Alnor EBT730 Manuale utente
ALNOR®ELECTRONIC
BALANCING TOOL
MODELS EBT730/EBT731
OWNER’S MANUAL
P/N 6005725, REV D
OCTOBER 2014
Model EBT731 Balometer®Model EBT730 Micromanometer
Air Balancing Instrument (shown with standard and optional accessories)
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LIMITATION OF WARRANTY AND LIABILITY
Copyright©
TSI Incorporated / 2012-2014 / All rights reserved.
LIMITATION OF WARRANTY AND LIABILITY (effective April 2014)
Seller warrants the goods, excluding software, sold hereunder, under normal use and service as described in the operator's
manual, to be free from defects in workmanship and material for 24 months, or if less, the length of time specified in the
operator's manual, from the date of shipment to the customer. This warranty period is inclusive of any statutory warranty.
This limited warranty is subject to the following exclusions and exceptions:
a. Hot-wire or hot-film sensors used with research anemometers, and certain other components when indicated in specifications,
are warranted for 90 days from the date of shipment;
b. Pumps are warranted for hours of operation as set forth in product or operator’s manuals;
c. Parts repaired or replaced as a result of repair services are warranted to be free from defects in workmanship and material,
under normal use, for 90 days from the date of shipment;
d. Seller does not provide any warranty on finished goods manufactured by others or on any fuses, batteries or other
consumable materials. Only the original manufacturer's warranty applies;
e. This warranty does not cover calibration requirements, and seller warrants only that the instrument or product is properly
calibrated at the time of its manufacture. Instruments returned for calibration are not covered by this warranty;
f. This warranty is VOID if the instrument is opened by anyone other than a factory authorized service center with the one
exception where requirements set forth in the manual allow an operator to replace consumables or perform recommended
cleaning;
g. This warranty is VOID if the product has been misused, neglected, subjected to accidental or intentional damage, or is not
properly installed, maintained, or cleaned according to the requirements of the manual. Unless specifically authorized in a
separate writing by Seller, Seller makes no warranty with respect to, and shall have no liability in connection with, goods which
are incorporated into other products or equipment, or which are modified by any person other than Seller.
The foregoing is IN LIEU OF all other warranties and is subject to the LIMITATIONS stated herein. NO OTHER EXPRESS
OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE. WITH
RESPECT TO SELLER’S BREACH OF THE IMPLIED WARRANTY AGAINST INFRINGEMENT, SAID WARRANTY IS
LIMITED TO CLAIMS OF DIRECT INFRINGEMENT AND EXCLUDES CLAIMS OF CONTRIBUTORY OR INDUCED
INFRINGEMENTS. BUYER’S EXCLUSIVE REMEDY SHALL BE THE RETURN OF THE PURCHASE PRICE
DISCOUNTED FOR REASONABLE WEAR AND TEAR OR AT SELLER’S OPTION REPLACEMENT OF THE GOODS
WITH NON-INFRINGING GOODS.
TO THE EXTENT PERMITTED BY LAW, THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE LIMIT OF
SELLER'S LIABILITY FOR ANY AND ALL LOSSES, INJURIES, OR DAMAGES CONCERNING THE GOODS
(INCLUDING CLAIMS BASED ON CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR OTHERWISE) SHALL BE
THE RETURN OF GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE, OR, AT THE OPTION OF
SELLER, THE REPAIR OR REPLACEMENT OF THE GOODS. IN THE CASE OF SOFTWARE, SELLER WILL REPAIR
OR REPLACE DEFECTIVE SOFTWARE OR IF UNABLE TO DO SO, WILL REFUND THE PURCHASE PRICE OF THE
SOFTWARE. IN NO EVENT SHALL SELLER BE LIABLE FOR LOST PROFITS, BUSINESS INTERRUPTION, OR ANY
SPECIAL, INDIRECT, CONSEQUENTIAL OR INCIDENTAL DAMAGES. SELLER SHALL NOT BE RESPONSIBLE FOR
INSTALLATION, DISMANTLING OR REINSTALLATION COSTS OR CHARGES. No Action, regardless of form, may be
brought against Seller more than 12 months after a cause of action has accrued. The goods returned under warranty to
Seller's factory shall be at Buyer's risk of loss, and will be returned, if at all, at Seller's risk of loss.
Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY, which contains the
complete and exclusive limited warranty of Seller. This LIMITATION OF WARRANTY AND LIABILITY may not be amended,
modified or its terms waived, except by writing signed by an Officer of Seller.
Service Policy
Knowing that inoperative or defective instruments are as detrimental to TSI as they are to our customers, our service policy
is designed to give prompt attention to any problems. If any malfunction is discovered, please contact your nearest sales
office or representative, or call TSI’s Customer Service department at 1-800-874-2811 (USA) or (651) 490-2811.
Trademarks
TSI®, TSI logo, Alnor®, LogDat-CH, are trademarks of TSI Incorporated.
.
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i
CONTENTS
About This Manual ..................................................................................................................................... iii
Formatting and Typography ................................................................................................................... iii
Technical Assistance—Help! .................................................................................................................. iii
Chapter 1. Introduction .............................................................................................................................. 1
Instrument Description ............................................................................................................................ 1
Micromanometer .............................................................................................................................. 2
Micromanometer ..................................................................................................................................... 3
Standard Tools ....................................................................................................................................... 4
Pitot Tube ......................................................................................................................................... 4
Static Pressure Probe ...................................................................................................................... 4
Balometer® Capture Hoods .............................................................................................................. 4
Optional Tools ........................................................................................................................................ 4
Velocity Matrix .................................................................................................................................. 4
Air Flow Probe .................................................................................................................................. 4
Temperature/Humidity Probe ........................................................................................................... 4
Thermoanemometer Probes ............................................................................................................ 5
Chapter 2. Unpacking and Setting Up ...................................................................................................... 7
Unpacking ............................................................................................................................................... 7
Preparing the Instrument for Use ........................................................................................................... 8
Power the Micromanometer with the AC Adapter............................................................................ 8
Power the Micromanometer with Batteries ...................................................................................... 8
Using the Pressure Ports...................................................................................................................... 10
Connecting a Pitot Tube ................................................................................................................ 11
Connecting the Static Pressure Port to the Micromanometer .............................................................. 12
Attaching the Micromanometer to the Capture Hood Base ................................................................. 12
Connecting the Velocity Matrix to the Micromanometer ................................................................ 13
Connecting the Air Flow Probe to the Micromanometer ...................................................................... 14
Connecting the Base Temperature Probe, Temperature and Humidity Probe or
Thermoanemometer Probe to the Micromanometer ..................................................................... 15
Using the Telescoping Thermoanemometer Probes or Temperature and Humidity Probe ................. 15
Extending the Probe....................................................................................................................... 15
Retracting the Probe ...................................................................................................................... 16
Chapter 3. Getting Started ....................................................................................................................... 17
Keypad Functions ................................................................................................................................. 17
Common Terms .................................................................................................................................... 18
Chapter 4. Menu Setup and Navigation .................................................................................................. 21
Menus ................................................................................................................................................... 21
Pressure Tool ................................................................................................................................. 21
Display Setup ................................................................................................................................. 23
Flow Setup [Pitot Tube, AF Probe (straight pitot tube) or Thermoanemometer Probe] ................ 24
Actual/Standard Setup ................................................................................................................... 25
Settings .......................................................................................................................................... 26
Data Logging .................................................................................................................................. 27
Bluetooth Functions ....................................................................................................................... 37
Applications .................................................................................................................................... 38
Calibration Factor (Cf) Selection .................................................................................................... 40
Calibration ...................................................................................................................................... 40
Printing Data Using the Portable Printer .............................................................................................. 41
LogDat-CH™ Downloading Software ................................................................................................... 41
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ii
Chapter 5. Changing Capture Hoods ...................................................................................................... 43
Capture Hood Parts Identification ........................................................................................................ 43
Capture Hood Assembly ....................................................................................................................... 43
Alternate Hood Installation ............................................................................................................. 44
Direct Inflow Measurement Hood for Biological Safety Cabinets .................................................. 49
Chapter 6. Flow Measurements Using the Capture Hood .................................................................... 55
Single Reading Measurements ............................................................................................................ 55
Running Average Measurements ......................................................................................................... 56
Capture Hood Measurements (non-backpressure compensated) ....................................................... 56
Backpressure Compensated Measurements ....................................................................................... 56
“ERROR” Display ................................................................................................................................. 57
Chapter 7. Maintenance and Troubleshooting ....................................................................................... 59
Fabric Hood .......................................................................................................................................... 59
Micromanometer ................................................................................................................................... 59
Manifold ................................................................................................................................................ 59
Cases ............................................................................................................................................. 59
Calibration ............................................................................................................................................. 59
Appendix A. Back Pressure ..................................................................................................................... 61
Verifying Flow Measurements .............................................................................................................. 61
Appendix B. Traversing a Duct to Determine Average Air Velocity or Volume.................................. 63
Where to Take the Measurement ......................................................................................................... 63
Traversing a Round Duct...................................................................................................................... 63
Traversing a Square Duct..................................................................................................................... 65
Appendix C. Swirl X Flow Conditioner for Alnor Model EBT731 Balometer®
Capture Hood Optional Accessory (P/N 801213) ................................................................................... 67
Description ............................................................................................................................................ 67
Performance Data ................................................................................................................................ 68
Installation and Usage .......................................................................................................................... 69
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iii
About This Manual
This manual explains how to set up, operate and maintain the Alnor EBT730/EBT731. Please read it
thoroughly before using the instrument.
Formatting and Typography
Step-by-step instructions are numbered in boldface type: 1, 2, 3, etc., set flush-left against the
margin.
References to keys on the micromanometer and the instrument's displayed readout are represented
by a typeface called Arial. In addition to the different typeface, displayed messages appear in quotes.
When reference is made to other sections of the manual, the section title is italicized.
Technical Assistance—Help!
For technical assistance or questions about the instrument, or if the instrument needs repair or
recalibration, call Customer Service at (800) 874-2811 (USA), or (1) 651-490-2811 (International).
Product application notes are available to provide more information on the product.
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1
Chapter 1. Introduction
The Electronic Balancing Tools EBT730/EBT731 are lightweight and easy-to-use instruments packaged
with a variety of accessories for measuring pressure, temperature, humidity, air velocity, and air volume.
Features of the micromanometer include:
Single-function keys for ease of use
Auto-zero for pressure measurements, auto-density correction, and back-pressure compensation
when used with a capture hood
User-selectable English and metric units
Conversions between actual and standard flow
Discrete or continuous display and data logging capabilities
Output port for downloading to a printer or a PC
Bi-directional Bluetooth communications to 8934 printer or PC
Powered by AC adapter or batteries (rechargeable NiMH or alkaline)
Full field calibration
Designed for:
Test and balance professionals
Mechanical contractors
Industrial hygienists
Plant engineers and facilities maintenance personnel
Applications include:
Test, balance, or commission HVAC systems
Test clean rooms and biological safety cabinets
Measure fume hood or filter face velocity
Measure pressure, temperature, relative humidity, air velocity, or air flow
C A U T I O N
WHILE USING THE BALOMETER® AIR BALANCING INSTRUMENT TO TEST AIR FLOW IN
DUCTS, YOU MAY COME INTO CONTACT WITH OR BE EXPOSED TO DUST, POLLEN, MOLD,
FUNGUS, OR OTHER AIRBORNE CONTAMINANTS. IF YOU ARE OR MAY BE SENSITIVE TO
DUST, POLLEN, MOLD, FUNGUS, OR OTHER AIRBORNE CONTAMINANTS, ALWAYS USE AN
APPROPRIATE MASK OR RESPIRATOR WHILE EMPLOYING THE BALOMETER® AIR
BALANCING INSTRUMENT.
Instrument Description
The basic EBT730 includes a micromanometer, carrying case, 18 in. (46 cm) pitot tube, (2) static
pressure probes, (2) 8 ft (2.4 m) Norprene® tubing, user manual, LogDat-CH™ for Windows® data
downloading software and RS232 interface cable, neck strap, internal NiMH battery charger, (4) AA NiMH
batteries, AC adapter, and NIST traceable certificate.
®Norprene is a registered trademark of Norton Performance Plastics, Akron, Ohio, USA.
®Windows is a registered trademark of Microsoft Corporation.
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2 Electronic Balancing Tool EBT730/EBT731
The basic EBT731 contains all of the EBT730 components plus 2 ft 2 ft (610 mm 610 mm) air capture
hood, frame, and base. A variety of optional tools (see below) are also available to meet your
measurement needs.
The following paragraphs provide brief descriptions of the micromanometer and the various standard and
optional tools for use with the EBT Refer to Chapters 3 and 4 for more detailed information on using the
micromanometer and taking measurements with various sensors and probes.
Micromanometer
Figures 1 and 2 show the features of the micromanometer used in the EBT730/EBT731.
Keypad
AC Adapter
Connection
Display
Headphone
Connection
USB Port
Probe Connector
RS-232 Port
(factory use
only)
Figure 1: Features of the EBT730/EBT731 Micromanometer, Front View
Differential
Pressure Ports
Battery Compartment
Figure 2: Features of the EBT730/EBT731 Micromanometer, Back View
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Chapter 1: Introduction 3
Figures 3 and 4 show the features of the Balometer® Capture Hood.
Removable
Center Handle
Backpressure
Flap Actuator
Switch to pause a
reading or to
initiate
backpressure
compensation
Base Handle
Figure 3: Features of the EBT Balometer® Base, Side View
Flow Manifold Backpressure Flap
Temperature
Sensor
Mount for Hood
Support Pole (4)
Figure 4: Features of the EBT Balometer® Base, Inside View
Micromanometer
The micromanometer is a multifunction instrument used to measure air velocity, air flow, absolute and
differential pressure, temperature, and humidity measurements when used with the tools listed below.
The lightweight micromanometer incorporates auto-zeroing for high-accuracy, low pressure
measurements. Measurements can be stored to memory for later recall or downloaded to a PC using the
LogDat-CH software and USB cable or with Bluetooth communications.
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4 Electronic Balancing Tool EBT730/EBT731
Standard Tools
This section gives a brief description of standard tools for the micromanometer.
Pitot Tube
The pitot tube is primarily used to obtain air velocity, air volume, and velocity pressure measurements
within ductwork. An 18 in. (46 cm) pitot tube is included with the EBT730 or EBT731 kits. Alternate sizes
are available.
Static Pressure Probe
The static pressure probe is primarily used to obtain static pressure measurements within ductwork.
Differential pressure measurements across a filter or coil can also be performed by placing one probe
upstream and the other downstream of the filter or coil.
Balometer® Capture Hoods
Capture hoods are used to obtain volumetric air flow measurements through diffusers, registers and
grilles. Capture hoods are available in a kit with one 2 ft 2 ft (610 mm 610 mm) fabric hood, frame,
and base assembly. Alternate hood sizes are available. Descriptions and part numbers can be found in
Table 2 of Chapter 2 of this manual.
Optional Tools
This section gives a brief description of optional tools for the micromanometer.
Velocity Matrix
The velocity matrix is used to obtain area-averaged multi-point air velocity measurements useful in
laboratory hood face velocity testing, filter face velocity testing, and other applications such as kitchen
exhaust.
Air Flow Probe
The air flow probe model 800187 is an 18” (46 cm) straight pitot tube used to obtain single point air
velocity or air volume measurements in ductwork.
Temperature/Humidity Probe
The temperature/humidity probe is used to obtain temperature measurements over the range of 14 to
140°F (-10 to 60°C), humidity measurements over the range of 5 to 95% RH, along with calculated wet
bulb temperature of 40 to 140°F (4 to 60°C) and dewpoint temperature of 5 to 120°F (-15 to 49°C).
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