Related Manuals for FTS DigiTemp
Summary of Contents for FTS DigiTemp
- Page 1 DigiTemp SDI-12 Submersible Digital Temperature Sensor User Manual 1.800.548.4264 www.ftshydrology.com 700-DigiTemp – Rev. 1.0, 24 Nov 2011...
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Page 2: Contact Information
Contact information 1065 Henry Eng Place Victoria, B.C., V9B 6B2 CANADA www.ftshydrology.com Toll-free 1-800-548-4264 Local 250-478-5561 Technical support support.ftshydrology.com... - Page 3 Revision History Date Person Description 24 Nov 2011 First released version 28 Nov 2011 Late corrections...
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Page 4: Table Of Contents
Configuration ..................................7 Calibration and maintenance ............................7 Chapter 2 SDI Commands........................ 8 Notation for SDI commands ............................9 Commands recognized by DigiTemp .........................9 General SDI commands ..............................9 SDI Data commands ............................... 10 Description of measured values ..........................12 Chapter 3 Technical specifications ....................13... -
Page 5: Chapter 1 Operation
Chapter 1 Operation Chapter contents General description ................................6 Installation .................................... 6 Connection ................................... 7 Operation ....................................7 Configuration ..................................7 Calibration and maintenance ............................7... -
Page 6: General Description
The FTS DigiTemp Submersible Temperature Sensor is simple, compact, rugged SDI-12 device that measures temperature of water or soil. The DigiTemp is extremely simple to use: it needs absolutely no configuration in most applications, and it returns measured temperatures in both degrees Celsius and degrees Fahrenheit. It is accurate to 0.2 °C over a temperature range of -5 °C to +45 °C. -
Page 7: Connection
Operation The FTS DigiTemp 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 2 SDI Commands. -
Page 8: Chapter 2 Sdi Commands
Chapter 2 SDI Commands Chapter contents Notation for SDI commands............................9 Commands recognized by DigiTemp......................... 9 General SDI commands ..............................9 2.3.1 Address Query 2.3.2 Acknowledge Active 2.3.3 Change Address 2.3.4 Send Identification SDI Data commands ............................... 10 2.4.1 Start Measurement 2.4.2... -
Page 9: Notation For Sdi Commands
Part of a command that must be filled in data parameter with an appropriate value Commands recognized by DigiTemp The table below provides a quick reference to the commands recognized by the DigiTemp. For details on these commands, see the following sections. Command name Command code Notes... -
Page 10: Sdi Data Commands
DigiTemp User Manual Chapter 2 SDI Commands 2.3.1 Address Query This command requests the address of the SDI sensor. String Note request the (single) device on this bus to report its address the device is configured for address 0 Resp only one SDI device should be connected to the bus when using this command;... - Page 11 If additional data needs to be read, then an command is sent, then and etc. etc., up to . Since the DigiTemp returns only two values aD1! aD2! aD9! (temperature in degrees C and F), only an command is ever required with it.
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Page 12: Description Of Measured Values
3 sensor SDI address Resp DigiTemp is not a continuous measurement device. No data is returned. 1RC! perform a continuous measurement read on sensor at address 3, with CRC code in data response... -
Page 13: Chapter 3 Technical Specifications
Chapter 3 Technical specifications... - Page 14 18.3 m (60 ft) Weight (sensor without cable) 25 g (0.9 oz) Weight (with 18.3 m cable) 0.9 kg(2 lb) Maximum depth 30.5 m (100 ft) Maximum suspended weight 5 kg (11 lb) Figure 3-1: FTS DigiTemp sensor dimensions page 14...
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