DATASH
HEET Lightingg Solutions D Lamps PID
Lo
ow‐Presssure Ga
as Disch
harge Lamps Key Feattures PID LLamps from EExcelitas proviide high sensiitivity, stabilitty, and long llife for u
use in a range of applicatio
ons including p
photoionizatiion detectors and tracee gas analyzers E
Excelitas Tech
hnologies man
nufactures a ccomplete line
e of high quality, long life, low pressure
e gas dischargge lamps for u
use in detectors and
d trace gas an
nalyzers. These photoionization d
Detection (PID) lamps are interchangeaable with all Photoionization D
esently available. Both currrent and RF‐excited simiilar lamps pre
desiigns are availaable with eV ratings rangin
ng from 8.4 to
o 11.7. hnologies inco
orporates a u
unique high te
emperature EExcelitas Tech
seal design which
h allows these
e lamps to be
e processed at high temperatures. This process re
esults in higher lamp‐to‐lamp ong life. It alsso allows for conssistency, enhanced performance and lo
elim
mination of the getter curre
ently utilized in competitivve RF‐excited desiigns. hnologies enssures unsurpaassed perform
mance by EExcelitas Tech
usin
ng only the higghest purity m
metals, windo
ow materials and gases. Everry lamp must pass a seriess of stringent tests and me
easurements prio
or to shipment to our custo
omers. www
w.excelitas.com PID LLamps 9/2011 page 1 of 4 
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High seensitivity and sstability Long Liife Lamp‐tto‐lamp consistency Compleete product offfering Custom
m design capab
bility Applicattions 
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Photoio
onization deteectors Trace ggas analyzers Gas chromatographyy Portable gas sniffers
Samplee ionization forr mass spectro
ometry PID Lamps Low
w‐Pressu
ure Gas Discharge Lamps current, the liffetime of the 110.0eV material limits the typiccal lifetime lamp is greater than 5000 hoours. of these laamps to underr 200 hours. This is typical ffor use in port able analyzers whe
ere the lamp is not Spectral Output and R
Relative operated at an
n elevated Intensityy temperature. Most laboratoory quires the lamp equipment req
mp is The eV rating of the lam
temperature tto be elevated
p’s spectral determineed by the lamp
to as high as 2
250⁰C. The typpical output. TThe spectral ou
utput of the lifetime of lam
mps with magn esium lamp is deetermined by tthe fill gas fluoride windo
ows operated aat 1mA and the trransmission ch
haracteristics current and a detector tempperature of the win
ndow material. The spectral 00 hours. Opeeration at of 250⁰C is 150
output off the gases used most higher temperratures and/orr currents frequentlyy are shown in
n the will shorten th
he lamps lifetim
me. graphs beelow. The eV rating and wavelenggth are associatted through During use it iss typical that t he Planck’s C
Constant. outside of the lamp window w becomes contaminated resulting in loower 10‐6)/eV l(m) = 1.2395(1
output and a loss of system sensitivity. Excelitas Technoologies As seen frrom the graph showing mps with supplies cleaning kits for lam
krypton, b
both the 123.6
6 nm and uoride window
ws for the magnesium flu
116.5 nm lines are preseent. Because removal of anyy build‐up on tthe 10.6 eV lamps of this thee 10.0 eV and 1
window. Lamps with Lithium
m are intercchangeable. ows cannot bee Fluoride windo
Lam
mp Life operated at te
emperatures ab
bove hydrogen and
Other fill gases such as h
70⁰C and it is rrecommendedd that ed by both currrent Lamp life is affecte
oxygen haave been used but have they be operatted at ambientt mperature. At found to rresult in shorteened lamp and operating tem
temperature. The Lithium F luoride bient temperature and 1 mA iinput life. amb
eV R
Ratings and Sp
pectral Outputt XEN
N ARG
GON NON KRYPTON
Lam
mp Operation mps, In low pressure gass discharge lam
ow discharge excites the natu
ural a glo
resonance frequen
ncy of the fill gaas, ducing spectrall emission liness prod
down to the short wave cutoff off the dow material. TThe gas discharge wind
is co
onfined to a sm
mall capillary wiithin the lamp. Precise electrode nment allows in
nherently ultraa align
high stability at pre
edetermined waveelengths. nts The power supply and componen
operation are rrelatively simplle. A for o
power supply and a series resisto
or n power the lamp. LLamp operation
urs as the breakdown thresho
old of occu
the ffill gas is excee
eded, usually on the ordeer of ‐1100 to ‐1299 volts DC.. The seriees resistor limitts the current o
of the lamp to a reaso
onable operatiing levell. www
w.excelitas.com page 2 of 4
4 PID Lamps Low
w‐Pressu
ure Gas Discharge Lamps Lam
mp Selection T
Table Excellitas Part Energy (eV) Wave
elength (nm) Win
ndow Material FFigure FX‐9992U 8.4 147.6 Sapphire 1 FX‐7991U 9.5 130.0 MgF2 2 FX‐7992U 9.6 129.0 MgF2 1 FK‐6000U 10.0 123.9 MgF2 1 FK‐7993U 10.2 121.6 MgF2 2 FK‐7994U 10.6 116.9 MgF2 1 FA‐7998U 11.7 106.0 LiF 2 FA‐7337U 11.8 105.0 LiF 1 FK‐10041U 10.6 116.9 MgF2 3 FA‐10090U 11.7 106.0 LiF 3 Elecctrical Specificcations for DC Current Exccited Lamps Ignitiion Voltage Ignitiion Time Operrating Current Typiccal Operating Vo
oltage at maximu
um current Typiccal Operating Vo
oltage at minimu
um current Lamp
p Power Dissipattion Seriees Resistor in Circcuit Opeerating Circuit
‐1100 VDC min 1‐5 secon
nds 0.1 ‐1.0 m
mA ‐310 VDC ‐300 VDC 0.08‐0.77 W 0.77‐8.0 M
MΩ Figure
e 1 Figure 2
www
w.excelitas.com page 3 of 4
4 PID Lamps Low
w‐Pressu
ure Gas Discharge Lamps Figurre 3 About Exceelitas Technol
NOTEE: All values are nominal; specifications subject to cchange logies witho
out notice. Excelitas Tecchnologies is a global technollogy leader focused on d
delivering innovative, custom
mized solutions to meet the lighting, detecction and otherr high‐
performancee technology needs of OEM ccustomers. From medicaal lighting to an
nalytical instru
umentation, clinical diagn
nostics, industrrial, safety and security, and aerospace an
nd defense app
plications, Exceelitas Technologiess is committed
d to enabling our customers' success in th
heir specialty end‐markets. Exxcelitas Technologiess has approxim
mately 3,000 em
mployees in North America, Europe and
d Asia, serving customers across the w
world. Excelitas Technologies 35 Co
ongress Street Salem
m, Massachusetts 019700 USA Telep
phone: (+1) 978.745.3
3200 Toll frree: (+1) 800.950.344
41 Fax: (+1) 978.745.0894 Excelitas Tecchnologies LED Solution
ns, Inc. 160 E. Marquardt Drive Wheeling, Illinois 60090 USA Telephone: ((+1) 847.537.4277 Fax: (+1) 847
7.537.4785 Excelitas Techno
ologies Illumination, Incc. 44370 Christy Street Fremont, Califorrnia 94538‐3180 USA
A Telephone: (+1) 510.979.6500 00.775.6786 Toll‐free: (+1) 80
Fax: (+1) 510.687
7.1140 Excelitas Technolo
ogies GmbH & Co. KG Wenzel‐Jaksch‐Straaβe 31 D‐65199 Wiesbadeen Germany Telephone: (+49) 6611 492 430 Fax: (+49) 611 492 165 Excelitas Technologies Sh
henzhen Co., Ltd. Wearrnes Technology Center No.100 Kefa Road, Sciencee & Industry Park Nanshan District, Shenzzhen, Guangdong P.R. o
of China 518057 Telep
phone: +86 2655 38661 Fax: ++86 755 2661 7311 our global offices, visit www.excelitas.co
om/ContactUs For a complete listing of o
© 20111 Excelitas Technologies C
Corp. All rights reserved. T
The Excelitas logo and dessign are registered tradem
marks of Excelitas Technol ogies Corp. All other traddemarks not ow
wned by Excelitas Technolo
ogies or its subsidiaries th
hat are depicted herein arre the property of their respective owners. Excelitaas reserves the right to chaange this do
ocument at any time without notice and disclaims lliability for editorial, picto
orial or typographical erro
ors. www
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