Page 1
UPM 2000
Ultrasound Power Meter
User Manual
Manual P/N 1200-User-Manual
Initial Release-3/12/2008
Page 2
UPM 2000
2
Netech Corporation
110 Toledo St, Farmingdale, NY 11735
http://www.Netech.org
1-800-547-6547
Page 3
UPM 2000
Contents
Warranty...........................................................................................................................................4
Notices .............................................................................................................................................5
Safety Considerations......................................................................................................................8
Hazard Warnings ............................................................................................................................. 9
Precautions ......................................................................................................................................9
Electromagnetic Interference and Susceptibility............................................................................10
EC Directives .................................................................................................................................11
Chapter 1 General Information................................................................................13
Summary of Features.....................................................................................................................14
Ultrasound and Its Application .......................................................................................................15
Patient Treatment with Therapeutic Ultrasound. ........................................................................... 16
Chapter 2 Description................................................................................................17
UPM 2000 Specifications...............................................................................................................18
Overall Unit Layout.........................................................................................................................19
Front Panel Description..................................................................................................................20
Back Panel Description..................................................................................................................21
Bottom Panel Description ..............................................................................................................22
Standard Accessories....................................................................................................................23
Optional Accessories .....................................................................................................................24
Chapter 3 Installation and the Operating Environment........................................25
Unpacking and Inspection..............................................................................................................26
Operation .......................................................................................................................................28
UPM 2000 Systems Check............................................................................................................30
Beginning Ultrasound Power Measurements ................................................................................32
Using the Universal Transducer Clamp Assembly and Centerin g Rings ...................................... 34
Ultrasound Unit Testing..................................................................................................................36
Using the RS232 Port ....................................................................................................................37
Chapter 4 Safety, Maintenance, and Storage..........................................................39
Recommended Procedures and Precautions................................................................................40
Calibration Check Procedures .......................................................................................................40
Maintenance...................................................................................................................................41
Service ...........................................................................................................................................41
Returning the UPM 2000 for Calibration........................................................................................42
Battery Replacement......................................................................................................................42
Storage...........................................................................................................................................42
Repackaging and Shipping
Appendix Troubleshooting..................................................................................................................47
....................................................................................................43
3
Netech Corporation
110 Toledo St, Farmingdale, NY 11735
http://www.Netech.org
1-800-547-6547
Page 4
UPM 2000
Warranty
Netech warrants the UPM 2000 against defects in materials and workmanship for one
year from the date of original purchase. The standard warranty is extended for a second
year if the instrument is returned to Netech for its recommended yearly recalibration.
During the warranty period, we will repair or, at our option, replace at no charge a
product that proves to be defective, provided you return the product shipping prepaid to
Netech Corporation. Only serialized products are covered under this warranty.
This warranty does not apply if the product has been damaged by accident or misuse or as
the result of service or modification by other than Netech Corporation, or if its serial
number is defaced or removed.
Netech reserves the right to discontinue the UPM 2000 at any time, and change its
specifications, price, or design without notice and without incurring any obligation.
Netech guarantees availability of service parts for 5 years after the manufacture of the
unit is discontinued.
The warranty is void if you elect to have the unit serviced and/or calibrated by someone
other than Netech Corporation.
The warranty covering your product becomes void when the tamper-resistant
Quality Seal is removed or broken without proper factory authorization.
We strongly recommend, therefore, that you send your instrument to Netech Corporation
for factory service and calibration, especially during the original warranty period.
The purchaser assumes all liability for any damages or bodily injury, which may result
from the use or misuse of the unit by the purchaser, his employees, agents, or customers.
Warranty may be void if shipping procedures are not adhered to.
In no event shall Netech Corporation be liable for consequential damages
Netech Corporation
110 Toledo St, Farmingdale, NY 11735
http://www.Netech.org
1-800-547-6547
4
Page 5
UPM 2000
Notices
Copyright
Copyright © 2008 by Netech Corporation. All rights reserved. No part of this
publication may be reproduced or transmitted in any form other than for the
purchaser’s personal use without written permission from Netech Corporation.
Quality Assurance
Netech is ISO 9001-2000 Certified. This instrument was thoroughly tested and
inspected according to Netech’s ISO 9001-2000 quality standards and test
procedures and found to meet those specifications when it was shipped from the
factory
.
Certification
Calibration measurements are traceable to the National Institute of Standards
and Technology (NIST). Devices for which there are no NIST calibration
standards are measured against in-house performance standards using accepted
test procedures.
Trademarks
Netech and UPM 2000 are trademarks of Netech Corporation. Any other
trademark names used in this manual are only for editorial purposes and the
benefit of the respective trademark owner with no intention of improperly using
that trademark
Refunds and Credits
Please note that only serialized products and their accessory items (i.e., products
and items bearing a distinct serial number tag) are eligible for partial refund
and/or credit. Non-serialized parts and accessory items (e.g., cables, carrying
cases, auxiliary modules, etc.) are not eligible for return or refund. Only products
returned within 90 days from the date of original purchase are eligible for
refund/credit.
.
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Page 6
UPM 2000
In order to receive a partial refund/credit of a product purchase price on a serialized
product, the product must not have been damaged by the customer or by the carrier
chosen by the customer to return the goods, and the product must be returned
complete (meaning with all manuals, cables, accessories, etc.) and in “as new” and
resalable condition.
Products not returned within 90 days of purchase, or products, which are not in “as
new”, and resalable condition, are not eligible for credit return and will be returned
to the customer. The Return Procedure (see below) must be followed to assure
prompt refund/credit.
Restocking Charges
Products returned within 30 days of original purchase are subject to a minimum
restocking fee of 15 %. Products returned in excess of 30 days after purchase, but
prior to 90 days, are subject to a minimum restocking fee of 20 %. Additional
charges for damage and/or missing parts and accessories will be applied to all
returns.
Return Procedure
All items being returned (including all warranty-claim shipments) must be sent
freight-prepaid to our factory location. When you return an instrument to
Netech Corporation, we recommend using United Parcel Service, Federal
Express, or Air Parcel Post. We also recommend that you insure your shipment
for its actual replacement cost. Netech Corporation will not be responsible for
lost shipments or instruments that are received in damaged condition due to
improper packaging or handling. Use the original carton and packaging material
for shipment. If they are not available, contact Netech for replacement packing.
Returns for Refund / Credit
A Return Material Authorization (RMA) number must be obtained from our
service or customer service dept, before a product is returned for refund or
credit. The RMA number should be clearly marked on the package along with a
statement indicating the reason for return.
6
Netech Corporation
110 Toledo St, Farmingdale, NY 11735
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1-800-547-6547
Page 7
UPM 2000
Repair and Calibration
Products returned for repair or recalibration must obtain the service form which
can be down loaded from our website
Netech Corporation
Service Dept.
110 Toledo Street
New York, 11735
Tel: 1-631-531-0100
Email: [email protected]
WARNING
www.Netech.org/service or contact:
Unauthorizedusermodificationsorapplicationbeyondthe
publishedspecificationsmayresultinelectricalshock
hazardsorimproperoperation.NetechBiomedical
Corporationwillnotberesponsibleforanyinjuriessustained
duetounauthorizedequipmentmodifications.
Changesormodificationstothisunitnotexpresslyapproved
bythemanufacturercouldvoidtheuserʹsauthoritytooperate
theequipment.
7
Netech Corporation
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Page 8
UPM 2000
Safety Considerations
Use of this instrument is restricted to qualified personnel who recognize shock
hazards and are familiar with safety precautions used when operating electrical
equipment. Read the manual carefully before operating the UPM2000.
The following warning symbols may be found on the UPM2000:
Symbol
Caution: Risk of electric shock
Description
Caution: Refer to documentation
Power Off (Mains)
Power On (Mains)
DC/AC
DC
AC
Earth (Ground)
8
Netech Corporation
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1-800-547-6547
Page 9
UPM 2000
Hazard Warnings
∗ Warning! Power Rating. The UPM 2000’s mains power input must be connected
to an external power transformer that provides voltage and current within the
specified rating for the system.
Use of an incompatible power transformer may produce electrical shock and
fire hazards. See Specifications and Optional Accessories in Chapter 2.
∗ Warning! Internal Voltage. Always turn off the power switch and unplug the
power cord before cleaning the UPM 2000’s outer surface.
Warning! Liquids. Avoid spilling liquids on the analyzer; fluid seepage into
∗
internal components creates a potential shock hazard. Do not operate the
instrument if internal components are exposed to fluid.
Precautions
The following precautions are provided to help you avoid damaging the system:
∗ Caution: Service. Authorized service personnel should service the UPM 2000.
Only qualified technical personnel should perform troubleshooting and service
procedures on internal components.
∗ Caution: Environmental Conditions. Do not expose the system to temperature
extremes. Ambient temperatures should remain between 10-30°C operating or
5-40°C storage. System performance may be adversely affected if temperatures
fluctuate above or below this range.
∗ Caution: Do Not Immerse. Clean only with a mild detergent, and wipe down
with a gentle cloth.
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Page 10
UPM 2000
Based on the testing st andard s below,
this device bears the
Electromagnetic Interference and Susceptibility
USA FCC CLASS A
Warning: Changes or modifications to this unit not expressly approved by the
manufacturer could void the user's authority to operate the equipment. This
equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment
is operated in a commercial environment. Like all similar equipment, this
equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause interference, in which case the user will be
required to correct the interference at his/her own expense.
Canadian Department of Communications Class A
mark.
ThisdigitalapparatusdoesnotexceedClassAlimitsforradioemissionsfrom
digitalapparatussetoutintheRadioInterferenceRegulationsoftheCanadian
DepartmentofCommunications.
Emissions - CLASS A
The system has been type tested by an independent, accredited testing laboratory
and found to meet the requirements of EN 61326-1:1998 for Radiated Emissions
and Line Conducted emissions. Verification of compliance was conducted to the
limits and methods of the following:
CISPR 16-1:1993 and CISPR 16-2:1996
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Netech Corporation
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Page 11
UPM 2000
Immunity
The system has been type tested by an independent, accredited testing laboratory
and found to meet the latest harmonized European emissions and immunity
standard requirements of EN 61326 for commercial measurement equipment.
Verification of compliance was conducted to the limits and methods of the
following:
EN 61326-1 IAW EN 61000-4-2 Electrostatic Discharge
EN 61326-1 IAW EN 61000-4-3 Annex D Radiated & Conducted EM
EN 61326-1 IAW EN 61000-4-4 Electrical Fast Transient/Burst
EN 61326-1 IAW EN 61000-4-5 Surge Immunity
EN 61326-1 IAW EN 61000-4-6 Conducted Disturbances
EN 61326-1 IAW EN 61000-4-11 Voltage Interrupts
EC Directive 73/23/EEC Low Voltage (User Safety)
The system has been type tested by an independent testing laboratory and found
to meet the requirements of EC Directive 73/23/EEC for Low Voltage.
Verification of compliance was conducted to the limits and methods of the
following:
EN 61010-1
“Safety Requirements for Electrical Equipment for Measurement, Control and
Laboratory Use, Part 1: General requirements” (including amendments 1 & 2).
11
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Page 12
UPM 2000
12
Netech Corporation
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Page 13
1
UPM 2000
Chapter 1: General Information
Inside This Chapter
• Summary of Features
• Ultrasound and its Applications
• Patient Treatment with Therapeutic Ultrasound
13
Netech Corporation
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1-800-547-6547
Page 14
UPM 2000
Summary of Features
Netech’s UPM 2000 digital ultrasound power meter provides an accurate means of
verifying and calibrating the output of therapeutic ultrasound devices. The
instrument measures output through a strain gauge bridge transducer.
After the initial output is verified, the UPM 2000 is used to accurately calibrate the
ultrasound unit under test.
In addition, the UPM 2000:
• Has a resolution of 0.1 W and a repeatability of ±-3% of
readings ± .2 watts from 0 - 30 W;
• Maintains electrical accuracy of .01 grams throughout
range;
• Features a large, backlit, easy to read display that enables
the user to quickly and accurately make power
measurements;
• Can accommodate a variety of transducer shapes and sizes
without interfering with the measurement;
• Has a drain hose and stopper for convenient and
controlled drainage of the tank.
• Has a built in draft shield for improved stability in
readings.
• Measures total-pulsed or continuous-average power.
• Has a selectable readout in grams or watts.
• Can be battery operated or line-powered 120 VAC for
long-term sessions.
• Has an RS232 interface.
• Has a field calibration check.
• Is housed in a sturdy Kydex
• Is portable to meet the needs of service groups and
biomedical engineers.
• Comes with a soft carrying case as a standard accessory for
ease of transporting and storage.
®
case.
14
Netech Corporation
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1-800-547-6547
Page 15
UPM 2000
Ultrasound and Its Applications
Human perception of sound waves is limited to frequencies of fewer than 20,000
vibrations per second. Higher frequency vibrations — between 0.7 and 3.3 MHz —
are used for ultrasound therapy. (Most ultrasound equipment produces an output of
between 1 and 3.3 MHz.)
An ultrasound unit produces electrical oscillations at a specified frequency that cause
the transducer in the ultrasound applicator to generate sound waves. The resulting
ultrasonic radiation is transmitted from the ultrasound applicator, or treatment head,
through a coupling medium, to the patient’s tissue.
Therapeutic Use of Ultrasound
The therapeutic use of ultrasonic energy is accepted worldwide, and most
modern hospitals and clinics have ultrasound devices in their physical therapy
departments.
Ultrasound therapy is primarily used in the treatment of sports-related injuries.
Another common use is the treatment of circulatory disorders and rheumatic
diseases of the musculoskeletal system and peripheral nerves. Ultrasound has
been found to be extremely effective in treating body areas with a great deal of
scar tissue.
Physiological Effects of Ultrasound Therapy
It is well documented that ultrasound therapy heals because of thermal,
mechanical, and chemical effects. *
Thermal effects include deep tissue heating at depths to 5 cm or more. The thermal
effects of ultrasound differ from diathermy (the use of electrical impulses to
produce generalized vasodilation) in that the ultrasound beam heats only a small
tissue area that approximates the cross-section of the beam. This heating effect is
concentrated in muscles, ligaments, nerves, bones, and where the ultrasound
beam crosses from one type of tissue to another.
The mechanical effects are best described as micro massage, a deep stirring action
within the tissue. The benefit of this action is an increased circulation to the
damaged tissue. In addition, ultrasound is capable of separating collagen fibers
from one another and of changing the tensile strength of tendons, thereby
increasing their extensibility.
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UPM 2000
The physiological benefits from ultrasound therapy are numerous. Ultrasound
therapy affects the peripheral nerves by chemically changing the conduction
velocity (this has been shown clinically in situ). Ultrasound alters the diffusion of
Na+ and K+ (sodium and potassium) across red blood cell membranes.
Ultrasound can also remove some salt deposits from irritated tissues.
* Physical Agents for Physical Therapists, Second Edition, James E. Griffin and Terence Karselis, Charles C. Thomas
Publishing Co., 1992.
Patient Treatment with Therapeutic Ultrasound
The clinician working with ultrasound can ensure successful ultrasound treatment by
assessing:
λ the physical condition of the patient,
λ the absorption coefficient of the tissue(s),
λ the energy output of the ultrasound unit (continuous and pulsed),
λ the massivity and location of the affected tissue, and
λ the spread pattern of the beam.
The most essential assurance that the clinician can have is the verification that the
ultrasound unit is producing the ultrasound energy for which it was designed. The
Netech UPM 2000 digital power meter enables the clinician to accurately measure this
output energy.
16
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1-800-547-6547
Page 17
UPM 2000
Chapter 2: Description
Inside This Chapter
• Specifications
• Overall Unit Layout
• Front Panel Description
• Back Panel Description
• Standard Accessories
• Optional Accessories
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Page 18
UPM 2000
UPM 2000 Specifications
Measurement range 0.1 to 30 Watts
•
• Input Power Level 0 - 30 W
• Input Frequency 0.5 - 10 MHz
• Resolution 0.1 W
• Accuracy, electrical +/- .15 W (+/-.01 grams)
throughout range
• Repeatability ± 3% of reading ± .2 watts
• Zero Shift Auto Zero button
• Acceptable Transducer Size up to 6.7 cm (2.65") diameter
• Operating Temperature 10
• Power Requirements 9 V alkaline battery
(Duracell
equivalent)
0
- 300 C (500 - 860 F)
®
MN1604 or
• Battery Life Maximum of 10 hours
Note: Unit will auto shut down after approximately 10 minutes of
inactivity when on battery power. (A 12-volt DC 300 mA transformer unit
is a standard accessory for longer-term test sessions) Refer to page 26.
λ Dimensions 9” wide x 14 ½” deep
λ Height 7 ½” (10 ¾” with Clamp Post)
λ Case Kydex
®
Unit Layout
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Page 19
UPM 2000
Overall Unit Layout
Rear panel
Clamp
Support Post
Cone Hanger
Leveling
Bubble
Sound Tank
Figure 2-1: UPM 2000 General Layout
The top of the UPM 2000 Ultrasound Power meter is shown in Figure 2-1. It
includes the following components.
Transducer Cone
Front Panel
• Front Panel: Includes LCD readout and keyboard.
• Rear Panel: Includes Battery compartment, RS-232 Connector and
Power Transformer Jack.
• Sound Tank: To be filled with 600ml ± 50 ml of degassed and deionized water for each use.
• Transducer Cone: The cone is removable for safe transporting.
• Leveling Bubble: Used to help level the unit before turning it on.
Leveling Jacks: Used to adjust the unit to a level position. (Figure 2-4)
• Universal Transducer Clamp Support Post: A removable vertically
mounted bar that the transducer clamp is attached.
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UPM 2000
Front Panel Description
Figure 2-2: UPM 2000 Front Panel Layout
The front panel of the UPM 2000 ultrasound power meter is shown in Figure 2-2.
It includes the following components:
• LCD Display: Indicates the meter reading in watts or grams.
• Power On/Off Switch: Turns the power provided by an alkaline
battery (or transformer) on and off.
• Auto Zero Button: Adjusts the LCD display to 00.0 watts or 0.00
grams depending on the mode selected.
• Mode button: Switches the mode from watts to grams and back.
• Print Button: Sends the text on screen to the RS-232 port for
printing or recording
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UPM 2000
Back Panel Description
The back panel of the UPM 2000 is shown in Figure 2-3. It includes the following
components:
• Battery Compartment: Allows access to the instrument's 9 V dc
battery. The hinged plastic battery cover opens to expose the battery
compartment during battery replacement. This cover should remain
closed during normal operation of the instrument.
• Wall Transformer Jack: When using the wall-mounted transformer,
simply plug into a receptacle.
Drip Shield
RS-232 Port
Transformer Jack
11-21 Vdc only!
Figure 2-3: UPM 2000 Back Panel Layout
• RS-232 Port: To connect to a computer or a printer, use RS 232 cable
PN: 1200-B-232.
Clamp Support
Post
Battery
Compartment
• Drip Shield: A drip shield is also provided to minimize the risk of
water spillage from getting into the electrical connections. However,
care should be exercised to minimize the amount of water spilling
down the rear panel.
• Calibration weight size: The unit can be calibrated with a 50, 100 or
200 gram weight. A 100 gram test weight is provided.
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Page 22
UPM 2000
Bottom Panel Description
The bottom panel of the UPM 2000 is shown in Figure 2-4. It includes the
following components:
• Leveling Jacks: There are three support legs located on the bottom
panel, two of which are threaded to be able to act as leveling jacks for
the height adjustment to level the unit.
• Drain Hose: The drain tube is stored in a clip on the bottom of the
unit. This drain is used to empty the unit when testing is complete.
Refer to Chapter 3 for details on usage.
Drain Hose
Leveling Jacks
Tank Overflow Drain Slots
Non-Adjustable Leg
Figure 2-4: UPM 2000 Bottom Panel Layout
• Tank Overflow Drain Slots: In the event that excess water is poured
into the sound tank, water will be directed down the sides of the tank
and will exit through these slots onto the lab bench, thus preventing
water from getting into the electronics.
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UPM 2000
Standard Accessories
• Transducer Clamp: The clamp frees the operator from holding the
transducer head in the transducer well during testing.
• Centering Rings: Rings used to help ensure that transducers are
centered and aimed at the cone properly. This is important for
accurate readings.
• Power Transformer: An AC wall mounted transformer is provided
for extended testing. The installation of this transformer will
bypass the battery and allow the unit to stay powered on for
extended use.
• Calibration Check Weight: A 100 gram OMIL class M1 weight is
included. This to be used to ensure the unit is operating properly
and is in allowable calibration range.
• Calibration support ring: This ring provides a platform for the 100
gram check weight when checking the unit's calibration and
performance.
• Carrying Bag: A soft bag used for safely transporting and storing
the unit.
• Shipping Container: This box contains specifically designed foam
inserts to ensure safe shipment of the UPM 2000 Power meter.
Please save these for future shipment of the unit for service or
calibration.
Note: The Carrying Case is an integral piece of the shipping container. Ship
with the carrying case in its original packing. See Chapter 4- Repackaging and
Shipping.
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UPM 2000
Optional Accessories
• Dissolved Oxygen Test Kit: Tests the dissolved oxygen content of the
degassed water. To order this kit, request Netech PN 1200-O2KIT.
• RS-232 Cable: Used for hooking the unit up to a computer or a serial
printer. PN 1200-B-232
• Transformer Unit:
Output: 12V
Input:
Description Part Number
120V~/60 Hz USA 2-Pin UL/CSA
220 V~/50 Hz Euro 2-Pin CE
220 V~/50 Hz UK 3-Pin CE
100 V~/60 Hz Japan 2-Pin
220 V~/50 Hz AUS/NX 2-Pin T-Mark
DC 300 mA
1200-B-AC1
1200-B-AC2
1200-B-AC3
1200-B-AC4
1200-B-AC5
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Page 25
UPM 2000
Chapter 3: Installation & the Operating Environment
3
Inside This Chapter
• Unpacking and Inspection
• Operation
• UPM 2000 Systems Check
• Beginning Ultrasound Power Measurements
• Using the Universal Transducer Clamp Assembly and
Centering Rings
• Ultrasound
• Using the RS232 Port
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Unit Testing
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25
Page 26
UPM 2000
Unpacking and Inspection
When you receive the UPM 2000, inspect the shipping carton for damage. If the
shipping carton is damaged, unpack the instrument and note any dents and scratches
on the UPM 2000. Immediately notify Netech that the UPM 2000 was damaged in
shipping. Netech will arrange repair or replacement of your instrument without
waiting for settlement of the claim against the carrier. Retain the damaged shipping
carton and packing material for the carrier’s inspection.
Be sure to save the box and packing materials. They will be needed when you return
the UPM 2000 to Netech for recalibration or future service. (Refer to Chapter 4 for
shipping instructions.)
If there is no shipping damage, continue removing the carrying case, with the UPM
2000 in it, from the shipping case. Then
accessories that are shipped with every UPM 2000:
• Warranty card (1)
• UPM 2000 Operator’s Manual
(1)
• Transducer Cone
check the carrying case for the following
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UPM 2000
• Cone Hanger
• Clamp Support Post
• Universal Transducer
Clamp
• Hook Clamp
• 100 gram calibration ch k weight
• Calibration weight adapter pedestal
• Centering Rings (3)
• 9 Volt Battery
• Power Transformer
ec
• CarryingCase
27
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Page 28
UPM 2000
Operation
When operated according to the instructions given in this chapter, the UPM 2000
digital ultrasound power meter will quickly and accurately measure the energy
output of ultrasound d i
Operating Environment
The UPM 2000 must be allowed to adjust to room temperature before the unit can be
operated. The relative humidity in the room should not exceed 90%.
ev ces.
Refer t
requir
Precautions
o Chapter 4 for additional information on safety, storage and shipping
ements for the UPM 2000.
When using the UPM 2000 to test ultrasound devices, follow the safety
precautions outlined b
• Do not use any coupling medium other than degassed and distilled water.
Use of improper media can lead to reading variations of up to 10%.
• Do not spill water on the front or rear panel.
• Do not apply more than 30 W of input power to the UPM 2000.
• Do not operate the UPM 2000 for more than 1 hour during testing. Change
water after 45 minutes of use.
• Remo
• Drain the unit completely after each test session.
ve and dry the cone when the test is complete.
y the ultrasound manufacturer.
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Page 29
UPM 2000
Preparing the Distilled and Degassed Water
Distilled and degassed water must be used as the coupling medium to obtain stable
and accurate readings with the UPM 2000. The water must also be allowed to reach
room temperature before pouring into tank in order for unit to stabilize quickly.
Use the following procedure to obtain the best coupling medium:
1. Use a Distiller to distill tap water or purchase distilled water.
2. Boil the distilled water for 30 minutes in a clean glass flask. This will force
the oxygen and nitrogen from the water. Bottle the water as soon as possible.
3. Select some small glass bottles with good seals for storing the water. Glass
canning jars work well.
4. Siphon the boiling degassed water into the bottles and fill each bottle to the
brim. Leave no air space in the bottle.
5. Cap the bottles immediately.
6. Allow the water to cool in the bottles. As the water cools, it will contract and
a vacuum will be formed if the bottles have been properly sealed. Allow the
water to cool to room temperature.
7. Label and date each bottle. The degassed water should remain good for a
long time if the seal is not broken.
8. Test each bottle for oxygen content before it is to be used.
The oxygen content should be less than 2 ppm.
Dissolved oxygen test kits are available from Netech.
(PN: 1200-B-O2KIT).
Note: When the bottle is opened and exposed to air, it can be used during the
following 45 minutes. Exposure to air makes this water lose its excellent
coupling property; therefore, the bottles should not be opened until tests with the
UPM 2000 are ready to begin. Be sure to allow water to come to room
temperature before use.
29
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UPM 2000
UPM
2000 Systems Check
1. Level the unit using the two adjustable feet in the front of the base of the unit.
The unit is level when the bubble is centered. Inspect the transducer cone for
Cone Top
Cone Mounting
Hole
dents and clean if needed. Do not use a dented cone. Incorrect readings may
result. Inspect the cone hanger to verify that the hanger is not bent or distorted.
Check by laying the hanger flat on a table.
ensure that the hanger lays flat. Insert the cone hanger into the protruding post
e
ol s. Carefully install the cone on the transducer mount pin on the cone hangerh
as shown below.
Make minor adjustments as needed to
Cone
Mounting Pin
2. If a transformer is to be used, plug it into the jack located at the
3. Allow sufficient time for the UPM 2000 to fully adjust to room temperature. If
4. Obtain a bottle of the distilled and degassed water prepared following the
lower left rear of the unit. Then plug the transformer into a wall
socket.
Note: There are transformers available for all plug and voltage
configurations, which can be ordered separately.
Transformer Unit Power Jack
the unit is not at room temperature, the transducer will be slowly warming or
cooling and will cause the readings to shift.
procedures discussed earlier in this chapter, Preparing the Distilled and Degassed
Water. Be sure that the water is at room temperature before continuing with set
up.
30
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UPM 2000
5. Open the bottle of degassed water. When the vacuum seal is broken you should
be able to hear it. If y
ou do not hear or feel the vacuum, discard the water.
6. Use a Dissolved Oxygen Test kit to ensure
less than 2 ppm.
7.
Fill the tank with 600 ml ± 50 ml of fresh distilled and degassed water. Do not
spill water on the panel of the UPM 2000. Fill until the water reaches slightly
above the bottom lip of the well, as shown below.
Immediately replace the cap on the coupling water bottle.
Not een allowed to completely com room te re.
e: Be sure the water has b e to mperatu
If the water temperature is lower or higher than the unit and room temperature, it
will be difficult, if not impossible, for the unit to
Water Fill
el
Lev
achieve a stable zero setting.
that the oxygen content of the water is
Make sure air bubbles
like these are removed.
8. Insure that there are no air
bubbles on or under the
transducer cone and stuck to
the rubber sound absorber
surrounding the cone in the
tank. Air bubbles may induce some reading errors due to buoyancy changes
the transducer cone, erratically bouncing so
directions or away from the sound absorber.
of
me of the sound beam in the wrong
31
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UPM 2000
easiest way to ensure that there are no bubbles under the cone is to lift the c
The one
hanger out of the post mount and tip it to the side. As a final measure, gently swish
Trapped r
Bubbles
Beg r Measurements
Ai
the unt. This will allow any
cone side to side before re-seating it on the post mo
tra
pped air to escape and also allow for a visible verification.
9. Turn the unit on and allow 5 minutes for the electronics to warm up and becom
stable.
inning Ultrasound Powe
Measurements
Place the transducer in the coupling medium partially submerged so that the head is
1.
facing directly downward. Use the centering ring and clamp as needed so that the
transducer is ex
centering rings below). If the transducer is off center, or not aligned vertically, the
reading may be low and out of tolerance. The transducer head should be completely
coupled with the distilled and degassed water and there should be no bubbles
beneath the radiating head of t
actly centered and is vertical (see section on universal clamp and
he transducer.
e
Note: The coupling wate
minutes or when the rea
distilled and degassed
minutes to 1 hour.
rn on the UPM 2000 using the ON switch on the2. Tu front panel. Ensure that the unit
is in the Watts mode (displayed units will read 0).
r in the transducer well must be changed every 45
dings become unstable. A bottle of opened
water will only be usable for approximately 45
32
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Page 33
UPM 2000
3.
Allow five minutes for the unit to warm up and stabilize before starting the
readings. Once the unit is warmed up, set the digital reading to 00.0 by pressing the
AUTO ZERO button. This may take several tries until the unit settles down. Avoid
any vibration or movement of the test head, since the unit is VERY sensitive. If the
unit cannot be zeroed, refer to the Troubleshooting in Appendix A.
4. Turn on the ultrasound unit following the manufacturer’s instructions. Adjust it to
the desired level. Never exceed thirty watts.
5. Read the actual output power in WATTS on the LCD of the UPM 2000.
6. After all of the readings are completed, shut off the ultrasound unit.
7. Rem
8.
ove the water from the transducer well when the measurements are complete.
ing the drain tube located in the bottom front, completely drain the well. Remove
Us
the drain tube from its storage clip. Holdin
tube just in front of the stopper with one hand while pulling the stopper out wit
other. Remove the stopper and allow the water to drain comp
to fully drain the unit when testing is co
and other potential water related damage.
Dispose of any water left in the opened bottle of degassed and distilled water. The
water will absorb oxygen over time, render
g the tube end over a container, pinch the
mplete. This will prevent bacterial growth
ing it ineffective as a coupling medium.
Remove the tube from its clip and raise
the tube end. Remove drain cap using a
combination of pinching the tube just
below the cap and a twisting motion.
Once the cap is removed keep the tube
pinched until the drain tube is in the
container. Move container below the unit
until an
d let the water flow out.
h the
letely. It is important
33
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UPM 2000
Using
the Universal Transducer Clamp Assembly and Centering Rings
The universal transducer clamp assembly frees the operator from ho
transducer treatment (radiating) head in the coupling water and prevents transducer
movement, ensuring more accurate and stable readings. The centering rings help to
properly center and aim the transducer head in the tank.
1. Screw the clamp support post on the screw stud located at the rear of
the unit. Securely tighten by hand. Do not use pliers to tighten post.
2. Center the transducer clamp assembly over the transducer well, as
shown, using the hook clamp to tighten it into place.
Hook Clamp
lding the
3. Place a centering ring, with the hole sized to fit the transducer, on
top of the well. The centering ring helps assure that the sound head
is properly centered and aimed vertically toward the transducer
cone. If there ole size, one
can be cut to t ged hole is
centered in the
4. Loosen the side screw of the clamp assembly so that clamp rotation is easy,
and roughly c ucer well for vertical
transducers w n it such that it aligns
with the transducer handle (as shown in Figure B below).
are no centering rings with the proper h
he proper size. Just be sure that the enlar
ring.
enter the clamp opening over the transd
ithout handles (as shown in A), or positio
34
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UPM 2000
Figure A
Clamp orientation
transducer without
5. Open the clamp by turning the clamp thumbscrews counterclockwise to fit
the desired transducer head or handle.
6. ucer head or handle.
Tighten the clamp screw to effectively grab the transd
Make sure that the transducer radiating head (or crystal) remains completely
submerged in the coupling water.
handle
Figure B
Clamp orientation
transducer with
handle
7. Re-center the transducer head directly over the middle of the transducer well
using the centering ring to assure alignment for accurate readings. Make
sure the transducer surface is entirely in the coupling medium. The
transducer head should be completely coupled with the distilled and
degassed water and there should be no bubbles beneath the radiating head of
the transducer. Any bubbles beneath the transducer head will create a low
reading.
∗ Caution
Do not ship the power meter with the transducer clamp assemb
mounted on the unit, or the cone and hanger still in the unit.
to the unit will result and the warranty will be void.
ly
Damage
35
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UPM 2000
Ultrasound Unit Testing
Use some form of performance record labels or sheets for record keeping during
testing.
Testing Using Discrete Values (Method I)
1. Follow the procedures in this section on operating the UPM 2000. Review the
cautions.
Pre
2. Af ance label to the ultrasound
3
4. Measure the output on the UPM 2000.
5. Record the UPM 2000 reading under Actual Output in Watts
Tes
When t red.
This en t the
patient
1.
2. Affix a pe
3. Adju
4. Reco
fix a record perform
Set the Ultrasound Unit on discrete values such as 5, 10, 15 or 20.
. Record these values under Ultrasound Setting
performance label.
ting Using Exact Meter Settings (Method II)
his method is used, an exact meter setting is obtained for each power desi
ables the physical therapist to select exactly the ultrasound output tha
requires.
Follow the procedures in this section on UPM 2000 operation. Review the
Precautio
ns.
rformance label to the ultrasound unit.
st the ultrasound unit to read a desired value on the UPM 2000.
rd the Ultrasound Setting and the actual UPM 2000 reading on the label.
unit.
on the label.
on the
sing the RS232 Port
U
The UPM 2000 is equipped with a standard 9-pin female RS-232 port located at the
rear of the instrument. A serial printer or a computer may be connected to the UPM
2000 via this port. Printing with the UPM 2000 means that the LCD contents are sent
to the printer whenever the Print key on the UPM 2000’s front panel is pressed.
Netech Corporation
110 Toledo St, Farmingdale, NY 11735
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36
Page 37
UPM 2000
Connecting to a Computer
Using a computer in conjunction with the UPM 2000 r
following steps:
1. Be certain that the power is off on both the computer and
2. Attach the UPM 2000 to the comput
1200-B-232) or its equivalent.
3. puter, and then the UPM 2000.
4. You will need software in order to communicate with the UPM 2000.
5. Configure the software’s communications settings for the port you are
6. What happens next depends upon the specific
Communications Protocol
Turn on the com
Terminal emulation software such as W
software may be used.
using to a baud rate of 1200 bps, 7 data bits, odd parity, 1 stop bit, and
select “
computer software’s documentation or seek help for the correct
procedure
Refer to its documentation for operating procedures. If you are cr
software to interface with the UPM 2000, refer to the protocol information
below.
hardware handshaking” if that setting is available. Refer to your
.
er using a serial interface cable (PN:
indows Hyper Terminal
software you are using.
equires the
UPM 2000.
TM or
custom
eating
Commu
commands that may be sent to the UPM 2000 in the form of two byte 7-bit
ASCII strings:
Escape P returns the current LCD contents as 22 characters including
terminating return and linefeed characters.
Escape T zeroes the UPM 2000 display but returns no characters.
nication with the UPM 2000 is full duplex. There are two
37
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UPM 2000
38
Netech Corporation
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UPM 2000
Chapter 4: Safety, Maintenance & Storage
4
Inside This Chapter
• Recommended Procedures and Precautions
• Calibration Check Procedures
• Maintenance
• Service
• Returning the UPM 2000 for Calibration
• Battery Replacement
• Storage
• Repackaging and Shipping
39
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UPM 2000
Recommended Procedures and Precautions
When using the UPM 2000 to test ultrasound devices, follow the safety precautions
specified by the ultrasound manufacturer.
Do not use any coupling medium other than degassed and distilled
water.
Do not spill water on the front or rear panel.
Do not apply more than 30 W of input power to the UPM 2000.
Do not operate the UPM 2000 for more than 1 hour during testing.
Change the water between extended tests.
Calibration Check Procedures
UPM 2000 calibration can be verified using the 100 gram weight supplied with the
unit to insure that the unit is in good working order. This procedure is NOT
intended to substitute for a regular calibration. The weight supplied is an OMIL
class M1 weight that will weigh between 99.7 and 100.3 grams.
Calibration Weight
Adapter Pedestal
1. The unit should be off at the beginning of this procedure. Remove
the cone. Place the calibration weight adaptor pedestal on the
cone-mounting pin. This provides stable platform upon
which the 100 gram check weight will be placed.
2. Turn the unit on and allow it to warm up for 5 minutes.
3. Press the MODE button until the unit displays in grams.
4. Zero the display.
5. Place the calibration check weight on the pedestal. Allow the
reading to settle down for 30 seconds to 1 minute. Take the
reading.
Netech Corporation
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100
Gram Weight
40
Page 41
UPM 2000
6. Remove the calibration check weight. It is normal for the unit to
take 30 seconds to 1 minute to completely return to zero.
7. If the reading is 98.3 to 101.8 grams, the unit is in good working
order. If the unit is outside of this range, the unit should be
returned for repair and/or calibration.
Maintenance
Maintenance of the UPM 2000 power meter is straightforward, requiring little more
than keeping it clean. It is important to keep dust and dirt out of the transducer tank.
Rinsing the tank with clean water before use, along with proper storage in the
carrying case, is all that is required. It is also important that the cone and hanger be
removed and stored in the carrying case after use.
Do not use
light detergent and non-abrasive cleaning pad is acceptable on the exterior of the
unit.
Service
The mechanical assembly of the UPM 2000 contains no parts that can be serviced
by the user. The unit should be returned to Netech Biomedical for repair or
calibration. The alignment and adjustment parameters are critical to the
performance of the UPM 2000 and can be performed only at the factory or
designated distributor.
For service, pack the UPM 2000 according to the Repackaging and Shipping instructions
in this chapter. Failure
Call Netech Customer Service at 1-800-547-6547 (U.S.) or 1-631-531-0100
(International) for shipping instructions.
any type of cleaner in the tank or on the transducer cone. The use of a
to do so may void warranty.
41
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UPM 2000
Retur
ning the UPM 2000 for Recalibration
The UPM ed
to Netech. Call Netech Customer Service at 1-800-547-6547 (U.S.) or 1-631-531-0100
(Interna and shipping instructions.
For reca ing
procedu
2000 should be recalibrated annually. The instrument should be return
tional) to obtain a Return Authorization Number
libration, pack the UPM 2000 according to the Repackaging and Shipp
res outlined in this chapter. Failure to do so may void warranty.
Battery Replacement
When the display blinks sever
turned on, the battery is low and should be replaced. Be aware that when
the unit is running on battery, it will shut down within 8-10 minutes
automatically, when not being actively used. If the battery is low, it will
shut down within seconds of turning on. The alkaline battery (9 V
Duracell MN 1604 or equivalent) must be replaced or alternatively a wall
mounted transformer unit may be used. To replace the battery,
hinged plastic b
battery compartme
attery cover on the instrument's back panel to expose the
Storage
al times and turns off shortly after it is
open the
nt. Replace the battery, and close the battery cover.
The UPM 2
free of vibr
unit. The storage environment should be fr
The UPM 2000 must have the cone removed and be fully drained for
storage. Permanent damage may result if this is not done.
The UPM 2000 can be stored under the following environmental
conditions:
Temperatu
Humidity: tive humidity
The UPM 2000 densation within th
vapors.
000 must be stored in an upright position on a flat surface that is relatively
ation. T e unit should be stored in the carrying bag supplied with the
h
ee of dust and other foreign particles.
re: 5
up to 90% rela
should be protected from temperature extremes that can cause con
O
-40O C (41.3O -106.4O F)
e unit and should be stored away from corrosive fumes and
42
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UPM 2000
Repackaging and Shipping
When the UPM 2000 is shipped to Netech for service or repair, the unit must be
shipped in the original packing and carrying case; other forms of commercially
available packing are not recommended and can void the warranty.
If the original p
packing.
Repackage the
Transformer Shipping
Box Pocket
Universal Transducer
Clamp
Clamp Support
Post
acking has been damaged or lost, contact Netech for replacement
instrument according to the following procedures:
Figure 4-1
Clamp Hook
Figure 4-1
Calibration Check
Weight
Calibration We
Adap
ter Pedestal
Centering Rings
Cone Hanger
ight
Unplug the wall transformer from the unit, if used. Store it in its bo
the left pocket, as shown in Figure 4-1.
Remove the u
Store in front pocket of carrying bag along with the hook clamp.
Remove all the centering rings from the ta
from the tank. Store the centering rings and cone hanger in r
pocket of the carrying bag.
Unscrew the transducer clamp support bar. Store it in front pocket of the
carrying bag.
niversal transducer clamp from the clamp support post.
nk. Remove the cone hanger
ight side
x in
43
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UPM 2000
Wrap the cone in bubble wrap and store it in the tank.
Strapping
down of
load cell
shipping
for
the
Use m
shipping. Failure to due so will void the warranty a
damage to the unit.
asking tape or equivalent to secure the load cell for
nd cause
Place the UPM 2000 into the carrying bag.
Make sure all accessories are in their individual compartmen
cover flaps are closed in the carrying bag with the exception of
Transducer Cone.
Use at least
3 in.
dow
side
securely.
ts and the
the
of tape
n each
to hold
Protective Foam
Place the gray foam padding insert around the UPM 2000 unit in the
carrying bag as shown in Figure 4-2.
Zip the canvas bag cover closed.
Carrying Case Operator’s Manual
Figure 4-2
44
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UPM 2000
Pack the UPM 2000 in its original packing material and shipping box.
FAILURE TO USE THE ORIGINAL PACKAGING MATERIAL MAY
RESULT IN DAMAGE TO THE UNIT AND VOID THE WARRANTY!
Proper placement of the foam inserts when re-using the original packaging
Before the UPM 2000
in the following checklist:
Obtain a Return Authorization Number from Netech’s Service Department
(1-800-547-65
Write the RMA number on, or near, the shipping label.
Include a statement of what is required of the Netech Service Department.
State whet
Include a tag that specifies the Return Authorization Number, the full
model number and the serial number.
Provid phone number, and email (if
applicable), should there be any questions.
Insure the UPM 2000 for its full value.
Mark the shipping box clearly as FRAGILE.
ws indicating THIS END UP.
Mark the shipping box clearly with arro
is returned to Netech, make sure you have addressed each item
47 U.S.; 1-631-531-0100 International).
her the unit requires calibration, cleaning, or repair.
e Netech with a contact name, tele
45
Netech Corporation
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1-800-547-6547
Page 46
UPM 2000
46
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UPM 2000
Appendix A: Troubleshooting Guide
A
47
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UPM 2000
The UPM 2000 will display an error code if improper use or an abnormal condition is detected.
Consult the following table for possible error codes, the probable cause, and corrective action.
Error
Code
uL Indicates that an under-load is sensed.
This error usually occurs when neither
the cone nor the calibration weight
adapter pedestal is in place on the load
cell.
oL Indicates that there may be an
excessive force applied to the load cell.
E-02 Usually the result of the unit being
exposed to excessive vibration, draft,
or unstable environments during
calibration.
E-10 Indicates that an attempt was made to
zero the display with a value stored in
memory. This error code will appear if
the AUTO ZERO key is pressed
momentarily while there is a
measurement stored in memory.
Description Corrective Action
Replace the cone, or if calibrating,
place the calibration weight adapter on
the cone-mounting pin. The condition
may also indicate defective electronics
or load cell. If the condition cannot be
cleared, return the unit to the factory
for service.
Remove excessive load from the load
cell immediately. If this condition
occurs without any weight on the load
cell, this indicates either defective
electronics or a damaged load cell.
Turn the unit off and back on again to
see if the error clears. If the error
repeats, the unit must be returned to
the factory for service. If this error
occurs during a calibration check with
the 100 gram check weight but the unit
seems to read normally without the
weight on, this indicates that the unit
needs to be recalibrated. The onboard
processor only allows readings up to
5% over 200 grams. The processor will
display the oL error code for any
readings above this range.
Move to a more stable work surface
and/or improve environmental
conditions. Before initiating the
calibration process, wait until a stable
zero is displayed.
The memory function is not relevant to
the UPM 2000; however, memory must
be cleared. Press and hold the ON
button until a beep is heard, then press
the ZERO/PRINT button momentarily.
This action will clear memory and the
display and will restore normal function.
48
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UPM 2000
Error Description Corrective Action
Code
E-11 Indicates an attempt to store a
measured value when the displayed
value is zero. This error code will
appear momentarily if the ON button is
pressed after the instrument is turned
on.
E-54 Appears on the display when the unit is
powered on if the electronics are no
longer within factory-set parameters.
Probable causes include:
An object was dropped onto the
load cell.
The Unit was dropped.
The load cell was damaged while
the cone was being removed from
or placed on the cone-mounting pin.
SYS.Err
This symbol displayed in the upper left
corner of the display indicates a serious
problem. Possible causes include:
Something is causing the load cell
to function out of specification.
Rough or improper handling of the
unit.
Liquids or other materials spilled
onto the electronics.
In its or
a secondary function of the ON button
was to add the current measurement to
the value stored in memory. This is not
applicable to the UPM 2000 and may
be ignored. Turn the UPM 2000 off,
then on to restore normal function.
Return the unit to the factory service
center.
Return the unit to the factory service
center for evaluation and repair.
RS-232 Port
Communication failures between the UPM 2000 and a printer or a PC are usually caused by the
serial cable or incorrect parameter settings. Troubleshoot as follows:
iginal application as a balance,
1. Verify that the correct serial cable is being used. The correct cable is Netech PN: 1200-B232 or equivalent 9-pin “straight-through” male-female cable.
2. If attempting to communicate with a PC, verify that the serial cable is connected to the
desired port and that the port settings are 1200, 7, N, 1.
3. If attempting to interface with a printer, check the printer’s settings.
Netech Corporation
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49
Page 50
UPM 2000
Other Problems
Unit does not return to 0.0 +/- .1 watts after taking readings.
Allow at least 10 seconds for the reading to return to zero. There is a lag in the
readings due to potting on the strain ga
u
ges.
There is a possibility that air bubbles h
slight change in the buoyancy. Ge
lightly tap the sides of the unit while tip
a
ppear to be removed.
If allowing 10 seconds more does not all
unit and water have probably not fully t ualized. Allow the unit to
sit while turned on for at least
again. Repeat the 10-minute settling tim
eadings do not stabilize and slowly decrea
R
This condition usually indicates that the
should be replaced with fresh water. Wh
bubbles tend to build up in the sound be
from the cone, thus lowering the reading
Unit fails to power up or battery drains quic
Verify there is a fresh 9V Battery in the U
approx. 10 hours’ operation this indicate
the unit to Netech Biomedical, for Factor
power, the unit will automatically shut o
power if not in use.
ntly sp
10 more m
e collected under the cone causing a
av
in the cone to help dislodge them and
ing the unit on edge until all air bubbles
p
ow reading to return to zero, then the
emperature eq
inutes then re-zero the unit and try
e if zero drift persists.
se.
water has absorbed too much air and
en too much air is in the water, air
am and bounce some of the sound away
.
kly.
nit. If the Battery fails to hold up for
s a problem with the electronics; return
y Service. Remember, when on battery
ff after 8-10 minutes to save battery
Use the recommended power transforme ils
to power up or the transformer runs ho
electronics. Return the unit to Netech
Numbers appear to the left of the di
Should a digit (such as 1, 5, 6, or 7) followed by a decimal point show up toward
the left side of the display (possibly fol
by decimal points, you have inadverte
your unit’s calibration and communica
Netech Biomedical Service Cent
Menu Codes without affect
warranty.
splay.
er 631-53
ing the opera
r to power the unit. If the unit still fa
t, this indicates a problem with the
omedical for Factory Service.
Bi
wed by one or two other digits followed
lo
ly entered into Service Menu Codes, and
nt
ons setups could be affected. Call
ti
1-0100 for how to get out of the Service
tion of your UPM 2000 and voiding the
50
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