Atlantic Ultraviolet Zenith Troubleshooting guide

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Document No. 98-1761A1 • September 2019 • ©2019 Atlantic Ultraviolet Corporation®
Operation & Maintenance
Read and Follow All Safety Instructions. Save These Instructions.
Extensive Product Information Available at:
Ultraviolet.com
BuyUltraviolet.com
Owner’
s Manual
Owner’
s Manual

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TABLE OF CONTENTS
SAFETY WARNINGS .......................................................................................................................................................................3
SAFETY INSTRUCTIONS .............................................................................................................................................................. 3
SAFETY LABELING........................................................................................................................................................................ 3
CAUTION...........................................................................................................................................................................................3
PRODUCT APPLICATIONS ...........................................................................................................................................................4
ConstruCtion.................................................................................................................................................................................. 4
PRINCIPLE OF OPERATION ........................................................................................................................................................5
General operation......................................................................................................................................................................... 5
MonitorinG uV-C GerMiCidal laMp intensity & aGinG............................................................................................................... 5
MeasurinG uV-C GerMiCidal Fixture leakaGe ............................................................................................................................ 6
MAINTENANCE...............................................................................................................................................................................7
General Care oF ZenithTM uV-C deteCtor.................................................................................................................................. 7
Battery replaCeMent..................................................................................................................................................................... 7
TECHNICAL SPECIFICATIONS...................................................................................................................................................7
USER ASSISTANCE ......................................................................................................................................................................... 8
patent notiCe.................................................................................................................................................................................8
WARRANTY & PRODUCT REGISTRATION .............................................................................................................................8
These instructions generally describe the operation and maintenance of the Zenith™UV-C Detector. Questions that
are not specically answerable by these instructions should be directed to the factory. Atlantic Ultraviolet Corporation®
takes all possible precautions when packaging equipment to prevent damage. Carefully inspect and report all damages.
Do not install damaged equipment. Follow all instructions on any labels or tags. Carefully inspect all packing
materials before discarding to prevent the loss of accessories, mounting hardware, spare parts or instructions.
The information and recommendations contained in this publication are
based upon data collected by the Atlantic Ultraviolet Corporation®and are
believed to be correct. However, no guarantee or warranty of any kind,
expressed or implied, is made with respect to the information contained herein.
Specications and information are subject to change without notice.

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SAFETY WARNINGS
• All personnel should be alerted to the potential hazards indicated by the product safety labeling on this unit.
• The following conventions are used to indicate and classify precautions in this manual and on product safety labeling. Failure to
observe precautions could result in injury to people or damage to property.
!
This is the safety alert symbol. It is used to alert you to potential personal injury hazards.
Obey all safety messages that follow this symbol to avoid possible injury or death.
SAFETY INSTRUCTIONS
To guard against injury, basic safety precautions should be observed, including the following:
1. Read and follow ALL safety instructions.
When using this device to check a UV-C source, avoid exposure to direct or reected
germicidal ultraviolet rays. Germicidal ultraviolet rays are harmful to the eyes and skin. Wear face, hand, and eye
protection and cover any skin that may be exposed to direct or reected germicidal ultraviolet rays.
2. Intended for indoor use only.
3. Do not alter design or construction.
4. Do not use this device for other than its intended purpose, as described in this manual.
5. When using this device to check a UV-C source, be aware that the germicidal ultraviolet rays
produced by the lamp may break down plastic, rubber, or other non-metallic materials with inadequate resistance
to ultraviolet.
6. Do not remove any labels.
7. Read and follow all notices and warnings on the device.
8. Do not subject the device to extreme temperatures, humidity, shock, dust, or water.
9. Keep the UV-C photodiode detector clean, free of dirt, oil etc. and avoid scratching or damaging the detectors face.
10. SAVE THESE INSTRUCTIONS.
SAFETY LABELS CAUTION
Caution Label: Wear Eye Protection
When Checking UV Light Sources
It is the user’s responsibility to determine and validate the suitability
of this equipment for use in the user’s system or process.
No warranty or representation is made by the manufacturer with
respect to suitability or performance of this equipment or to the results
that may be expected from its use.
The user should periodically inspect, clean as necessary and conrm
the presence and good legibility of the product safety labels. Contact
the factory for replacement labels in the event that any of the labels
are missing or illegible.
Location of Caution Label
This symbol/pictorial is used to identify the need
to wear protective gloves.
Caution indicates a POTENTIALLY
hazardous situation, which, if not avoided,
MAY result in minor or moderate injury.
Caution used without the safety alert
symbol indicates a potentially hazardous
situation, which, if not avoided, may result
in property damage.
This symbol/pictorial is used to identify an ULTRAVIOLET
LIGHT hazard.
This symbol/pictorial is used to identify
an ELECTRICAL SHOCK or
ELECTROCUTION hazard.
Warning indicates a POTENTIALLY
hazardous situation, which, if not avoided,
COULD result in death or serious injury.
This symbol/pictorial is used to identify the need
to wear approved ultraviolet blocking eyewear. This symbol/pictorial is used to identify the need to wear
approved ultraviolet blocking face shield.
This symbol/pictorial is used to identify components which
must not be disposed of in trash
Danger indicates an IMMINENTLY
hazardous situation, which, if not avoided,
WILL result in death or
serious injury.

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PRODUCT APPLICATION
The ZenithTM UV-C Detector is a sensitive hand-held, self-contained battery operated ultraviolet meter that can be used for:
• Monitoring UV-C Germicidal Lamp Intensity & Aging
• Measuring UV-C Germicidal Fixture Leakage
ConstruCtion
Figure 1 - ZenithTM UV-C Detector Dimensions
Shown in Figure 1, the ZenithTM UV-C Detector consists of the following:
• Self-contained UV-C Photodiode Detector which has a response range between 246–262 nanometers UV-C.
• Digital Display which indicates the value in μW/cm² (Micro watts per square centimeter)
• Press and hold push-button operation switch
• Battery compartment which contains a single 9 volt battery
• The enclosure is constructed of a durable plastic, which protects the device from normal physical abuse that may be
encountered by a portable meter.

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PRINCIPLE OF OPERATION
General operation
To operate the ZenithTM UV-C Detector, aim the UV-C Photodiode detector on the top panel of the unit at a UV-C source and
press and hold the push-button switch. To ensure repeatable test results, record both the distance from the UV-C source and the
reading taken.
MonitorinG uV-C GerMiCidal laMp intensity & aGinG
A lamp being tested should be allowed a period of time to warm up before taking readings. Warm-up time should be at least 5
minutes, however these times may vary depending upon lamp type. Consult one of our UV Application Specialists at 1-631-273-
0500, Monday–Friday 8:30am to 5:00pm EST for further information regarding proper lamp warm-up times.
Figure 2 - ZenithTM Distance From Lamp Source
Use Figure 2 as a guide. Check the UV-C Germicidal Lamp's intensity at its approximate center, at a measured distance of 1
meter from the end of the ZenithTM UV-C Photodiode Detector to the center line of the lamp. Note that in addition to the 1 meter
distance, the UV-C source and the ZenithTM UV-C Detector should be located on the same plane as shown.
When using this device to check a UV-C source, avoid exposure to direct or reected germicidal ultraviolet
rays. Germicidal ultraviolet rays are harmful to the eyes and skin. Wear face, hand, and eye protection and
cover any skin that may be exposed to direct or reected germicidal ultraviolet rays.

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PRINCIPLE OF OPERATION (Cont.)
Best practices when checking a lamp should include the following data:
• Lamp Description or Part Number
• Displayed value indicated on the ZenithTM UV-C Detector’s digital display
• Distance at which measurement was taken (Ref: 1 meter)
• Lamp warm-up time used before lamp was tested
*Note: Your lamp values may vary from lamp manufacturer’s data since Lamp Manufacturer's output data is based on
measurements performed under laboratory conditions in air at ambient room temperatures, utilizing matched electronic ballast
and represent average values.
Equipment is required to be powered on and in use when testing for UV-C Germicidal Leakage.
It is the user’s responsibility to ensure inspection in and around these xtures is safe to perform.
When using this device to check a UV-C source, avoid exposure to direct or reected germicidal
ultraviolet rays. Germicidal ultraviolet rays are harmful to the eyes and skin. Wear face, hand, and eye
protection and cover any skin that may be exposed to direct or reected germicidal ultraviolet rays.
MeasurinG uV-C GerMiCidal Fixture leakaGe
Fixtures are often inspected to ensure the UV-C light doesn’t exit from within framework of the device, where it could harm
occupants or damage other susceptible material located in the vicinity. This type of test differs from the testing of an individual
UV-C Germicidal lamp in that the distance and angle from the source plays a much smaller role.
Using the ZenithTM UV-C Detector, test along the xture's seams, covers, duct work, light traps, or any area which appears that
light can be escaping. Ideally, the ZenithTM UV-C Detector should display “0” in all cases and at all distances. Some xture designs
may inherently not allow for complete blockage of UV-C light, such as those found over conveyor systems or tunnels. For these
types of xtures, it may be suitable to develop a safe zone boundary around the xture. Contact one of our Atlantic Ultraviolet UV
Application Specialists at 1-631-273-0500, Monday–Friday 8:30am to 5pm EST for further information on this topic.

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MAINTENANCE
General Care oF ZenithTM uV-C deteCtor
• Keep the ZenithTM UV-C Detector clean and free of dust and humidity. Use a dry, soft cloth to clean unit before and after use,
and be sure to keep the UV-C Photodiode Detector clean and oil-free at all times.
• The ZenithTM UV-C Detector should be stored in its originally supplied container in a clean, dry place when not in use.
Battery replaCeMent
• To obtain access to the Battery Compartment, turn the ZenithTM UV-C Detector over (See Figure 1).
• Using your thumb, press down on the raised ridges and slide the Battery Compartment cover off.
• Gently navigate the 9 volt battery from its compartment and replace with a known good 9 volt battery, making sure that
the battery's polarity position is correct.
• Re-Install the Battery and Compartment cover.
Safely dispose of batteries responsibly. Never dispose of batteries in household waster. As consumers, users are
legally required to take used batteries to appropriate collection sites or retail stores where they were purchased or
wherever batteries are sold.
TECHNICAL SPECIFICATIONS
Table 1 - Technical Specications
Model ZenithTM UV-C Detector
Part Number 30-1015
Irradiation Range 0-1999 µW/cm2
Response 246-262 nm UV-C
Resolution 1 µW/cm2
Conversion Rate 3 Readings/Second
Display 3.5 Digit LCD
Digit Size .4”/10.2 mm
Operational Temperature 32°F to 100°F
Operational Humidity 5% to 90% RH
Accuracy +/- 10%
Meter Dimensions
Length 4.2" 106.7mm
Width 2.4" 61mm
Depth 0.9" 22.9mm
Weight 4.5 oz / 28 g Includes Battery
Power Source 9 v DC Battery
Lens UV Glass
Detector SIC Photodiode w/IF

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USER ASSISTANCE
Atlantic Ultraviolet Corporation®makes
every effort to ensure that the ZenithTM
UV-C Detector is a product of superior
quality and workmanship. This manual
describes the installation, operation and
maintenance of the ZenithTM
UV-C Detector.
Please read and become familiar with
the contents of this manual before
installing or using this unit. If after
reading the manual you still have
questions, or concerns, regarding the
installation or use of this unit, contact
our ofces, weekdays between 8:30 am
and 5:00 pm Eastern Time, at:
Atlantic Ultraviolet Corporation®
375 Marcus Boulevard
Hauppauge, New York, 11788
Tel: [phone]
Fax: [phone]
Email: [e-mail]
Website: Ultraviolet.com
BuyUltraviolet.com
WARRANTY & PRODUCT REGISTRATION
We warrant this product to the original owner to be free from defects in material and workmanship when installed in
accordance with Atlantic Ultraviolet Corporation® specications for a period of time as follows:
UV Water Purier Chambers – Type 316 stainless steel chambers will have a Twelve (12) year Limited Warranty on the stainless
steel chamber, from the date of original purchase while the Type 304 stainless steel chambers will have a Six (6) year Limited
Warranty on the stainless steel chamber.
UV Air Disinfection Housing – Three (3) year Limited Warranty on the metal housing, from the date of original purchase.
Ballasts – Three (3) year Limited Warranty, from the date of original purchase.
UV Lamps, Monitoring Devices, Optional Accessories, and Other Parts – One (1) year Limited Warranty from the date
of original purchase.
Within the warranty period we shall repair or replace such products, which are returned to us with shipping charges prepaid and which
are determined by us to be defective. This warranty will not apply to any product, which has been subjected to misuse, negligence or
accident; or misapplied; or modied; or repaired by unauthorized person; or improperly installed. Warranty will be null and void if
any of the product’s original labels are removed. This Limited warranty excludes the cost of labor.
The Buyer shall inspect the product promptly after receipt and shall notify us at our main ofce in writing of claims, including claims
of breach of warranty, within thirty (30) days after the Buyer discovers or should have discovered the facts upon which the claim is
based. Failure of the Buyer to give written notice of a claim within the time period shall be deemed to be a waiver of such claim.
The provisions of the above warranty are our sole obligation and exclude all other remedies or warranties, expressed or implied,
including warranties of merchantability and tness for a particular purpose, whether or not purposes or specications are described
herein. We further disclaim any responsibility whatsoever to the customer, or to any person for injury to person, damage to, or loss
of property or value caused by any product which has been subjected to misuse, negligence, accident; or modied or repaired by
unauthorized persons; or improperly installed.
Under no circumstances shall the Company be liable for any incidental, consequential or special damages; losses or expenses arising
from the contract for this product, or in connection with the use of, or inability to use, our product for any purpose whatsoever.
Be sure to register your product and validate purchase within 30 days –registration is simple and will take less than 2 minutes to do.
NOTE – failure to register your purchase may jeopardize warranty.
Go to Ultraviolet.com and scroll down to the bottom of the page, under “Trust” click the “Warranty Registration Form”, complete and
click “Submit”. Or click on “Warranty Registration PDF” to download the warranty registration card as a PDF, complete and mail to
us at 375 Marcus Boulevard, Hauppauge, NY 11788, or simply fax to 631-273-0771. If you prefer to register by phone, please call
631-273-0500 and our customer service staff will be glad to assist you.
For your convenience, record the following information below. The model and serial number can be found on a label located
on the ZenithTM UV-C Detector. Keep this manual, along with proof of purchase, handy when contacting our ofces.
Purchased From: Date:
Model: Serial No.:
patent notiCe
No attempt has been made to determine the patent status of applications illustrated or described in this publication. Inclusion in
this publication of any design or method of use, which may be patented, is not to be construed as promoting or sanctioning
unauthorized use.