These instruments have been certifi ed by Baseefa 2001 Limited and are
suitable for use in accordance with the marks which have been applied.
The marks are described in Clause 28 of EN 50014.
WARNING
The Certifi cation for this instrument is:
II 1 G EEx ia IIC T4
Baseefa 03 ATEX 0079
INTRINSIC SAFETY STANDARD
EN 50 020 (2002) APPLIES AT NORMAL
ATMOSPHERIC PRESSURE.
NOTE: AT ELEVATED PRESSURE THE ENERGY
REQUIRED TO IGNITE CERTAIN EXPLOSIVE
ATMOSPHERES CAN REDUCE SIGNIFICANTLY,
THEREFORE ADEQUA TE PRECAUTIONS SHOULD
BE TAKEN PRIOR TO THE MEASURING OF
EXPLOSIVE GASES OR MIXTURES.
The battery cover is attached by socket headed screws for
which an Allen key is provided with the instrument. This key
should be kept outside the hazardous area.
5
ON NO ACCOUNT SHOULD THE BATTERY COVER BE
OPENED WITHIN THE HAZARDOUS AREA.
(A low battery voltage is indicated by the ‘BAT’ symbol
appearing on the display).
WARNING
INPUT HOSES SHOULD NOT BE DISCONNECTED FROM
THE INSTRUMENT WHILST CONTAINING GASES WHICH ARE
DANGEROUS AND/OR UNDER PRESSURE.
Do not apply pressures beyond the over range maximum for the
instrument or damage may occur.
DO NOT USE ANY OTHER MEANS OF POWER SUPPLY TO THE
INSTRUMENT OTHER THAN THE BATTERY TYPES AS LISTED ON
THE INSTRUMENT LABEL.
refer to section 3 — connection to pressure sources before operating
the instrument.
This instrument is manufactured in accordance
with the Company’s ISO 9001 Quality Approved
System.
ISO 9001
FM 26700
This instrument complies with the
Electromagnetic Compatibility Directive
EN 61326-1.
Declarations of Conformity available. Contact
Comark Customer Support or your local
Distributor.
In line with its policy of continuous development, Comark Instruments
reserves the right to alter the instrument specifi cation without prior
notice. Further information is available from Comark Instruments or your
distributor.
6
CALIBRATION, CERTIFICATION AND SERVICE
No. 0451
Certifi cation
Comark can provide certifi cates of calibration for its whole product
range, to suit ISO 9000 and other quality assurance procedures, food
hygiene regulations, HACCPs and environmental regulations. Comark
certifi cates are produced by independent quality controlled processes
which compare product performance against agreed National
Standards. For peace of mind and best practice Comark recommend
annual certifi cation/recalibration.
Two levels of certifi cation are available for infra-red temperature and
non temperature instruments, excluding humidity:- UKAS certifi cates via
an external accredited laboratory and NPL traceable certifi cates from
the Comark calibration laboratory.
Three levels of certifi cation are available for contact temperature and
humidity products and these are detailed here:
a) UKAS Temperature Certifi cation
The Comark UKAS (United Kingdom Accreditation Service)
accredited temperature calibration laboratory is one of the
fi nest in the UK. Comark UKAS certifi cates can offer the
lowest uncertainty of 0.01°C and provide independent proof of
correct calibration using equipment and procedures audited by
UKAS inspectors. The equipment used is fully traceable to the
National Physical Laboratory.
b) UKAS Humidity Certifi cation
In addition to the Comark temperature laboratory, the humidity
laboratory continues the tradition of high accuracy certifi cation
and a wide range (25% to 90%RH) with uncertainties of 2.8% of
reading. This range also includes Dew point measurements.
c) NPL Traceable Certifi cation
Comark NPL certifi cates are traceable to the National Physical
Laboratory and can offer uncertainty as low as 0.3°C.
7
Conformance
Certifi cates of conformance can be supplied for new, serviced and
recalibrated instruments. These confi rm that instruments are within their
original manufactured specifi cation.
Service/Repairs
Regular servicing and any required repairs, under warranty or after, are
available from the Comark Service Department.
For more information on all Comark certifi cation, calibration and service
facilities please call Comark Customer Support or contact your local
distributor.
Note
The last two digits of the instrument serial number indicate the year of
manufacture. Eg. 12345/21-03 = 2003.
8
1. INTRODUCTION
The C9500 Series IS pressure meters includes:C9501/IS Range 0 to ±2 PSI / 0 to ±140mbar Differential
C9503/IS Range 0 to ±5 PSI / 0 to ±350mbar Differential
C9505/IS Range 0 to ±30 PSI / 0 to ±2000mbar Differential
C9507/IS Range 0 to ±100 PSI / 0 to ±6900mbar Differential
9
2. KEY FUNCTIONS
2.1 ON/OFF Key
Press once to switch on the instrument. Repeat to
switch off.
Holding down the key when switching on will display the
maximum pressure range of the instrument in PSI.
Holding down the key when switching off will display all
segments as a test.
2.2 ZERO Key
Press to zero the current readings on the display to nullify any offsets caused by large temperature variations.
The instrument will retain the zero value in memory
even after switch off, so that the zero reading will be
displayed when the instrument is switched on again.
The zero key can be used whenever offsets occur.
Please note that pressing the zero key has no effect
whilst the instrument is in hold or record modes.
2.3 SCALE Key
Press to display the pressure measurement in each of
the different scales available. The selected scale unit
is retained in memory even after switch off, so that the
selected unit can be displayed when the instrument is
switched on again.
2.4 HOLD Key
Press to hold the displayed reading and press again to
resume measurement. The scale key will operate while
the instrument is in hold mode so that the held reading
can be displayed in different scales.
2.5 FILTER Key
Press to fi lter out transient readings. In fi lter mode the
instrument will average the readings taken over the
last 4 seconds (16 readings) to provide a more stable
reading on the display. Press the key again to resume
normal measurement.
10
2.6 RECORD Key
Press once to put the instrument into record mode. This
will be indicated by the word RECORD on the display.
Maximum and minimum pressure readings can be
stored and displayed while the instrument is in record
mode. When the instrument is in record mode, press
key once to display the current maximum reading and
press again to display the current minimum reading.
Pressing the key a third time will return the display to
normal measurement.
Record mode can be cancelled and the max/min
readings cleared by pressing and holding down the key
until the word RECORD disappears from the display.
The scale key will operate while the instrument is in
record mode so that the max/min readings can be
displayed in different scales.
2.7 AUTO Switch Off
The instrument can be programmed to auto switch off
by pressing and holding down the HOLD key while
using the ON/OFF key to switch on the instrument.
The word AUTO appears on the display to indicate
auto switch off mode and the instrument will switch
itself off approximately 3 minutes after the last use of
the keypad. Auto switch off mode can be cancelled
by pressing and holding down the HOLD key while
switching on manually with the
ON/OFF key.
11
3. CONNECTION TO PRESSURE SOURCES
The C9500 Series IS instruments are fi tted with
1
/8" BSP female connectors. The following checks
must be made before connecting the instrument to
a pressure source:-
Check the security of all fi ttings.
Check that the pressure source does not exceed the
ratings for the instrument as set out in Table 1.
Check that the gases to be measured will not damage
or corrode stainless steel, brass, glass, ceramic, silicon,
nickel, aluminium, gold or epoxy resin.
Note: Comark C9500 Series IS Pressure Measurement
Instruments are not suitable for absolute pressure
measurement.
Note: Pressures in excess of maximum over range
fi gure with respect to atmospheric pressure, should
not be applied to either port as this could damage the
instrument or represent a safety hazard.
TABLE 1
Instrument Pressure Range Maximum Over/
Under Pressure
C9501/IS 0 to ±2 PSI/140mbar 6 PSI/400mbar
C9503/IS 0 to ±5 PSI/350mbar 15 PSI/1000mbar
C9505/IS 0 to ±30 PSI/2000mbar 90 PSI/6200mbar
C9507/IS 0 to ±100 PSI/6900mbar 200 PSI/13700mbar
12
4. OTHER FUNCTIONS
4.1 Battery Low
Low battery is indicated by the symbol BAT on the
display. Replace the battery as soon as possible after
this symbol appears.
4.2 Over Range Pressure
If the pressure measured (either positive or negative
pressure) exceeds the full scale of the instrument, the
display will show – – – –
If this occurs the pressure must be reduced to avoid
damage to the sensor in the instrument.
4.3 Over 9999 Reading Indication
If the numeric value for display exceeds ±9999, with
or without a decimal point, the display will blink and
suppress the top (5th) digit, whilst continuing with
correct values of the lower 4 digits.
4.4 Differential or Gauge Measurement
C9500 series instruments can be used in either a gauge
or differential pressure measurement system.
Gauge:
For positive gauge measurements the negative (-ve)
port should be left open to atmospheric pressure and
the positive (+ve) port used to input the pressure. For
negative gauge measurements the positive (+ve)
port should be left open and the ‘vacuum’ applied to
the negative (-ve) port. Please note that in this case
the reading displayed will be positive even though a
vacuum is being measured.
Differential:
When measuring differential pressures, ensure that the
most positive (+ve) pressure is applied to the positive
(+ve) port.
13
4.5 Battery Replacement
Unscrew the two Allen screws at the base of the
instrument and slide off the battery cover. Replace the
battery with a 9V PP3 type as specifi ed on the label
in the battery compartment. Replace the battery cover
taking care not to over tighten the two screws. A 2.5mm
A/F hex key is provided.
Note: Do not use any other means of power supply to
the instrument other than the battery types as listed on
the instrument label.
4.6 Use with Pressure Test Kit
The C9500 series instruments can be used together
with the optional TK2 pressure test kit as a low cost
calibration system for checking or calibrating other
pressure instruments.
To use TK2 as a calibrator, connect a calibrated C9500
series instrument, suitable for the maximum pressure
to be used, to one of the ports on the hand-pump.
Connect the instrument to be checked or calibrated to
the other port. Read the instructions supplied with the
TK2 kit for details of the pump operation. Ensure the
C9500 meter is zeroed with the pressure relief valve
open before measurements or adjustments are made.
Note: With the C9501/IS meter it is possible to overrange the instrument with just one squeeze of the
pump handle. If this should occur unscrew the pressure
release valve slowly until the display again shows a
pressure reading then tighten. The volume adjustment
on the pump may now be used for fi ne control of the
applied pressure.
14
5. SPECIFICATION
C9501/IS C9503/IS C9505/IS C9507/IS
PSI Range 0 to ±2 0 to ±5 0 to ±30 0 to ±100
Resolution 0.001 0.001 0.01 0.1
mBarRange 0 to ±140 0 to ±350 0 to ±2000 0 to ±6900
Resolution 0.1 0.1 1 1
O Range 0 to ±55 0 to ±140 0 to ±830 0 to ±2750
inH
2
Resolution 0.01 0.1 0.1 1
inHgRange 0 to ±4 0 to ±9.999 0 to ±61 0 to ±200
Resolution 0.001 0.001 0.01 0.1
mmHgRange 0 to ±99.99 0 to ±260 0 to ±1500 0 to ±5200
Resolution 0.01 0.1 1 1
TorrRange 0 to ±99.99 0 to ±260 0 to ±1500 0 to ±5200
Resolution 0.01 0.1 1 1
PaRange 0 to ±9999
Resolution 1
KPaRange 0 to ±35 0 to ±200 0 to ±690
Resolution 0.01 0.1 0.1
mmH
O Range 0 to ±1400 0 to ±3500
2
Resolution 1 1
cmH
O Range 0 to ±2100 0 to ±7000
2
Resolution 1 1
Kgcm
–2
Range 0 to ±2.1 0 to ±7.0
Resolution 0.001 0.001
CALIBRATED ±0.2% of full scale (FS) at +23°C
ACCURACY
REPEATABILITY ±0.1% of full scale (FS) at +23°C
MEAN TEMPERATURE <0.1% per °C
COEFFICIENT
OF READING
OPERATING 0 to 40°C, 10 to 90% RH
RANGE non condensing
ENVIRONMENTAL IP67
RATING
CERTIFICATION II 1 G EEx ia IIC T4
Baseefa 03 ATEX 0079
15
POWER SOURCE 9V PP3 6F22 — MN1604 UCAR9V
BATTERY LIFE 125 hours (using MN1604)
LOW BAT CHECK Displays BAT just before end point of
battery
OVER PRESSURE – – – –
INDICATION
OVER 9999 Lowest 4 digits blink
READING
INDICATION
1
CONNECTIONS
/8" BSP female
WEIGHT 330gm including battery
EMC Tested to EN 61326-1
Criteria B performance
* Certifi cation applicable at atmospheric pressure.
16
EIGENSICHERE
DRUCKMESSGERÄTE
DER SERIE C9500
ALLGEMEINE INFORMATIONEN
Diese Geräte wurden nach den Baseefa 2001 Limited zugelassen und
eignen sich für den Einsatz entsprechend der Marken, mit denen sie
geliefert wurden.
Diese Marken sind in Klausel 28 von EN 50014.
WARNUNG
Dieses Gerät ist für die nachstehende Klasse
zugelassen:
II 1 G EEx ia IIC T4
Baseefa 03 ATEX 0079
DIE EN-NORM ÜBER EIGENSICHHEIT
EN50020 (2002) WIRD BEI NORMALEM
A TMOSPHÄRENDRUCK ANGEWANDT .
ACHTUNG: BEI ERHÖHTEN DRÜCKEN KANN
SICH DIE ENERGIE ZUM ZÜNDEN EXPLOSIVER
GASE ERHEBLICH VERRINGERN, DESHALB
SIND ENTSPRECHENDE SICHERHEITSVORKEHRUNGEN VOR DER MESSUNG AN
EXPLOSIVEN GASEN ODER GAS-GEMISCHEN
ZU TREFFEN.
Der Batteriedeckel wird durch Innensechskantschrauben befestigt; ein
Stiftschlüssel für diese wird mit dem Gerät geliefert. Dieser Schlüssel sollte
außerhalb der explosionsgefährdeten Räume bleiben.
17
AUF KEINEN FALL IST ES ZULÄSSIG, DEN BATTERIEDECKEL
INNERHALB DES EXPLOSIONS-GEFÄHRDETEN RAUMS ZU
ÖFFNEN.
(Eine niedrige Batteriespannung wird durch das Symbol ‘BAT’ auf der
Anzeige erkannt.)
WARNUNG
DIE ZUFLUSSSCHLÄUCHE SOLLTEN NICHT VOM GERÄT
ABGETRENNT WERDEN, WÄHREND SIE GESUNDHEITSSCHÄDIGENDE FLÜSSIGKEITEN BZW. GASE ENTHALTEN
ODER SOLANGE SIE UNTER DRUCK STEHEN.
KEINE DEN MAXIMALEN BEREICH DES GERÄTS ÜBERSCHREITENDE
DRÜCKE ANLEGEN, SONST KÖNNTEN SCHÄDEN VERURSACHT
WERDEN.
VERWENDEN SIE KEINE ANDERE STROMVERSORGUNG ALS
ANGEGEBEN!
SIEHE ABSCHNITT 3 — ANSCHLUSS AN DRUCKGEBER VOR
EINSCHALTEN DES GERÄTES.
Die Fertigung des Geräts erfolgt
in Übereinstimmung mit den
Qualitätssicherungsnachweisforderungen von
ISO 9001.
Das Gerät entspricht den Richtlinien für
elektromagnetische Verträglichkeit
EN 61326-1.
EC Konformitätsbescheinigungen sind erhältlich
und anzufordern vom Comark Kundenservice
oder vom lokalen Vertriebspartner.
Entsprechend dem Geschäftsgrundsatz einer dauernden Weiterentwicklung
behält sich Comark Instruments das Recht vor , die technischen Daten des
Geräts ohne vorherige Notiz zu ändern. Weitere Informationen stehen von
Comark Instruments oder Ihrem Händler zur Verfügung.
18
KALIBRIERUNG, ZERTIFIZIERUNG UND SERVICE
No. 0451
Zertifi zierung
Comark kann Kalibrierzertifi kate für die gesamte Produktpalette
bereitstellen, die für ISO 9000 und andere Qualitätssicherungsverfahren
sowie für Lebensmittelhygieneverordnungen, HACCPs und
Umweltverordnungen gültig sind. Zertifi kate von Comark werden
in unabhängigen, qualitätskontrollierten Verfahren erstellt, die
die Produkteigenschaften mit den jeweiligen nationalen Normen
vergleichen. Um den sorgenfreien Betrieb sicherzustellen und die
Vorschriften zu beachten, empfi ehlt Comark eine jährliche Zertifi zierung
und Neukalibrierung.
Zwei Zertifi kat-Klassen sind für Infrarot-Temperaturmessgeräte und
Nicht-Temperaturmessgeräte sowie Feuchtemeggeräte lieferbar:
UKAS-Zertifi kate über ein externes akkreditiertes Labor und NPL
rückführbare Zertifi kate durch das Comark Kalibrierlabor.
Für Kontakttemperaturmessprodukte und Feuchtigkeit Produkte gibt es
die drei folgenden Zertifi zierungsniveaus:
a) UKAS-Zertifi zierung
Das von UKAS (United Kingdom Accreditation Service)
akkreditierte Comark-Temperaturkalibrierungslabor gehört
zu den besten in Großbritannien. Comark können UKAS
Bescheinigungen die niedrigste Ungewißheit von 0.01°C
anbieten und können unabhängigem Beweis Gebrauch Geräte
richtiger Kalibrierung und Verfahren versorgen, die von UKAS
Inspektoren revidiert werden.
b) UKAS Zertifi kate für rel. Feuchte
Zusätzlich zur Comark-Temperatur ist unser Labor für
Feuchtigkeit jetzt in der Lage Kalibrierzertifi cake für rel. Feuchte
zu erstellen. Die Tradition für Zertifi kate mit hoher Genauigkeit
und einen weiten Messbereich wird fotgesetzt. Wir kalibrieren
Feuchte von 25% bis 90% rF mit einer Abweichung von 2,8%
des gelesenen Wertes.
19
c) Zertifi zierung nach NPL-Standards
Comark sind NPL Bescheinigungen auffundbar zum Nationalen
Physischen Labor und können Ungewißheit so niedrig wie
0.3°C anbieten.
Konformität
Konformitätszertifi kate können für neue, gewartete und neu kalibrierte
Instrumente vorgelegt werden. Diese Zertifi kate bestätigen, dass die
Geräte ihren ursprünglichen Herstellerspezifi kationen entsprechen.
Service/Reparaturen
Die Kundendienstabteilung von Comark bietet regelmäßige Wartung
und alle erforderlichen Reparaturen, auch nach Ablauf der Garantiezeit.
Weitere Informationen über alle Comark-Zertifi zierungen, Kalibrierungen
und Kundendiensteinrichtungen erhalten Sie entweder bei Comark
direkt oder bei Ihrem Händler.
Hinweis:
Die beiden letzten Ziffern der Seriennummer des Instruments
bezeichnen das Herstellungsjahr. Zum Beispiel: 12345/21-03 = 2003.
20
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