In-situ Aqua TROLL 500 Operator's Manual
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In-situ Aqua TROLL 500 Operator's Manual

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Aqua TROLL 500
Operator's Manual
Information subject to change without notice. In-Situ, In-Situ logo, Baro Merge, BaroTROLL, HERMIT, HydroVu™, iSitu,
Pocket-Situ, RDO, RuggedCable, RuggedReader, SmarTROLL™, TROLL, VuSitu, and Win-Situ are trademarks or registered
trademarks of In-Situ Inc.
2016. All rights reserved. This product may be covered by patents identified at www.in-situ.com/
©
patents
2022-05-12 | 0050702

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  • Page 1 Aqua TROLL 500 Operator's Manual Information subject to change without notice. In-Situ, In-Situ logo, Baro Merge, BaroTROLL, HERMIT, HydroVu™, iSitu, Pocket-Situ, RDO, RuggedCable, RuggedReader, SmarTROLL™, TROLL, VuSitu, and Win-Situ are trademarks or registered trademarks of In-Situ Inc. 2016. All rights reserved. This product may be covered by patents identified at www.in-situ.com/ ©...

  • Page 2: Table Of Contents

    RDO Cap Chemical Incompatibility ...........................14 Conductivity/Temperature Sensor ............................14 Ammonium, Chloride, and Nitrate Interferent Concentrations ................15 Instrument Components ................................24 Required Accessories ..................................25 Communication Device................................25 Cable ......................................25 Sensors ......................................25 Wireless TROLL Com ................................25 Rugged Twist-Lock Cable ..............................25 Software .......................................26 Telemetry .....................................26 System Components ...................................27 1-970-498-1500 www.in-situ.com...
  • Page 3 Base Unit Components ................................27 Spot Checking Configuration ..............................31 Wireless TROLL Com ................................31 Rugged Cable ....................................31 Aqua TROLL 500 ..................................31 Getting Started (Spot-Checking) ............................32 Unpack instrument..................................32 Install RDO cap and pH/ORP sensor..........................32 Download and install software............................32 Connect instrument to TROLL Com...........................32 Calibrate.
  • Page 4 Navigating the Win-Situ Interface ............................57 Home Tab ....................................57 Sensor Tab ....................................57 Device Setup Tab ..................................58 Connecting the Aqua TROLL 500 to a PLC or Data Logger ...................59 Modbus PLC Interface ................................62 Care and Maintenance ................................65 Maintenance Schedule ................................65 User-Serviceable Parts ................................65 Storage ......................................65...
  • Page 5 Cleaning and Storing the Conductivity Sensor ......................69 Cleaning and Storing the Turbidity Sensor ........................70 More Information ..................................71 Appendix ......................................73 Appendix A: Parameter Discovery ............................73 Appendix B: Parameter Numbers and Locations ......................74 Appendix C: Unit IDs ................................77 Appendix D: Register Data Formats ...........................80 1-970-498-1500 www.in-situ.com...

  • Page 6: Introduction

    Your equipment was carefully inspected before shipping. Check the equipment for any physical damage sustained during shipment. Notify In-Situ and file a claim with the carrier if there is any such damage; do not attempt to deploy or operate the instrument.

  • Page 7: Obtaining Repair Service

    If you suspect your system is malfunctioning and repair is needed, you can help assure efficient servicing by following these guidelines: 1 Call or email In-Situ Technical Support. Have the product model and serial number available. 2 Be prepared to describe the problem, including how the product was used and the conditions noted at the time of the malfunction.

  • Page 8: Guidelines For Cleaning Returned Equipment

    Representatives that the equipment presents a potential health or biological hazard, we reserve the right to withhold service until proper certification is obtained. Decontamination & Cleaning Statement Company Name Phone Address City State Instrument Type Serial Number Contaminant(s) if known) Decontamination procedure(s) used Cleaning verified by Title Date 1-970-498-1500 www.in-situ.com...

  • Page 9: Safety

    500. If you have questions, contact In-Situ Technical Support for assistance. • Do not use the Aqua TROLL 500 in any manner not specified by the manufacturer. • Do not submerge the Wireless TROLL Com or your mobile device in liquid.

  • Page 10: Instrument Specifications

    Android: VuSitu through Google Play Software Windows: Win-Situ 5 Data Services: HydroVu Interface Android 4.4, requires BlueTooth 2.0 Certifications CE, FCC, WEEE, RoHS Compliant External Power Source Requirements Current from an external power source must not exceed 4 amps. 1-970-498-1500 www.in-situ.com...

  • Page 11: Instrument Dimensions

    Instrument Dimensions 18.125” 2.04” 16.35” 1.85” 1-970-498-1500 www.in-situ.com...

  • Page 12: Sensor Specifications

    User calibration only if Crude OIl 2 years or greater - 5 to 50° C needed * Expected lifetime includes total shelf life and deployment lifetime. ** Lifetime and calibration frequency depend on site and storage conditions. 1-970-498-1500 www.in-situ.com...

  • Page 13: Solutions

    12 months 12 months from expiration date Hours, check before use for Deionized Water 24 months calibration Ammonium 12 months 3 to 6 months Chloride 12 months 3 to 6 months Nitrate 12 months 3 to 6 months 1-970-498-1500 www.in-situ.com...

  • Page 14: Potential Interferents

    Gaseous chlorine • Do not use in organic solvents (e.g., acetone, chloroform, methylene chloride, etc.), which may destroy the sensing element Conductivity/Temperature Sensor Soaking the Conductivity/Temperature sensor in vinegar for longer than one hour can cause serious damage. 1-970-498-1500 www.in-situ.com...

  • Page 15: Ammonium, Chloride, And Nitrate Interferent Concentrations

    The table below lists concentrations of possible interfering ions that cause 10% error at various levels (in ppm) of N0 100 ppm NO 10 ppm NO 1 ppm NO Perchlorate (CIO 7 x 10-2 7 x 10-3 7 x 10-4 Iodide (I 0.04 Chlorate (CIO Cyanide (CN Bromide (Br Nitrite (NO Hydrogen Sulfide (HS 1-970-498-1500 www.in-situ.com...
  • Page 16 Total dissolved solids: ppt, ppm Resistivity: Ohms- Density: g/cm3 Methodology Std. Methods 2510, EPA 120.1 *Accuracy at calibration points. For greatest accuracy over instrument life, keep the conductivity cell submersed in water for 24-48 hours prior to calibration and deployment. 1-970-498-1500 www.in-situ.com...
  • Page 17 Removable with replaceable RDO-X Cap RDO-X Cap: T63<15s, T90<45s, T95<60s Response Time Fast Cap: T63<3s, T90<30s, T95<45s Units of Measure mg/L, % saturation, ppm EPA-approved In-Situ Methods (under the Alternate Methodology Test Procedure process): 1002-8-2009, 1003-8-2009, 1004-8-2009 Level, Depth, Pressure Sensor Specifications Accuracy Typical ±0.1% full scale (FS)
  • Page 18 Units of Measure pH units Methodology Std. Methods 4500-H+, EPA 150.2 *At thermal equilibrium. Temperature Sensor Specifications Accuracy ±0.1° C Range -5 to 50° C (23 to 122° F) Resolution 0.01° C Sensor Type Replaceable Response Time** T63<2s, T90<15s, T95<30s 1-970-498-1500 www.in-situ.com...
  • Page 19 25 m, 30 PSI Range 0-10,000 mg/L as N Resolution 0.01 mg/L Sensor Type Removable Response Time* T90 < 10sec, T95 < 30sec Units of Measure mg/L, ppm, mV Methodology Std. Methods 4500-NH D, EPA 350.3 *Between calibration points. 1-970-498-1500 www.in-situ.com...
  • Page 20 T90 < 10sec, T95 < 30sec Units of Measure mg/L, ppm, mV Methodology Std. Methods 4500-NO3D * Between calibration points. Chlorophyll a Sensor Specifications R2 > 0.999 for serial dilutions of 0-1000 µg/L Chl a in Linearity MeOH Max Depth 200 m 1-970-498-1500 www.in-situ.com...
  • Page 21 BGA-PE Sensor Specifications R2 > 0.999 for serial dilutions of PE standards from Linearity 0-1000 µg/L PE Max Depth 200 m 0-100 RFU Range 0-1000 µg/L PE .001 RFU Resolution .01 µg/L PE Sensor Type Removable Response Time* T63<1s, T90<1s, T95<1s 1-970-498-1500 www.in-situ.com...
  • Page 22 200 m 0-100 RFU Range 0-500 µg/L .001 RFU Resolution .005 µg/L Sensor Type Removable Response Time* T63<1s, T90<1s, T95<1s Concentration: µg/L Units of Measure Fluorescence: RFU Excitation Wavelength (nominal) 462 nm Detection Wavelength 525 nm to 570 nm 1-970-498-1500 www.in-situ.com...
  • Page 23 1 year - pH/ORP, chloride ISE, accessories 90 Days - Nitrate and Ammonium ISE sensors Other: see warranty policy (www.in-situ.com/warranty) Specifications are subject to change without notice. Android is a trademark of Google, Inc. Bluetooth is a trademark of Bluetooth SIG, Inc. Delrin and Tefzel Notes are trademarks of E.I.

  • Page 24: Instrument Components

    3 Wiper motor 4 Sensors (4) 5 Restrictor Exploded View 2 6 End Cap 7 Bumper 8 Bulkhead connector End View Sensor Port Detail Flat edge of connector aligns Sensor with flat edge of Wiper motor ports Rugged Cable. port 1-970-498-1500 www.in-situ.com...

  • Page 25: Required Accessories

    Required Accessories Communication Device You will need a communication device to calibrate, configure and deploy the Aqua TROLL 500. Wireless TROLL Com Provides power to the Aqua TROLL 500. Configure and deploy with a Bluetooth-endabled Android device. Connects the Aqua TROLL 500 to a PC via USB.

  • Page 26: Software

    Software Win-Situ 5 Software VuSitu Mobile App for PC Calibrate, configure and deploy the Aqua TROLL 500 from a Calibrate, configure and Bluetooth-enabled Android device. take readings with the Aqua TROLL 500 from a Download it from www.in-situ.com. Get it at play.google.com.

  • Page 27: System Components

    0096070 Sensor Communications Wireless TROLL Com for Android 0031240 Mobile Device for Android 0064860 TROLL Com RS-232 Cable Connect 0056140 TROLL Com USB Cable Connect 0052500 TROLL Com RS-232 Direct Connect 0056150 TROLL Com USB Direct Connect 0052510 1-970-498-1500 www.in-situ.com...
  • Page 28 355 ppm, 3545 ppm, DI water) Nitrate Calibration Kit (includes 1 liter each: 14 ppm, 0032130 140 ppm, 1400 ppm, DI water) Fluorescein WT Solid State RFU Calibrator 0104290 FDOM Solid State RFU Calibrator 0104300 Crude OIl Solid State RFU Calibrator 0104310 1-970-498-1500 www.in-situ.com...
  • Page 29 Low-Flow Complete Low-Flow Kit (includes flow cell with 0079790 fittings and stake, base plate, documentation) Flow Cell Kit 0078990 Flow Cell Base Plate 0079810 Fittings Kit 0032130 Pelican Case with Foam Insert 0066860 1-970-498-1500 www.in-situ.com...
  • Page 30 SDI-12, analog (4-20 mA), or Modbus communication protocol. RuggedCable System with female to female connectors Stripped-and-tinned RuggedCable System with female connector Stripped-and-tinned RuggedCable System with male connector (short length that converts a cable with a twist-lock connector to a stripped- and-tinned cable) 1-970-498-1500 www.in-situ.com...

  • Page 31: Spot Checking Configuration

    Spot Checking Configuration Take live readings with an Aqua TROLL 500, Rugged Cable, Wireless TROLL Com and a Bluetooth-enabled Android device. Wireless TROLL Com Powers the Aqua TROLL 500 during live readings. Communicates with the VuSitu mobile app via Bluetooth.

  • Page 32: Getting Started (Spot-Checking)

    Getting Started (Spot-Checking) Follow the steps below to set up and deploy the Aqua TROLL 500 when you intend to take live readings. See the next page for information about setting up and using the instrument in remote-monitoring applications. Unpack instrument.
  • Page 33 Unscrew end cap from restrictor. Flip restrictor and install with Flip restrictor and replace end cap restrictor holes near center of before deployment. instrument for calibration. When using a conductivity sensor and turbidity sensor together, install them side-by-side to maximize performance. 1-970-498-1500 www.in-situ.com...
  • Page 34 Push grease to O-ring. connector. and twist until click. Connect the communication device. If desiccant is present, Align TROLL Com remove it from cable. connector with cable end. Push and twist until click. 1-970-498-1500 www.in-situ.com...
  • Page 35 In-Situ Connect. devices. An iOS device To connect to another automatically connects instrument, press to the closest In-Situ Disconnect and then Choose or Add Device. instrument. VuSitu displays a list of available connections. VuSitu displays the Tap the serial number...

  • Page 36: Connecting The Troll Com

    Connecting the TROLL Com You must connect the Aqua TROLL 500 to a Wireless TROLL Com to calibrate the instrument, configure or take live readings. Click Click Attach Rugged Cable to the Attach opposite end of cable to Press power button.

  • Page 37: Handling Ph And Ion-Selective Electrode Sensors (Ises)

    The wiper can severely reduce the life of the RDO Fast Cap. Wear will vary by application. Verify sensor performance prior to use and replace the Fast Cap if damaged. Inspect foil prior to each use. If damaged, replace cap. RDO Fast Cap Wiper 1-970-498-1500 www.in-situ.com...

  • Page 38: Ion-Selective Electrode Sensor (Ise) Requirements

    To calculate ammonia... Conductivity/ pH Sensor Temperature Sensor Chloride, Nitrate, and pH/ORP Sensor Requirements Conductivity/ Temperature Sensor Temperature Sensor Do not look directly at the sensor LED or point it at the eyes. Doing so can cause eye damage. 1-970-498-1500 www.in-situ.com...

  • Page 39: Lcd Screen

    LCD screen will display sensor Hold instrument horizontally and Tilt instrument left or right to status on activation. slowly tap Aqua TROLL 500 logo scroll through menu options. 3-4 times to view the main menu. LCD Status Indicators 1 Port Status...
  • Page 40 RDO Cap not detected on RDO sensor. Install RDO cap. RDO cap is no longer valid. RDO Cap expired Install a new RDO Cap. RDO Cap XXX days Temporary text message update on the lifespan of the RDO Cap. 1-970-498-1500 www.in-situ.com...

  • Page 41: Calibrating Sensors

    Select Set User Defined to begin calibrating with the new value. If you are using an In-Situ standard and the app does not automatically detect it, perform the sensor cleaning and maintenance procedure, then select Retry Auto Detect.

  • Page 42: Rdo 100% Saturation Calibration: Water Saturated Air

    Put sonde into deployment mode two-thirds with tap water. minutes for 100% saturation. by flipping restrictor 180 degrees. Place sonde into bubbler. Open the VuSitu mobile app and Follow instructions in VuSitu to tap Calibrations > RDO Saturation. finish calibration. 1-970-498-1500 www.in-situ.com...

  • Page 43: Rdo Salinity Setting

    RDO Salinity Setting The Aqua TROLL 500 includes automatic salinity compensation. This feature requires a conductivity sensor and RDO sensor. With both sensors installed, the sonde will use salinity compensation by default. To change the compensation value, follow these steps:...
  • Page 44 Calibration Frequency Recommendations In-Situ sensors are factory calibrated across the entire range of each sensor, and thus achieve a very high degree of accuracy and stability for extended periods of time without user calibration. In-Situ recommends inserting the instrument into a known calibration standard to check the accuracy of a sensor prior to performing any user calibration if you suspect drift, unless a user calibration is required by a standard operating procedure.
  • Page 45 Factory calibration includes a thorough cleaning, full functionality check and sensor adjustments to all applicable sensors over the entire calibrated temperature range. We recommend a factory calibration every 12 months or when the unit appears to drift significantly. 1-970-498-1500 www.in-situ.com...

  • Page 46: Zeroing The Depth Sensor

    Zeroing the Depth Sensor The Aqua TROLL 500 uses its pressure reading and specific gravity value to calculate depth. The pressure sensor is located at the center of the instrument, but depth is reported at the smart sensor faces. An embedded gyroscope compensates for the distance between these sensors and allows the sonde to be deployed in any orientation (vertical, horizontal, angled).
  • Page 47 Sensor Office (OL) and no longer Remove two sensors and reinstall in communicating with the instrument separate port. 3.) Call (800-446-7488) or contact In-Situ Technical Support (support@in-situ.com). 1.) Inspect wiper to ensure surface is free of debris and the wiper is spinning correctly.

  • Page 48: Navigating Vusitu

    Com. Then open VuSitu to connect. • If the Aqua TROLL 500 is connected to another power source, turn on the Aqua TROLL 500 LCD screen by holding the sonde vertical with the sensor end facing up. Then open VuSitu to connect.

  • Page 49: Vusitu Menu Options

    Selecting with Long-press and Swipe Press and hold any item Press and swipe left to Press and swipe right to in a list of files. You can reveal the delete and reveal the sharing icon. now select multiple files. share icons. 1-970-498-1500 www.in-situ.com...

  • Page 50: Live Readings In Vusitu

    The instrument takes recording. VuSitu displays share the Live Readings from snapshot mode to a reading every two a summary of the live file via email or cloud live readings mode. seconds. readings data. storage. 1-970-498-1500 www.in-situ.com...

  • Page 51: Vusitu Data

    Viewing Data on a Mac or PC You’ll need to extract your files to view them. To do that on a Mac, double-click the Zip folder. On a PC, right-click on the folder and choose Extract. Then open your files in Excel. 1-970-498-1500 www.in-situ.com...

  • Page 52: Vusitu Locations

    As an alternative, you can manually enter latitude and longitude values and tap Apply. Or, tap and hold a specific point on the map to drop a pin there. 1-970-498-1500 www.in-situ.com...

  • Page 53: How To Select A Location

    How to Edit or Delete a Location Select Locations from Tap the location you Confirm by tapping the app menu. wish to delete and swipe Delete. left. Tap the trash icon. 1-970-498-1500 www.in-situ.com...

  • Page 54: Remote-Monitoring Configuration (Telemetry)

    Remote-Monitoring Configuration (Telemetry) VuLink provides power to the Aqua TROLL 500 and uploads data to the HydroVu Data server. Remove the battery pull-tab. Never mix old and new batteries, or Lithium and alkaline batteries. Make sure all three batteries are installed in the same orientation.
  • Page 55 By default, VuLink reads all available parameters every hour and transmits to the cloud once daily. You can also connect to the VuLink using the VuSitu Mobile App to configure a custom log. See the VuLink manual for more infomation. 1-970-498-1500 www.in-situ.com...

  • Page 56: Connecting To Win-Situ On A Pc

    Connecting to Win-Situ on a PC Connecting to Win-Situ via USB Download and install Win-Situ by visiting www.in-situ.com. The Wireless TROLL Com must be connected to the sonde and powered on to connect the instrument to Win-Situ. You can connect a Wireless TROLL Com to a PC with the included USB cable. Plug the cable into the port at the top of the TROLL Com and the USB port on your PC.

  • Page 57: Navigating The Win-Situ Interface

    Navigating the Win-Situ Interface Home Tab View data files Display Sites list Meter view List view Graph view Record Record snapshot current values Sensor Tab Set up sensor (double-click) Calibrate sensor Set up sensor 1-970-498-1500 www.in-situ.com...

  • Page 58: Device Setup Tab

    Device Setup Tab 1-970-498-1500 www.in-situ.com...

  • Page 59: Connecting The Aqua Troll 500 To A Plc Or Data Logger

    Connecting the Aqua TROLL 500 to a PLC or Data Logger SDI-12 3 Wire 1-970-498-1500 www.in-situ.com...
  • Page 60 Modbus Master RS485 1-970-498-1500 www.in-situ.com...
  • Page 61 Modbus Master with RS232 (Converter Required) 1-970-498-1500 www.in-situ.com...

  • Page 62: Modbus Plc Interface

    Modbus PLC Interface Overview The Modbus PLC Interface is a simplified method of communicating with the Aqua TROLL 500 using the Modbus protocol. It reduces programming complexity and allows the user to remove sensors and reinstall them in different ports. Please observe the following limitations when using this interface: •...
  • Page 63 6. Set the type of register to: 32-bit float a. If asked by the PLC this is 2 registers 7. Set the byte order to: Big Endean (MSB) a. This should be the default and may not be configurable on all PLCs 1-970-498-1500 www.in-situ.com...
  • Page 64 Parameter Id: The ID of the parameter for this location. See: Full System Specification float Off line sentinel value: The value that’s returned on error or if the parameter isn’t available. The default sentinel is 0.0 1-970-498-1500 www.in-situ.com...

  • Page 65: Care And Maintenance

    Replace the caps at both Thread the restrictor wiper. inside the pH sensor ends of the sensor. Use onto the sonde. storage cap with electrical tape to seal the Storage Solution or pH 4 storage cap. calibration standard. 1-970-498-1500 www.in-situ.com...

  • Page 66: Cleaning The Sonde

    If the sensor fails to calibrate after you replace the fill solution, replace the reference junction. Replacing the Filling Solution Remove sensor from Discard old solution. Insert tube from filling Squeeze solution into sonde and unscrew solution bottle into reservoir until full. Slowly reference junction. sensor. remove tube. 1-970-498-1500 www.in-situ.com...
  • Page 67 1 Clean the sensor with warm water and mild soap. 2 Soak the sensor in 0.1 M HCl solution for 10 minutes and then rinse with deionized water. After cleaning, rinse the sensor with water, and then soak overnight in pH 4 buffer. 1-970-498-1500 www.in-situ.com...

  • Page 68: Cleaning And Storing The Rdo Sensor

    Once installed on the sonde, the RDO sensor can be stored wet or dry depending on the sensor configuration of the sonde. Never store the RDO sensor without the sensor cap once it has been installed on the sonde. 1-970-498-1500 www.in-situ.com...

  • Page 69: Cleaning And Storing The Conductivity Sensor

    Once installed on the sonde, the Temperature Sensor and Conductivity Sensor can be stored wet or dry depending on the sensor configuration of the sonde. For the best accuracy over instrument life, keep the conductivity cell submersed in water for 24-48 hours prior to calibration and deployment. 1-970-498-1500 www.in-situ.com...

  • Page 70: Cleaning And Storing The Turbidity Sensor

    Replacing Wiper Bristles Wiper bristles need to be replaced based on site conditions. In-Situ recommends replacing bristles at least every 12 months or when visibly bent, damaged, or fouled.

  • Page 71: More Information

    More Information To learn more about the Aqua TROLL 500, telemetry, software and other In-Situ products, see the resources listed below. Visit www.in-situ.com Find information about In-Situ water quality, water level, telemetry and other products. Download software, manuals and product instructions.
  • Page 72 1-970-498-1500 www.in-situ.com...

  • Page 73: Appendix

    Appendix B for a description of parameter IDs. Parameter ID Map Register 13...2 6984 14...3 6985 30...19 6986 46...35 6987 62...51 6988 78...67 6989 94...83 6990 110...99 6991 126.115 6992 142...131 6993 158...147 6994 174...163 6995 190...179 6996 206...195 6997 219...211 1-970-498-1500 www.in-situ.com...

  • Page 74: Appendix B: Parameter Numbers And Locations

    Dissolved Oxygen 5591 5590 177 = % Saturation % Saturation Chloride (Cl 5612 5611 117 = mg/L Turbidity 5619 5618 194 = NTU Oxygen Partial 5654 5653 26 = torr Pressure Total Suspended 5661 5660 117 = mg/L Solids 1-970-498-1500 www.in-situ.com...
  • Page 75 Blue Green Algae- 5850 5849 118 = µg/L Phycoerythrin Concentration Blue Green Algae- Phycoerythrin Fluorescence 5857 5856 257 = RFU Intensity Fluorescein WT Fluorescence 5927 5926 257 = RFU Intnsity Fluorescein WT Concentration 5934 5933 118 = µg/L 1-970-498-1500 www.in-situ.com...
  • Page 76 Fluorescent Disolved Organic 5934 5933 257 = RFU Matter Fluorescence Intensity Colored Disolved Organic 6053 6052 118 = µg/L Matter Concentration Crude Oil Concentration 6004 6003 118 = µg/L Crude Oil Fluorescence 6011 6010 257 = RFU Intensity 1-970-498-1500 www.in-situ.com...

  • Page 77: Appendix C: Unit Ids

    Millimeters of Mercury (0 to C) inHg Inches of Mercury (4 to C) Centimeters of water (4 to C) Inches of water (4 to C) Torr Torr standard atmosphere Distance/Length (33-48) millimeters Centimeters Meters Kilometer Inches Feet Coordinates (49-64) Degrees Minutes Seconds 1-970-498-1500 www.in-situ.com...
  • Page 78 Density (129-144) g/cm3 Grams per cubic centimeter pH (145-160) Voltage (161-176) µV micro Volts milli Volts Volts Dissolved Oxygen (DO) % Saturation (177-192) % sat Percent saturation Turbidity (193-208) formazin nephelometric units nephelometric turbidity units formazin turbidity units 1-970-498-1500 www.in-situ.com...
  • Page 79 Available (was Cubic meters per day) Liters per second ML/day Millions of liters per day mL/min milliliters per minute kL/day Thousands of liters per day Volume (225-240) Cubic feet Gallons Mgal Millions of gallons Cubic meters Liters acre-ft Acre feet 1-970-498-1500 www.in-situ.com...

  • Page 80: Appendix D: Register Data Formats

    Appendix D: Register Data Formats The Modbus protocol specification requires any multiple-byte data type to be transmitted in Big Endean order, or most significant byte (MSB) first. In-Situ devices shall use the following register data formats. Register Data Type Table...

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