Teledyne 730 User Manual

730 Bubbler Module

Installation and Operation Guide

Part #60-9003-063
Copyright © 1995. All rights reserved, Teledyne Isco, Inc.
Revision K, May 9, 2007

Foreword

This instruction manual is designed to help you gain a thorough understanding of the
operation of the equipment. Teledyne Isco recommends that you read this manual
completely before placing the equipment in service.

Although Teledyne Isco designs reliability into all equipment, there is always the possi­bility of a malfunction. This manual may help in diagnosing and repairing the malfunc­tion.

If the problem persists, call or e-mail the Teledyne Isco Technical Service Department
for assistance. Simple difficulties can often be diagnosed over the phone.

If it is necessary to return the equipment to the factory for service, please follow the
shipping instructions provided by the Customer Service Department, including the
use of the Return Authorization Number specified. Be sure to include a note
describing the malfunction. This will aid in the prompt repair and return of the
equipment.

Teledyne Isco welcomes suggestions that would improve the information presented in
this manual or enhance the operation of the equipment itself.

Teledyne Isco is continually improving its products and reserves the right to
change product specifications, replacement parts, schematics, and instruc­tions without notice.

Customer Service

Phone: [phone] (USA, Canada, Mexico)

Fax: [phone]

Email: [e-mail]

Technical Service

Phone: [phone] (Analytical)

Email: [e-mail]

Return equipment to: 4700 Superior Street, Lincoln, NE 68504-1398

Other Correspondence

Mail to: P.O. Box 82531, Lincoln, NE 68501-2531

Email: [e-mail]

Web site: www.isco.com

Contact Information

[phone] (Outside North America)

[phone] (Samplers and Flow Meters)

Revised September 15, 2005

730 BubblerModule

Safety

730 BubblerModule

Safety

General Warnings Before installing, operating, or maintaining this equipment, it is

imperative that all hazards and preventive measures are fully
understood. While specific hazards may vary according to
location and application, take heed in the following general
warnings:

WARNING

This instrument has not been certified for use in
“hazardous locations” as defined by the National Electrical
Code.

WARNING

Avoid hazardous practices! If you use this instrument in
any way not specified in this manual, the protection
provided by the instrument may be impaired; this will
increase your risk of injury.

AVERTISSEMENT

Éviter les usages périlleux! Si vous utilisez cet instrument
d’une manière autre que celles qui sont specifiées dans ce
manuel, la protection fournie de l’instrument peut être
affaiblie; cela augmentera votre risque de blessure.

This product is often installed in confined spaces. Some examples
of confined spaces are manholes, pipelines, digesters, and storage
tanks. These spaces may become hazardous environments that
can prove fatal for those unprepared. These spaces are governed
by OSHA 1910.146 and require a permit before entering.

Hazard Severity Levels This manual applies Hazard Severity Levels to the safety alerts,

These three levels are described in the following sample alerts.

CAUTION

Cautions identify a potential hazard, which if not avoided, may
result in minor or moderate injury. This category can also warn
you of unsafe practices, or conditions that may cause property
damage.

WARNING

Warnings identify a potentially hazardous condition, which
if not avoided, could result in death or serious injury.

iii

730 BubblerModule
Safety

Hazard Symbols The equipment and this manual use symbols used to warn of

Warnings and Cautions

DANGER

DANGER – limited to the most extreme situations
to identify an imminent hazard, which if not
avoided, will result in death or serious injury.

hazards. The symbols are explained below.

Hazard Symbols

The exclamation point within the triangle is a warning sign alerting you of
important instructions in the instrument’s technical reference manual.

The lightning flash and arrowhead within the triangle is a warning sign alert­ing you of “dangerous voltage” inside the product.

Symboles de sécurité

Warnungen und Vorsichtshinweise

Pinch point. These symbols warn you that your fingers or hands will be seri­ously injured if you place them between the moving parts of the mechanism
near these symbols.

Ce symbole signale l’existence d’instructions importantes relatives au pro­duit dans ce manuel.

Ce symbole signale la présence d’un danger d’électocution.

Risque de pincement. Ces symboles vous avertit que les mains ou les
doigts seront blessés sérieusement si vous les mettez entre les éléments
en mouvement du mécanisme près de ces symboles

Das Ausrufezeichen in Dreieck ist ein Warnzeichen, das Sie darauf
aufmerksam macht, daß wichtige Anleitungen zu diesem Handbuch
gehören.

Der gepfeilte Blitz im Dreieck ist ein Warnzeichen, das Sei vor “gefährlichen
Spannungen” im Inneren des Produkts warnt.

Vorsicht Quetschgefahr! Dieses Symbol warnt vor einer unmittelbar dro­henden Verletzungsgefahr für Finger und Hände, wenn diese zwischen die
beweglichen Teile des gekennzeichneten Gerätes geraten.

iv

730 Bubbler Module

Table of Contents

Section 1 Introduction

1.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1.2 Connecting to the Sampler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.3 Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.4 Calibrating the Bubbler Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.5 Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.6 General Mounting Considerations for the Bubbler. . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1.6.1 Line Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1.6.2 Attach the Bubble Line to the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1.6.3 Bubble Line Position in the Stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1.6.4 Bubble Line Extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

1.6.5 Installing the Bubble Line in a Primary Device . . . . . . . . . . . . . . . . . . . . . 1-4

Section 2 Programming the Module

2.1 Module Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.2 Programmed Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.3 Data Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.3.1 Recovering Module Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.4 Operation of the Bubbler System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

2.4.1 Purges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

2.4.2 Automatic Drift Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

2.5 Alternative Flow Measurement Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Section 3 Installation Methods

3.1 Installation in Round Pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3.1.1 Flow Metering Inserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3.1.2 Spring Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.1.3 Scissors Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.1.4 Street Level Installation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3.2 Other Installation Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3.2.1 Rectangular, Trapezoidal, and Earthen Channels . . . . . . . . . . . . . . . . . . . 3-5

3.2.2 U-Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3.2.3 Non-Standard Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Section 4 Maintenance

4.1 Desiccant Reactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4.2 Hydrophobic Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

4.3 Bubble Line Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

4.4 Repairing The Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

4.5 Flash Memory and Software Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Appendix A Accessories List

v

730 Bubbler Module
Table of Contents

Appendix B Technical Specifications

Appendix C Material Safety Data Sheets

List of Figures

1-1 730 Module Mounted on Sampler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

2-1 Sample Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

2-2 Sampler Programming: 730 Module Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

2-3 Sampler Programming: 730 Module Setup Screens . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2-4 Sampler Programming: 730 Module Quick View Screens . . . . . . . . . . . . . . . . . . . 2-5

3-1 Spring Ring (6 to 15 inches) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3-2 Scissors Ring Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

3-3 Bubbler Carrier Mounted on Scissors Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3-4 Typical installation methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

List of Tables

2-1 Flow Conversion Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

A-1 Parts and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

B-1 Technical Specifications for the 730 Bubbler Module . . . . . . . . . . . . . . . . . . . . . . B-1

vi

730 Bubbler Module

Section 1 Introduction

1.1 Introduction The 730 Bubbler Module is one of Teledyne Isco’s inter-

changeable modules for the Avalanche and 6700 Series Sam­plers. The module uses a differential pressure transducer and a
flow of bubbles to measure liquid levels up to ten feet. The
bubbler is unaffected by wind, fluctuations in air or liquid tem­peratures, turbulence, steam, foam on the surface, corrosive
chemicals, debris, oil, floating grease, or lightning.

You can install the module only on a 6712 or 6700 controller. The
bubble line can be used in nearly any location with a known
level-to-flow relationship.

Figure 1-1 730 Module Mounted on Sampler

The module has not been approved for use in hazardous
locations as defined by the National Electrical Code.
Installation of this module in a hazardous location may
cause fire or explosion resulting in death, personal injury,
or property damage. Before installing any device in a
dangerous location, review safety precautions in your
sampler manual. Check applicable guidelines, codes and
regulations of federal, state, city, and county agencies.

WARNING

1-1

730 Bubbler Module
Section 1 Introduction

1.2 Connecting to the Sampler

To install the module:

1. Turn the sampler off.

2. Remove the connector cap in the module bay and move it
aside.

3. Slide the module into the bay.

4. Push against the module to be sure the connector is fully
seated.

To remove the module:

1. Turn the sampler off.

2. Press the silver button on top of the module and pull the
module from the bay.

3. Replace the connector cap in the module bay.

1.3 Installation Checklist 1. Check the desiccant cartridge. Make sure the desiccant is

active (blue in color) and remove the red cap.

2. Install the module and turn the sampler on.

3. Install the bubble line in the flow stream.

4. Connect the bubbler line to the module.

5. Program the sampler and calibrate the module’s level read­ing.

6. Run the program.

Note

You should install the module before turning the controller on.
When the controller is turned on, it looks for a module. The
controller will not recognize a newly installed module if it is not
seen during this power-up routine. If you install a module while
the controller is already on, turn the controller off and then on
again to reconfigure the controller to use with the module.

1.4 Calibrating the Bubbler Module

1.5 Power Consumption The 730 Module consumes a considerable amount of power. A

After the sampler, module, and bubble line have been installed at
the site, calibrate the module by measuring the depth of the
water and adjust the reading to match.

It is possible to calibrate the module in a container of water. Use
a bubble line of the same length as the one at the installation site
to get an accurate and reliable calibration.

nickel–cadmium battery may not be sufficient to finish a sample
routine. For example, the battery should be expected to complete
three sampling routines of 24 samples, each sample 200 ml, at
one sample per hour with a 10 foot suction line and a 5 foot head.
But if the routine is changed to 24 samples, 4 samples per bottle,
each sample 250 ml, at 15 minute intervals, with the same
suction line and head height, the battery does not have the
capacity to complete one routine. Teledyne Isco recommends
using a lead–acid battery or a 913 or 923 power pack when using
the 730 Bubbler Module.

1-2

730 Bubbler Module

Section 1 Introduction

1.6 General Mounting Considerations for the Bubbler

This section contains some general information regarding the
installation of the 730 module. More detailed installation infor­mation can be found in Section 3 Installation Methods.

1.6.1 Line Length A standard 25 foot (7.6 m) length of shipped with the module. We recommend that you do not use lengths longer than 25 feet. Please consult with the factory if your installation requires a nonstandard setup.

Cut the bubble line to the shortest usable length. This will min­imize friction head effects in the line and also will reduce the
amount of line exposed to cuts, kinks, etc. This will also improve
the response time to changing levels and make the purge more
effective.

The bubble line should be routed and secured so that it does not
disturb the flow. Do not kink the tubing or restrict the airflow by
over-tightening the mounting hardware.

1.6.2 Attach the Bubble Line

to the Module

The vinyl bubble line attaches directly to the barbed fitting.
Simply push the tubing over the fitting.

1

/8" (0.32 cm) ID vinyl line is

1.6.3 Bubble Line Position in

the Stream

Recommended

Bubble Outlet Depth

B

Zero

A

A. The recommended depth ranges from
the bottom to 1 inch below the zero level.

B. This position would be unable to
measure low levels through the primary
device.

Barbed Fitting

Vinyl Bubble Line

The bubble line outlet does not need to be at the bottom of the
stream. In fact, positioning the bubble line outlet above the
bottom can be beneficial if the stream carries large amounts of
solids or is subject to silting.

The simplest installation method attaches the bubble line to the
side of the flow stream with the bubble line outlet positioned
below the lowest expected level.

To measure the liquid level down to the actual “zero” level of the
primary device, Teledyne Isco recommends placing the bubble
line outlet at least 1 to 2 inches (2.5 to 5.1 cm) below the
primary device “zero” level to avoid measurement failures when
the liquid level is even with the outlet. The module cannot accu-

rately measure levels that are even with or below the bubble line
outlet.

1-3

730 Bubbler Module
Section 1 Introduction

1.6.4 Bubble Line

Extensions

1.6.5 Installing the Bubble

Line in a Primary
Device

For some applications, a stainless steel tube may be easier to
install in the flow stream than the plastic bubble line because of
its relative rigidity. The vinyl bubble line attaches by simply
slipping the vinyl tube over the end of the extension. Contact
your Teledyne Isco representative about purchasing a stainless
steel bubble line extension.

A copper extension to the bubble line is advantageous in applica­tions where algae tends to grow in the bubble line. The copper
salts released by the tubing are algicides that tend to inhibit the
growth of algae. However, the copper tubing may not be com­patible with the flow stream. Attach the copper bubble line
extensions to the bubble line in the same way as the stainless
steel extensions.

Primary devices such as weirs or flumes will usually specify a
head (level) measurement point. It is important to place the
bubble line outlet at this point to convert levels to flow rates cor­rectly. For more details about locating the head measurement
point, refer to the Isco Open Channel Flow Measurement
Handbook, or to information provided by the primary device
manufacturer.

Flume Bubble Line Fittings – Because of the variety of
primary measuring devices and installations, no comprehensive
bubble line installation instructions are practical. However, there
are valid general observations on bubble line installation that
can be made. You can have most flumes specified to include a
bubbler fitting. In new construction, this is highly recommended.
It may even be possible to modify an existing installation to
include a permanent bubbler fitting.

Stilling Wells – If the primary device includes a stilling well,
you should install the bubble line in the stilling well. However,
not all stilling wells are suitable for bubble line installation. If
the well is subject to silting or buildup of foreign material, you
should probably avoid it and mount the bubble line in the flow
stream proper.

Open Channel Installation – Attach the bubble line to the
side of the flow channel or flume. Make the attachment so it
causes a minimum amount of disturbance to the flow stream. If
possible, cut a groove in the side of the channel, place the bubble
line in the groove, and then grout over the groove.

Alternately, you can attach the bubble line to the side of the
channel, and then grout over the line to form smooth, sloped
lead-in and lead-out surfaces. However, you may simply attach
the bubble line to the side of the channel or the upstream side of
a weir.

1-4

Note

When installing the bubble line in a high-velocity flow stream
(exceeding 5 ft/sec or 1.5 m/sec), please consult with the Tele­dyne Isco Customer Service Department for recommenda­tions.

730 Bubbler Module

Section 2 Programming the Module

2.1 Module Screens When the controller is configured with the module, it adds the

necessary screens for programming. The screens appear on the
following pages in Figures 2-2 through 2-4. These figures outline
the steps for module programming and calibration. For 6712 pro­gramming and general programming information refer to the
sampler manual.

2.2 Programmed Enable When the 730 Module is installed, additional sampler enable

options are available. If programmed for LEVEL ONLY the
option will be LEVEL. If programmed for FLOW METER the
options will be LEVEL and FLOW. For more information about
programmed enables, refer to the sampler manual.

2.3 Data Storage When the sampler is configured for use with the module, a

memory partition is reserved. The module readings are stored in
this sampler memory partition. For more information on data
storage and partition management, see the sampler manual.

2.3.1 Recovering Module

Data

The stored module data can be collected or viewed as “reports.”
Three of the sampler reports contain module information, and
are shown in Figure 2-1. Refer to the Sampler Instruction
Manual for collecting and reading the reports.

Note

An * (asterisk) appears next to the reading if the module was
unable to take a reading. If an asterisk appears, the reading
displayed is the last available reading.

2-1

730 Bubbler Module
Section 2 Programming the Module

Settings Report

SAMPLER ID# 11343009 15:25 13-SEP-03
*********** PROGRAM SETTINGS ***********

---------­ SITE DESCRIPTION:
"FACTORY "

---------­ UNITS SELECTED:
LENGTH: ft

---------­ UNITS SELECTED:
FLOW RATE: cfs
FLOW VOLUME: Mgal

---------­ BUBBLER MODULE:
WEIR
90
V-NOTCH

---------­ 1 MINUTE
DATA INTERVAL

---------­ 24, 1000 ml BTLS
10 ft SUCTION LINE

---------­ PACING:
TIME, EVERY
0 HOURS, 15 MINUTES

---------­ DISTRIBUTION:
SEQUENTIAL
200 ml SAMPLES

---------­ 5 MINUTE DELAY TO
FIRST SAMPLE
RUN PROGRAM ONCE

---------------------------------------

Combined Report

SAMPLER ID# 11343009 15:25 13-SEP-03
BUBBLER MODULE: 638324458
*********** COMBINED RESULTS ***********
SITE: FACTORY
Program Started at 08:41 SAT 13-SEP-03
Nominal Sample Volume = 200 ml

FLOW TOTAL
RATE FLOW
SAMPLE BOTTLE TIME cfs Mgal

------- ------ ---- --------- ---------­ 1 1 08:41 2.495 0.000000
1 2 08:56 2.576 0.016941
1 3 09:11 2.666 0.034698
1 4 09:26 2.773 0.052914
1 5 09:41 2.773 0.071707
1 6 09:56 2.798 0.090520
1 7 10:11 2.798 0.109314
1 8 10:26 2.798 0.128112
1 9 10:41 2.751 0.146911
1 10 10:56 2.773 0.165698
1 11 11:11 2.798 0.184556
1 12 11:26 3.728 0.206933
1 13 11:41 3.728 0.232024
1 14 11:56 3.728 0.257108
1 15 12:11 3.728 0.282171
1 16 12:26 5.273 0.317318
1 17 12:41 5.239 0.352755
1 18 12:56 6.651 0.396903
1 19 13:11 6.651 0.441689
1 20 13:26 6.651 0.486476
1 21 13:41 6.651 0.531238
1 22 13:56 6.651 0.575999
1 23 14:11 3.404 0.611500
1 24 14:26 3.425 0.634426

----------------------------------------

Summary Report

Flow Summary - 13 SEP-03 (FR)

Flow at "FACTORY " Site
On 13-SEP-03

BUBBLER MODULE: 638324458
Day's Flow: 0.678964 Mgal
Average Flow Rate: 3.466 cfs
12:45 Maximum Flow Rate: 6.689 cfs
14:49 Minumum Flow Rate: 1.442 cfs

Hourly Average Flow Rate:
00:00-01:00: NO DATA 12:00-13:00: 5.385 cfs
01:00-02:00: NO DATA 13:00-14:00: 6.651 cfs
02:00-03:00: NO DATA 14:00-15:00: 2.591 cfs
03:00-04:00: NO DATA 15:00-16:00: 1.593 cfs
04:00-05:00: NO DATA 16:00-17:00: END DATA
05:00-06:00: NO DATA 17:00-18:00: NO DATA
06:00-07:00: NO DATA 18:00-19:00: NO DATA
07:00-08:00: BEGIN DATA 19:00-20:00: NO DATA
08:00-09:00: 2.519 cfs 20:00-21:00: NO DATA
09:00-10:00: 2.747 cfs 21:00-22:00: NO DATA
10:00-11:00: 2.791 cfs 22:00-23:00: NO DATA
11:00-12:00: 3.456 cfs 23:00-24:00: NO DATA

* - - - + - - - + - - - + - - - + - - - + - - - + *

12.00 + +
I I
I I
I I
I I

10.00 + +
I I
I I
I I
I I

8.00 + +
I I
I I
I I
I # I

6.00 + # +
I # I
I # # I
I # # I
I # # I

4.00 + # # +
I # # I
I # # # I
I # # # I
I # # # # # # # I

2.00 + # # # # # # # +
I # # # # # # # I
I # # # # # # # # I
I # # # # # # # # I
I # # # # # # # # I

0.00 + # # # # # # # # +

* - - - + - - - + - - - + - - - + - - - + - - - + *

Hour Ending: 04:00 08:00 12:00 16:00 20:00 24:00

Units are 'cfs'

Figure 2-1 Sample Reports

2-2