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7

Calibrate

7.1

Introduction to calibration

Calibration is the process of adjusting or standardizing the transmitter to a lab test or a
calibrated laboratory instrument or standardizing to some known reference.

Completing Quick Start upon first power-up enables live measurements but does not
ensure accurate readings in the lab or in process. Calibrate each attached sensor to ensure
accurate, repeatable readings.

7.2

Turbidity

This section describes how to calibrate the turbidity sensor against a user-prepared
standard as a two-point calibration with deionized water, against a 20 NTU user-prepared
standard as a single point calibration, and against a grab sample using a reference
turbidmeter.

To calibrate the turbidity sensor:

1. Press

ENTER/MENU

from the main screen to access the

Calibration

screen.

Figure 7-1: Calibration Screen

2. Select S1 Measurement or S2 Measurement and press

ENTER/MENU

.

3. Press

INFO

at any time to learn more about this procedure. When you press

INFO

, a

yellow screen appears with detailed instructions and information.

The following calibration routines are covered:

•

Slope Calibration: Slope calibration with pure water and a standard of known turbidity.

Reference Manual

Calibrate

00809-0100-3565

July 2020

Rosemount T56

45

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Содержание Rosemount Clarity II T56

Страница 1: ...Reference Manual 00809 0100 3565 Rev AB July 2020 Rosemount Clarity II T56 Turbidmeter ...

Страница 2: ...unauthorized substitution of parts can affect product performance and cause unsafe operation of your process All equipment doors must be closed and protective covers must be in place unless qualified personnel are performing maintenance WARNING Risk of electrical shock Installation and servicing of this product may expose personnel to dangerous voltages Equipment protected throughout by double ins...

Страница 3: ...pairs necessitated by inadequate maintenance normal wear and usage unsuitable power sources unsuitable environmental conditions accident misuse improper installation modification repair storage or handling or any other cause not the fault of Seller are not covered by this limited warranty and shall be at Buyer s expense Seller shall not be obligated to pay any costs or charges incurred by Buyer or...

Страница 4: ...4 ...

Страница 5: ...and sensor connections 26 Chapter 4 Display and operate 31 4 1 User interface 31 4 2 Instrument keypad 31 4 3 Main display 33 4 4 Menu system 33 Chapter 5 Program the transmitter 35 5 1 General programming information 35 5 2 Configuring and ranging current outputs 35 5 3 Use a security code 36 5 4 Use hold 37 5 5 Reset factory default settings 38 5 6 Program alarm relays 39 5 7 Simulate relay acti...

Страница 6: ...r 53 8 4 Replacement parts 54 Chapter 9 Return of material 57 9 1 General return information 57 9 2 Warranty repair 57 9 3 Non warranty repair 58 Appendix A Verify linearity 59 Contents Reference Manual July 2020 00809 0100 3565 6 Emerson com Rosemount ...

Страница 7: ...away from the transmitter The turbidmeter incorporates the popular and easy to use Rosemount 1056 transmitter Menu flows and prompts are so intuitive that you practically do not need a manual Analog outputs are fully scalable Alarms are fully programmable for high low logic and dead band To simplify programming the transmitter automatically detects whether an EPA 180 1 or ISO 7027 sensor is being ...

Страница 8: ...ay resolution TSS Four digits decimal point moves from x xxx to xxx x Calibration methods User prepared standard commercially prepared standard or grab sample For total suspended solids you must provide a linear calibration equation Ambient temperature and humidity 32 to 131 F 0 to 55 C Altitude For use up to 6562 ft 2000 m Storage temperature 4 to 140 F 20 to 60 C Real time clock backup 24 hours ...

Страница 9: ...urrent output connectors 2 leads 24 16 AWG wire size Alarm relay terminal blocks 24 12 AWG wire size RFI EMI EN 61326 LVD EN 61010 1 Relays Form C single pole double throw epoxy sealed Table 1 1 Maximum Relay Current Supply voltage Resistive 28 Vdc 5 0 A 5 0 A 115 Vac 5 0 A 5 0 A 230 Vac 5 0 A 5 0 A Field wiring terminals Removable terminal blocks for power analog outputs and sensors Transmitter h...

Страница 10: ... to 35 C Sensor body rating IP65 when cable is connected 1 2 3 Debubbler and flow chamber Dimensions 18 1 x 4 1 in 460 mm x 104 mm diagram approximately Wetted materials ABS EPDM Delrin polypropylene nylon Inlet Compression fitting accepts in OD tubing fitting can be removed to provide in FNPT Drain Barbed fitting accepts in ID tubing fitting can be removed to provide in female national pipe threa...

Страница 11: ...ncludes valved rotameter and fittings 24101 00 Calibration cup 8 0108 0002 EPA Turbidity sensor EPA 180 1 compliant 8 0108 0003 ISO Turbidity sensor ISO 7027 compliant 1 0901 0010 ISO Replacement lamp ISO 24097 00 Sensor cable turbidity 20 ft 6 1 m 24098 00 Sensor cable turbidity 50 ft 15 2 m 24138 00 3 ft 0 1 m turbidity sensor cable for Clarity II 24170 00 Molded debubbler with integral flow cha...

Страница 12: ...Description and specifications Reference Manual July 2020 00809 0100 3565 12 Emerson com Rosemount ...

Страница 13: ...n areas of extreme temperatures 2 Install the transmitter in an area where vibration and electromagnetic and radio frequency interference are minimized or absent 3 Keep the transmitter and sensor wiring at least one foot 0 3 m from high voltage conductors Be sure there is easy access to the transmitter 4 The transmitter is suitable for panel pipe or surface mounting Refer to the figures below WARN...

Страница 14: ... 2 Panel Mount Side View A Panel mount gasket B Panel supplied by others Maximum thickness 0 375 in 9 52 mm C 4X mounting brackets and screws provided with instruments Install Reference Manual July 2020 00809 0100 3565 14 Emerson com Rosemount ...

Страница 15: ...Figure 2 3 Panel Mount Bottom View A Conduit openings Reference Manual Install 00809 0100 3565 July 2020 Rosemount T56 15 ...

Страница 16: ...Figure 2 4 Panel Cut Out A Maximum Install Reference Manual July 2020 00809 0100 3565 16 Emerson com Rosemount ...

Страница 17: ...t View A 2 in pipe supplied by customer Vertical pipe mounting shown For horizontal pipe rotate brackets and U bolts 90 Note Unless otherwise specified B 4X cover screw Reference Manual Install 00809 0100 3565 July 2020 Rosemount T56 17 ...

Страница 18: ...Figure 2 6 Wall Surface Mount Side View Install Reference Manual July 2020 00809 0100 3565 18 Emerson com Rosemount ...

Страница 19: ...Figure 2 7 Pipe Mount Bottom View A Front panel B 2 in pipe mount bracket C 2X set U bolts for 2 in pipe in kit PN 23820 Reference Manual Install 00809 0100 3565 July 2020 Rosemount T56 19 ...

Страница 20: ...Figure 2 8 Pipe Mount Side View Install Reference Manual July 2020 00809 0100 3565 20 Emerson com Rosemount ...

Страница 21: ...g The fitting accepts in OD tubing 2 Attach a piece of in ID soft tubing to the drain fitting The debubbler must drain to atmosphere WARNING High pressure and temperature Before removing the sensor be absolutely certain that the process pressure is reduced to 0 psig and the process temperature is lowered to a safe level Reference Manual Install 00809 0100 3565 July 2020 Rosemount T56 21 ...

Страница 22: ...low rate See Table 2 2 Table 2 2 Approximate Debubbler Pressure as a Function of Flow 0 040 Inch Outlet Orifice gph psig mL min kPa abs 2 1 100 110 4 3 200 120 6 8 300 140 8 14 400 160 10 21 500 190 11 26 600 240 12 31 700 280 800 340 To control and monitor sample flow a valved rotameter with fittings is available PN 24103 00 3 Attach the rotameter to the debubbler outlet You can also use the rota...

Страница 23: ...ce the nut 4 Remove the protective cap from the sensor 5 Screw the cable onto the receptacle The plug and receptacle are keyed for proper alignment The sensor is rated to IP65 when properly connected to the cable Postrequisites To prevent possible water damage to the connector contacts be sure the cable receptacle and the connector on the back of the sensor are dry when connecting or disconnecting...

Страница 24: ...y C Ground connection may be made in hazardous areas D Analog output E Alarm wiring Vac optional F Unclassified area G Hazardous area H Clarity II turbidity sensor 2 optional I Clarity II turbidity sensor 1 optional For FM installation refer to installation drawing number 1400667 For CSA installation refer to drawing number 1400668 Install Reference Manual July 2020 00809 0100 3565 24 Emerson com ...

Страница 25: ...easurement boards Procedure 1 Wire the sensor leads to the measurement board following the lead locations marked on the board 2 Carefully slide the wired board fully into the enclosure slot and take up the excess sensor cable through the cable gland 3 Tighten the cable gland nut to secure the cable and ensure a sealed enclosure Note For the purpose of replacing factory installed signal input board...

Страница 26: ...ds To keep the case watertight block unused openings with NEMA 4X or IP65 conduit plugs Note Use watertight fittings and hubs that comply with your requirements Connect the conduit hub to the conduit before attaching the fitting to the transmitter 3 3 Prepare sensor cable The Rosemount T56 is intended for use with all Rosemount sensors Refer to the sensor installation instructions for details on p...

Страница 27: ...Vdc 02 order code Wire the relay leads on each of the independent relays to the correct position on the power supply board using the printed lead markings NO Normally open NC Normally closed or Com Common on the board 3 4 4 Sensor wiring to signal boards Plug the pre terminated sensor cable connector directly into the turbidity signal board mating connector WARNING Electrical shock Electrical inst...

Страница 28: ...ueeze the release clip and pull straight out 6 Adjust the cable slack in the enclosure and tighten the cable nut Be sure to allow sufficient slack to avoid placing stress on the cable and connections 7 Plug the cable into the back of the sensor The sensor is rated to IP65 when properly connected to the cable To prevent possible water damage to the connector contacts be sure the cable receptacle an...

Страница 29: ...t and reconnect a sensor while a transmitter is powered If this is inconvenient or cannot be avoided Cycle power to the instrument after connecting to the sensor or Perform a slope calibration or standard calibration routine after connecting the sensor Following these guidelines will extend the life of the incandescent lamp and avoid premature warnings and faults due to reduced lamp life Reference...

Страница 30: ...Wire Reference Manual July 2020 00809 0100 3565 30 Emerson com Rosemount ...

Страница 31: ...ition The transmitter displays Help screens for fault and warning conditions to guide you in troubleshooting During calibration and programming key presses guide you step by step through procedures An alpha numeric keypad similar to a cell phone keypad is available to allow you to enter data during programming and calibration or lengthy tags to describe process points sensors or instrumentation 4 ...

Страница 32: ...ration in process Navigation keys The four navigation keys arranged around the ENTER MENU key operate in an intuitive manner similar to the navigation keys on a computer keyboard During menu operation use these keys to move the highlighted screen selection to another adjacent screen item During tag entry use the Left key is used to delete entries during active alpha numeric character entry Alpha n...

Страница 33: ...en show up to six secondary values You can program all six secondary value positions to any display parameter available 4 4 Menu system The menu system is similar to a computer Press the ENTER MENU key at any time to open the top level menu including Calibration Hold Programming Display Data and HART functions To find a menu item use the directional navigation keys to highlight a menu item Press E...

Страница 34: ...Display and operate Reference Manual July 2020 00809 0100 3565 34 Emerson com Rosemount ...

Страница 35: ...et all factory defaults calibration data only or current output settings only 5 2 Configuring and ranging current outputs The transmitter accepts inputs from two sensors and has four analog current outputs Ranging the outputs means assigning values to the low 0 or 4 mA and high 20 mA outputs Important Always configure the outputs first To configure the outputs press ENTER MENU to go to Program Out...

Страница 36: ...level It allows access to all menu fuctions including programming calibration hold and display Calibration Hold This is the operator or technician level menu It allows access to only calibration and hold of the current outputs To set security codes Procedure 1 Press ENTER MENU from the main screen to access the Security screen If you have programmed a security code selecting the Calibrate Hold or ...

Страница 37: ...ears after two seconds 5 4 Use hold To prevent improper operation of systems or pumps that are controlled directly by the current output place the transmitter in hold before removing the sensor for calibration and maintenance During hold all outputs remain at the last value Important Once in hold all current outputs remain on hold indefinitely Reference Manual Program the transmitter 00809 0100 35...

Страница 38: ...Reset factory default settings Resetting factory default settings clears all fault messages and returns the display to the first Quick Start screen The Rosemount T56 offers three options for resetting factory defaults Reset all settings to factory defaults Reset sensor calibration data only Reset analog output settings only Program the transmitter Reference Manual July 2020 00809 0100 3565 38 Emer...

Страница 39: ...easurement or temperature You can program each relay independently as an interval timer or one of four advanced timer functions You can program the following relay functions to any relay from the Relays screen Assign a relay Define a relay function Assign a measurement Set relay logic Enter setpoints Set deadband Set normal state Set USP safety level contacting conductivity Reference Manual Progra...

Страница 40: ...e Relays tab 3 Click Configure relay 4 To assign a relay highlight the desired Relay 1 4 and press ENTER MENU 5 To define a relay function select from the following Setpoint Interval Timer TPC Program the transmitter Reference Manual July 2020 00809 0100 3565 40 Emerson com Rosemount ...

Страница 41: ...r Closed and press ENTER MENU Program the Normal state to define the desired alarm default state to normally open or normally closed upon power up 11 To set USP Safety enter the percentage below the limit at which to activate the alarm and press ENTER MENU Note USP Safety only appears if a contacting conductivity board is installed 5 7 Simulate relay action To simulate relays Procedure 1 Press ENT...

Страница 42: ...4 Select the desired alarm condition to simulate Program the transmitter Reference Manual July 2020 00809 0100 3565 42 Emerson com Rosemount ...

Страница 43: ...nctions are covered Measurement Sensor type Units Bubble rejection Filter Figure 6 1 Measure Tab Procedure 1 To program the Measurement type select Turbidity or TSS calculation estimated TSS and press ENTER MENU 2 To program the Sensor type select EPA or ISO and press ENTER MENU 3 To program Units select NTU FTU or FNU and press ENTER MENU 4 To program Bubble rejection select On or Off and press E...

Страница 44: ...Program turbidity Reference Manual July 2020 00809 0100 3565 44 Emerson com Rosemount ...

Страница 45: ...s a two point calibration with deionized water against a 20 NTU user prepared standard as a single point calibration and against a grab sample using a reference turbidmeter To calibrate the turbidity sensor 1 Press ENTER MENU from the main screen to access the Calibration screen Figure 7 1 Calibration Screen 2 Select S1 Measurement or S2 Measurement and press ENTER MENU 3 Press INFO at any time to...

Страница 46: ...tter substracts the dark current from the raw scattered light signal and converts the result to turbidity In highly filtered samples which scatter little light the dark current can be a substantial amount of the signal generated by the detector 7 2 2 Calibrate against a standard You can calibrate the turbidity sensor against a commercial standard Stable 20 0 nephelometric turbidity unit NTU standa...

Страница 47: ...bidity reading from another instrument The transmitter treats the value you entered as though it were the true turbidity of the sample Therefore grab sample calibration changes the sensitivity it does not apply an offset to the reading Reference Manual Calibrate 00809 0100 3565 July 2020 Rosemount T56 47 ...

Страница 48: ...Calibrate Reference Manual July 2020 00809 0100 3565 48 Emerson com Rosemount ...

Страница 49: ...y rinsing it thoroughly with water and then wiping it with a soft tissue If water is inadequate wash with a mild detergent solution and then thoroughly rinse it with water CAUTION Equipment damage Do not scratch the lamp or photodiode windows Do not use abrasive cleaners or solvents If mineral scale is present apply a dilute acid solution with a cotton swab to clean away the deposit Rinse thorough...

Страница 50: ...asuring chamber and disconnect the cable WARNING High pressure and temperature Before removing the sensor be absolutely certain that the process pressure is reduced to 0 psig and the process temperature is at a safe level Note If you have a dual input transmitter you can reapply power at this point The initial reading from the other sensor will momentarily be zero After about 60 seconds the readin...

Страница 51: ...t damage Wires are short Pulling too hard will damage connections Don t pull too hard a Don t pull too hard b O ring 5 Using your thumb and forefinger remove the lamp LED circuit board from the sensor A O ring B Connecting wires C Lamp board Reference Manual Maintenance 00809 0100 3565 July 2020 Rosemount T56 51 ...

Страница 52: ...the holes in the sensor body Push the flange back on the sensor body and replace the screws Don t let wires push on lamp board You may need to turn the flange a small amount until the holes line up 9 Place the sensor in the calibration cup and reconnect the cable 10 Calibrate the sensor using either slope or standard calibration See Calibrate slope or Calibrate against a standard Do not use grab c...

Страница 53: ...drain plug 5 Unscrew the upper and lower caps Be careful not to lose the O rings 6 Use a stream of water a brush or a rag to flush and clean out the inside of the debubbler and measuring chamber 7 Inspect the O rings for signs of damage and replace if necessary The part number for the O ring one each is 9550316 8 Replace the upper and lower caps 9 Replace the sensor 8 3 2 Clean the debubbler orifi...

Страница 54: ...w through the orifice 5 Reinstall the orifice and reconnect the drain line Turn on the sample flow Postrequisites If the blockage cannot be removed or the orifice is damaged during cleaning replace the orifice PN 33947 00 8 4 Replacement parts Figure 8 1 Molded Debubbler Assembly Maintenance Reference Manual July 2020 00809 0100 3565 54 Emerson com Rosemount ...

Страница 55: ...ap for debubbler 3401400 3 Lower cap for debubbler 3401401 4 Sensor nut 3401402 5 Pipe plug in male national pipe thread MNPT 2 places 3000854 6 Orifice assembly 3394700 7 Sample inlet elbow in compression fitting x in MNPT 9321010 8 Sample drain elbow in barb x in MNPT 9322036 9 O ring one each for upper and lower caps 9550322 not shown O ring one each for sensor 9550145 Reference Manual Maintena...

Страница 56: ...Maintenance Reference Manual July 2020 00809 0100 3565 56 Emerson com Rosemount ...

Страница 57: ...ranty supply the factory sales order number of the original purchase order number In the case of individual parts or sub assemblies you must supply the serial number on the unit 3 Carefully package the materials and enclose your Letter of Transmittal If possible pack the materials in the same manner as they were received See Warranty 4 Send the package prepaid to Emerson Automation Solutions 8200 ...

Страница 58: ...upply the purchase order number and make sure to provide the name and telephone number of the individual to be contacted should additional information be needed 3 Do steps 3 and 4 in Warranty repair Note Consult the factory for additional information regarding service or repair Return of material Reference Manual July 2020 00809 0100 3565 58 Emerson com Rosemount ...

Страница 59: ...le before withdrawing liquid A magnetic stirrer is best but inverting the sample repeatedly for about a minute works too Avoid violent shaking or mixing Refer to any standard reference work on water and wastewater testing for the procedure for determining TSS 4 Dilute the sample from Step 1 by a factor of 0 9 0 7 0 5 0 3 and 0 1 See the table for recommended volumes Measure TSS and turbidity for e...

Страница 60: ...on com MIDDLE EAST AND AFRICA Emerson Automation Solutions Emerson FZE Jebel Ali Free Zone Dubai United Arab Emirates P O Box 17033 T 971 4 811 8100 F 971 4 886 5465 RMTNA RCCPO Emerson com ASIA PACIFIC Emerson Automation Solutions 1 Pandan Crescent Singapore 128461 Singapore T 65 777 8211 F 65 777 0947 RMTNA RCCPO Emerson com Linkedin com company Emerson Automation Solutions twitter com rosemount...

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