Emerson Wireless pH-ORP Transmitter 6081-P User Manual
Instruction Sheet 6081-P
LIQ_MAN_ABR_6081-P October 2013
6081-P
Wireless pH/ORP Transmitter
Figure 1. 6081-P
Essential Instructions – Read this before proceeding
Rosemount Analytical designs, manufactures, and tests its products to meet many national and international standards.
Because these instruments are sophisticated technical products, you must properly install, use, and maintain them to
ensure they continue to operate within their normal specications. The following instructions must be adhered to and
integrated into your safety program when installing, using, and maintaining Rosemount Analytical products. Failure
to follow the proper instructions may cause any one of the following situations to occur: Loss of life; personal injury;
property damage; damage to this instrument; and warranty invalidation.
• Read all instructions prior to installing, operating, and servicing the product. If this Instruction Manual is not the
correct manual, telephone 1-800-654-7768 and the requested manual will be provided. Save this Instruction Manual
for future reference.
• If you do not understand any of the instructions, contact your Rosemount representative for clarication.
• Follow all warnings, cautions, and instructions marked on and supplied with the product.
• Inform and educate your personnel in the proper installation, operation, and maintenance of the product.
6081-P Instruction Sheet
October 2013 LIQ_MAN_ABR_6081-P
Essential Instructions (continued)
• Install your equipment as specied in the Installation Instructions of the appropriate Instruction Manual and per
applicable local and national codes. Connect all products to the proper electrical and pressure sources.
• To ensure proper performance, use qualied personnel to install, operate, update, program, and maintain the product.
• When replacement parts are required, ensure that qualied people use replacement parts specied by Rosemount.
Unauthorized parts and procedures can affect the product’s performance and place the safe operation of your process at
risk. Look alike substitutions may result in re, electrical hazards, or improper operation.
• Ensure that all equipment doors are closed and protective covers are in place, except when maintenance is being
performed by qualied persons, to prevent electrical shock and personal injury.
Note
The Rosemount 6081 and all other wireless devices should be installed only after the 1420 Wireless Gateway has been installed
and is functioning properly. Wireless devices should also be powered up in order of proximity from the 1420 Wireless Gateway,
beginning with the closest. This will result in a simpler and faster network installation.
Note
Shipping considerations for wireless products (Power Modules):
The unit was shipped to you without the power module installed. Please remove the power modules from the unit prior to
shipping.
Primary lithium power modules are regulated in transportation by the U. S. Department of Transportation, and are also covered
by IATA (International Air Transport Association), ICAO (International Civil Aviation Organization), and ARD (European Ground
Transportation of Dangerous Goods). It is the responsibility of the shipper to ensure compliance with these or any other local
requirements. Please consult current regulations and requirements before shipping.
The power module with the wireless unit contains two “C” size primary lithium/thionyl chloride power sources.
Each power module contains approximately 5 grams in each pack. Under normal conditions, the power module materials
are self-contained and are not reactive as long as the power modules and the pack integrity are maintained. Care should
be taken to prevent thermal, electrical or mechanical damage. Contacts should be protected to prevent premature
discharge.
Power module hazards remain when cells are discharged. Power modules should be stored in a clean and dry area. For
maximum power module life, storage temperature should not exceed 30 °C.
WARNING
Use only with Rosemount Smart Power Module PN 701PBKKF
WARNING
Potential Electrostatic Hazard – The plastic antenna may present a potential electrostatic ignition hazard and must not be rubbed
or cleaned with a dry cloth.
WARNING
Mechanical Spark Hazard – The 6081 enclosure is made of aluminum alloy and given a protective polyurethane paint nish.
However, care should be taken to protect it from impact or abrasion if located in Zone 0.
This applies to any Intrinsically Safe installation, whether the Class, Division or Zone system is used.
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Instruction Sheet 6081-P
LIQ_MAN_ABR_6081-P October 2013
Quick Start Guide - 6081 Wireless pH Transmitter
1. Install the Power Module inside the rear enclosure. Follow the installation instructions on p.9 “Power Module
Installation”.
2. Wire the pH or ORP sensor to the transmitter. Refer to the sensor instruction sheet for details.
3. Once the connections are secure and veried, install the Power Module to power to the transmitter.
4. When the transmitter is powered up for the rst time, Quick Start screens appear. Using Quick Start is easy.
a. A blinking eld shows the position of the cursor.
b. Use the or key to move the cursor left or right. Use the or key to move the cursor up or down or to
increase or decrease the value of a digit. Use the or key to move the decimal point.
c. Press ENTER to store a setting. Press EXIT to leave without storing changes. Pressing EXIT also returns the
display to the previous screen.
5. Choose a local language.
6. Choose measurement: pH, ORP, or Redox.
7. Choose preamplier location. Select Xmtr to use the integral preamplier in the transmitter.
8. Choose Off or On for displayed diagnostics.
9. Select measurement update rate. Select ENTER to choose an update rate of 1 minute or enter a value from 1 second to
10 minutes.
10. Choose temperature units: °C or °F
11. Choose Yes to Setup the Wireless Network or No if the Network ID and the Join Key have already been entered.
12. Enter the 5-digit Wireless Network ID. This ID number must match the Network ID of the 1420 Wireless Gateway.
13. Enter the 8-digit Network Join Key number 1 of 4 to match the 1420 Wireless Gateway. See the Note below for
clarication.
14. Enter Network Join Key numbers 2, 3, and 4 to match the 1420 Wireless Gateway.
15. The transmitter will exit Quick Start and display the live measurement screen.
16. To change the Network ID or Join Key, HART address, or measurement-related settings from the default values, and
to set security codes, press MENU. Select Program and follow the prompts. Refer to the appropriate menu tree.
17. To return the transmitter to default settings, choose Reset Analyzer in the Program menu.
Note regarding Wireless Device Configuration
In order to communicate with the 1420 Wireless Gateway, and ultimately the Information System, the transmitter must
be congured to communicate with the wireless network. This step is the wireless equivalent of connecting wires from a
transmitter to the information system.
Using a Field Communicator or AMS, enter the Network ID and Join Key so that they match the Network ID and Join Key
of the gateway and other devices in the network. The Network Join Key consists of four (4) blocks, each with an eight
digit code. The code of each block must match its corresponding block in the 1420 in order for the 6081 to join the
network.
If the Network ID and Join Key are not identical, the transmitter will not communicate with the network. The Network ID
and Join Key may be obtained from the 1420 Wireless Gateway on the Setup>Network>Settings page on the web server.
The nal device network conguration piece is the Update Rate. This by default is one (1) minute. This may be changed at
commissioning, or at any time via AMS or the 1420 Wireless Gateway’s web server. The Update Rate should be between 1
second and 10 minutes.
When device conguration is completed, remove the power module and replace the rear cover of the transmitter until
the time of actual live installation in the process. Tighten the cover to the proper tension for safety approvals.
Note
For installation and operation at high elevations, slight convex bulging of the front keypad overlay is possible. If bulging occurs, it
is recommended to unscrew the two Philips head screws that faster the front cover to the central housing to release any internal
pressure. This will equalize the device’s internal pressure to the ambient atmospheric pressure. Re-tighten the two Philips head
screws to secure the front cover before device installation or operation. Make sure to perform the pressure equalization in a clean,
dry area.
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6081-P Instruction Sheet
October 2013 LIQ_MAN_ABR_6081-P
Figure 2. Menu Tree for 6081 pH Wireless Transmitter
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Instruction Sheet 6081-P
LIQ_MAN_ABR_6081-P October 2013
Product Description
When used with appropriate sensors, the 6081-P can measure pH or ORP (oxidation reduction potential) of a liquid and
transmit data wirelessly with a radio transceiver which uses HART 7 communication protocol. The instrument has a
local operator interface consisting of a keyboard and LCD display which can be used to observe process parameters or to
congure the 6081. This instrument is available with approvals for use in hazardous areas.
General Specifications
Enclosure: Cast aluminum. NEMA 4X, IP66
Dimensions: 6.55” x 5.40” x 5.15” (166mm x 137mm x 131mm)
Conduit Openings: ¾” FNPT
Ambient Temperature: -4 to 149 °F (-20 to 65 °C)
Storage Temperature: -22 to 158 °F (-30 to 70 °C)
Relative Humidity: 0 to 95% (non-condensing)
Weight/Shipping Weight: 7 lbs/8 lbs (3.2/3.6 kg)
Digital Communications: HART 7 Wireless HART™
Functional Specifications
pH Range: 0 to 14
ORP Range: -1400 to +1400mV
Compatible with Rosemount Analytical SMART pH sensors
Calibrations/standardization: The automatic buffer recognition uses stored buffer values and their temperature curves
for the most common buffer standards available worldwide. The transmitter also performs a stabilization check on the
sensor in each buffer.
A manual two-point calibration is made by immersing the sensor in two different buffer solutions and entering the pH
values. The microprocessor automatically calculates the slope which is used for self-diagnostics. An error message will
be displayed if the pH sensor is faulty. This slope can be read on the display and/or manually adjusted if desired. An online one-point process standardization is accomplished by entering the pH or ORP value of a grab sample.
The following calibration methods are supported:
- Two point calibration with Low and High buffer (pH only)
- Two point calibration with Automatic Buffer recognition (pH only)
- Single point standardization
- Single point Temperature Adjustment
- Automatic calibration upon live connection to RAI SMART pH sensors and upload of stored cal data to transmitter
Automatic Temperature Compensation: External 3-wire Pt100 RTD or Pt1000 RTD located in the sensor, compensates
the pH reading for temperature uctuations. Compensation covers the range -10 to 150 °C (14 to 302 °F). Manual
temperature compensation is also selectable.
Accuracy: ±1 mV @ 25 °C ±0.01 pH
Repeatability: ±1 mV @ 25 °C ±0.01 pH
Information and Status: Information screens display faults and warnings, radio transmission status, network ID number,
Power Module voltage, transmitter model, and software version.
Diagnostics: The internal diagnostics can detect:
RTD Failure
Glass Low Failure
Glass High Failure
Broken Glass Fault
Reference High Failure
CPU Error
High Temperature Warning
Low Temperature Warning
Glass Impedance High Warning
Glass Impedance Low Warning
Reference Impedance High Warning
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