In-situ Aqua TROLL 600 Operator's Manual
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In-situ Aqua TROLL 600 Operator's Manual

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Aqua TROLL 600
Operator's Manual
Information subject to change without notice. In-Situ, In-Situ logo, "Water Simplified", VuLink, RDO, RuggedCable, TROLL,
BaroTROLL, HydroVu, VuSitu, Baro Merge, and Win-Situ are trademarks or registered trademarks of In-Situ Inc. ©2023. All
2023-03-17 | 0096402
rights reserved. This product may be covered by patents identified at www.in-situ.com/patents

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  • Page 1 Operator’s Manual Information subject to change without notice. In-Situ, In-Situ logo, “Water Simplified”, VuLink, RDO, RuggedCable, TROLL, BaroTROLL, HydroVu, VuSitu, Baro Merge, and Win-Situ are trademarks or registered trademarks of In-Situ Inc. ©2023. All 2023-03-17 | 0096402 rights reserved. This product may be covered by patents identified at www.in-situ.com/patents...

  • Page 2: Table Of Contents

    Getting Started ............................. 31 Handling pH and Ion-Selective Electrode Sensors (ISEs) ................34 Using the RDO Sensor and RDO Fast Cap ....................34 Ion-Selective Electrode Sensor (ISE) Requirements .................. 35 Ammonium Sensor Requirements ............................35 Chloride, Nitrate, and pH/ORP Sensor Requirements .....................35 1-970-498-1500 www.in-situ.com...
  • Page 3 Selecting with Long-press and Swipe ..........................50 HydroVu ......................................51 Live Readings in VuSitu ..........................52 Snapshot Mode .....................................52 Live Readings Mode ..................................52 VuSitu Data ..............................53 Downloading Your Data ................................53 Sharing Data ....................................53 Viewing Data on a Mac or PC ..............................53 1-970-498-1500 www.in-situ.com...
  • Page 4 Sensor Tab .......................................60 Device Setup Tab ..................................61 Logging Tab ....................................61 BaroMerge ......................................62 Connecting the Aqua TROLL 600 to a PLC or Data Logger ................ 66 Configuring SDI-12 Settings ........................69 About SDI-12 ....................................69 Configure SDI-12 Settings in VuSitu ............................69 Modbus PLC Interface ..........................69 Overview ......................................69...
  • Page 5 Appendix B: Parameter Numbers and Locations ......................82 Appendix C: Unit IDs ...................................85 Appendix D: Register Data Formats ............................88 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

    600. If you have questions, contact In-Situ Technical Support for assistance. • Use D-cell alkaline batteries. • Do not use the Aqua TROLL 600 in any manner not specified by the manufacturer. • Do not use batteries of different ages or types.

  • Page 10: Instrument Specifications

    > 9 months typical without wiping 8-36 VDC (required for normal operation) External power voltage Sleep: < 0.2 mA typical External power current Measurement: 40 mA typical, 75 mA Max Cable Vented or non-vented polyurethane or vented Tefzel® Hex screw driver 0.050 in. (1.3 mm) 1-970-498-1500 www.in-situ.com...

  • Page 11: External Power Source Requirements

    2 year - sonde, sensors (excluding ISE sensors) Warranty 1 year - Nitrate, Chloride, and Ammonium Sensors Other - see warranty policy at www.in-situ.com Specifications are subject to change without notice. Android is a Notes trademark of Google, Inc. Bluetooth is a trademark of Bluetooth SIG, Inc.
  • Page 12 60.2 cm (23.7 in) Diameter 47 mm (1.85 in) Instrument Dimensions with Restrictor Off Total length with wiper brush on 60.2 cm (23.7 in) Total length with wiper brush off 47 mm (1.85 in) Diameter 41.66 mm (1.64 in) 1-970-498-1500 www.in-situ.com...

  • Page 13: 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 14: 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 15: 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 16: 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 17 Bicarbonate (HCO Carbonate (CO 8,600 Chloride (CI 7,600 Dihydrogen Phosphate 34,640 3,464 Hydrogen Phosphate 34,300 3,430 (HPO Phosphate (PO 33,900 3,390 Acetate (OAc 104,200 10,420 1,042 Fluoride (F 81,400 8,140 Sulfate (SO 685,700 68,570 6,857 1-970-498-1500 www.in-situ.com...

  • Page 18: Required Accessories

    Required Accessories Communication Device You can use a communication device to calibrate, configure and deploy the Aqua TROLL 600. Wireless TROLL Com Provides power to the Aqua TROLL 600 to extend battery life. Calibrate, configure, and deploy with a Bluetooth-endabled Android or iOS device.

  • Page 19: Cable

    Cable Rugged Twist-Lock Cable Connects the Aqua TROLL 600 to a Wireless TROLL Com, USB TROLL Com or VuLink. Vented or non-vented. Stripped and tinned available for connecting to 3rd- party equipment Sensors Available Sensors 1. Temperature 2. Conductivity/temperature 3. pH/ORP 4.
  • Page 20 TROLL Com USB Cable Connect 0052500 TROLL Com RS-232 Direct Connect 0056150 TROLL Com USB Direct Connect 0052510 Accessories Part Number Alkaline Batteries (2) 0042020 Dual Titanium Restrictor/Storage Chamber 0079820 Rubber Bumpers (2) 0079880 Wiper or Wiper Port Plug 0063500, 0064630 1-970-498-1500 www.in-situ.com...
  • Page 21 355 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 22 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 23: Software

    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 24: Getting Started

    Aqua TROLL 600 Quickstart Guide Box Contents 1. Documentation and software 2. Wiper motor and brush/wiper 3. Aqua TROLL 600 sonde 4. Water quality sensors (2 of 4) 5. Water quality sensors (2 of 4) 6. RDO sensor cap 7. Accessory supplies 8.
  • Page 25 Hold textured sleeve of from instrument and instrument connector end must align with cable in one hand and cable. is clean. Apply vacuum flat edge on instrument instrument in other. Push grease to O-ring. connector. and twist until click. 1-970-498-1500 www.in-situ.com...
  • Page 26 Connect. devices. An iOS device To connect to another automatically connects instrument, press Disconnect and then to the closest In-Situ instrument. Choose or Add Device. VuSitu displays a list of available connections. VuSitu displays the Tap the serial number Connected Instrument...

  • Page 27: Handling Ph And Ion-Selective Electrode Sensors (Ises)

    Before using the ISE sensors for the first time, replace the reference filling solution. Condition the sensors by soaking in calibration standard for 4-24 hours prior to deployment. This step is not necessary for the pH sensor. Unscrew reference junction. Replace reference filling solution. 1-970-498-1500 www.in-situ.com...

  • Page 28: Ammonium Sensor Requirements

    ISE sensors require one or more additional sensors to function. See the details below and install the required sensors to use an ISE. Ammonium Sensor Requirements Conductivity/ Temperature Sensor Temperature Sensor To calculate ammonia... Conductivity/ pH Sensor Temperature Sensor Chloride, Nitrate, and pH/ORP Sensor Requirements Conductivity/ Temperature Sensor Temperature Sensor 1-970-498-1500 www.in-situ.com...
  • Page 29 Parameters in the derived parameters. Scale factors are highly measured parameters. Instrument Settings Select the edit icon to site-specific and must menu. configure a parameter. be determined by laboratory analysis of grab samples. 1-970-498-1500 www.in-situ.com...

  • Page 30: Lcd Screen

    Hold the instrument vertically Hold instrument horizontally and Tilt instrument left or right to with the sensor end facing up to slowly tap Aqua TROLL 600 logo scroll through menu options. activate the LCD screen. 3-4 times to view the main menu.

  • Page 31: Error Messages

    The data log menu allows you to create and start a basic linear data log if one doesn’t already exist on the instrument. Activate the LCD menu and select Data Log. Choose New. Stopping a Log Set the logging interval. The log starts immediately. 1-970-498-1500 www.in-situ.com...

  • Page 32: Adjusting The Lcd Menu Contrast

    Activate the LCD menu and scroll to Display. Tap Select Contrast. once to select. Tilt the sonde to the left to decrease the contrast. Or, tilt the sonde to the right to increase contrast. Tap the Aqua TROLL 600 logo to set the contrast. 1-970-498-1500 www.in-situ.com...

  • Page 33: Setting Or Changing Menu Language

    Micro SD Card The Aqua TROLL 600 uses a micro SD card for data storage. You can remove the SD card and replace it with another for data download, or use the same card. An SD card is not required to log data.

  • Page 34: Replacing Desiccant

    Use the solution-based procedure described below to calibrate all sensors except RDO. You will need the following items. • Calibration standard, or multiple standards for multi-point calibrations • Wireless TROLL Com connected to the Aqua TROLL 600 • Bluetooth-enabled mobile device Hold the sonde upright to activate...

  • Page 35: Rdo 100% Saturation Calibration: Water Saturated Air

    RDO 100% Saturation Calibration: Water Saturated Air Use the procedure below to calibrate the Aqua TROLL 600 RDO sensor, or see the next section for an alternative method.

  • Page 36: Rdo 100% Saturation Calibration: Saturation Bubbler

    RDO Salinity Setting The Aqua TROLL 600 includes automatic salinity compensation. This feature requires a conductivity sensor and RDO sensor. With both sensors installed, the sonde uses salinity compensation by default. To change the compensation value, follow these steps:...

  • Page 37: Zeroing The Depth Sensor

    Zeroing the Depth Sensor The Aqua TROLL 600 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 38 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 39: Calibration Frequency Recommendations

    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 40 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 41: Batch Calibrating Sensors In Vusitu

    Set up the calibration. Make sure When all sensors have stabilized, Flip the restrictor back into that all sensors are completely tap Accept. Review the calibration deployment mode and install the submerged. report for the completed sensors. end cap. 1-970-498-1500 www.in-situ.com...

  • Page 42: Multiple Sensors Of The Same Type

    Remove sensors and install them If one sensor isn’t stablilizing, tap Accept. Review the calibration in the instruments they will be use the toggle switch to turn report for the completed sensors. deployed in. that sensor off and continue calibrating the others. 1-970-498-1500 www.in-situ.com...

  • Page 43: Navigating Vusitu

    The Aqua TROLL 600 can connect to a Bluetooth-enabled device for wireless communication with the VuSitu mobile app. • If the Aqua TROLL 600 is connected to a Wireless TROLL Com, press the button on the Wireless TROLL Com. Then open VuSitu to connect. •...

  • Page 44: 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 45: Hydrovu

    HydroVu HydroVu is a data-management application that runs in the browser. Use it to manage data, view graphs, and configure telemetry devices for remote monitoring. See it at www.hydrovu.com. 1-970-498-1500 www.in-situ.com...

  • Page 46: 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 47: 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 48: 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 49: 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 50: Logging

    Connect to the instrument via VuSitu to create a log. Then follow the on-screen instructions. You can choose a start time for the log or start the log with a button press. Select Logging. Tap New Log. Follow the on-screen instructions to create and schedule a log. 1-970-498-1500 www.in-situ.com...

  • Page 51: Remote-Monitoring Configuration (Telemetry)

    Remote-Monitoring Configuration (Telemetry) VuLink can provide power to the Aqua TROLL 600 and uploads data to the HydroVu Data server. 1 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 52 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 53: 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 54: 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 55: Device Setup Tab

    Device Setup Tab Logging Tab Log Status Indicators Ready Pending Running Suspended Stopped Create Deleted New Log Invalid Edit Pending Delete Start Restart Stop Download Log to PC 1-970-498-1500 www.in-situ.com...

  • Page 56: Baromerge

    When you select the Fixed Correction and Manual Entry options, it is important to know the barometric pressure for the general time period covered by the log or logs you want to correct. 1. From the Tools menu, select Win-Situ BaroMerge. 1-970-498-1500 www.in-situ.com...
  • Page 57 To use this correction method you need barometric pressure values from a reliable source. Choose a single value that represents the actual ambient barometric pressure during the time period the log was recorded. You also need to know the file names of the logs you want to correct. 1-970-498-1500 www.in-situ.com...
  • Page 58 To use this correction method, you need the name of the BaroTROLL log file and the name(s) of the absolute log file(s) you want to correct. 1-970-498-1500 www.in-situ.com...
  • Page 59 Baro Merge Software. 1. Follow the steps to compensate the absolute data for barometric pressure. 2. When you reach this screen in the Wizard, you can select the check box to Post correct files for level. 1-970-498-1500 www.in-situ.com...

  • Page 60: Connecting The Aqua Troll 600 To A Plc Or Data Logger

    Connecting the Aqua TROLL 600 to a PLC or Data Logger SDI-12 3 Wire 1-970-498-1500 www.in-situ.com...
  • Page 61 Modbus Master RS485 1-970-498-1500 www.in-situ.com...
  • Page 62 Modbus Master with RS232 (Converter Required) 1-970-498-1500 www.in-situ.com...

  • Page 63: Configuring Sdi-12 Settings

    Modbus PLC Interface Overview The Modbus PLC Interface is a simplified method of communicating with the Aqua TROLL 600 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 64: Setting Up Instrument

    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 65: Reading Parameters

    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 66: 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 67: 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 68 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 69: 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 70: Cleaning And Storing The Conductivity Sensor

    • Soak the sensor in 0.10% HCl for 10 minutes and then rinse thoroughly with distilled water. Storage Prior to installation, store the sensor in the factory supplied container. 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. 1-970-498-1500 www.in-situ.com...

  • Page 71: 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 72: More Information

    More Information To learn more about the Aqua TROLL 600, 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 73: Declaration Of Conformity

    EN IEN 63000:2018 The CE mark is affixed accordingly. Ben Kimbell VP of R&D In-Situ, Inc. March 12, 2022 Copyright © 2015 In-Situ Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. 1-970-498-1500 www.in-situ.com...
  • Page 74 Emissions: BS EN 55024:2010 + A1:2015 The UKCA mark is affixed accordingly. Ben Kimbell VP of R&D In-Situ, Inc. February 23, 2022 Copyright © 2015 In-Situ Inc. This document is confidential and is the property of In-Situ Inc. Do not distribute without approval. 1-970-498-1500 www.in-situ.com...

  • Page 75: 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 76 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 77 Blue Green Algae- 5850 5849 118 = µg/L Phycoerythrin Concentration Blue Green Algae- Phycoerythrin Fluorescence 5857 5856 257 = RFU Intensity Fluorescein WT Concentration 5913 5912 118 = µg/L Fluorescein WT Fluorescence 5920 5919 257 = RFU Intensity 1-970-498-1500 www.in-situ.com...
  • Page 78 Fluorescent Dissolved Organic 5934 5933 257 = RFU Matter Fluorescence Intensity Crude Oil Concentration 6004 6003 118 = µg/L Crude Oil Fluorescence 6011 6010 257 = RFU Intensity Colored Dissolved Organic 6053 6052 118 = µg/L Matter Concentration 1-970-498-1500 www.in-situ.com...
  • Page 79 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 80 Parts per billion Density (129-144) g/cm3 Grams per cubic centimeter pH (145-160) Voltage (161-176) µV Microvolts Millivolts 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 81 (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 82 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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