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