Comark C9503-IS User Manual

Comark Pressure Meters

Specifications

YEAR

2

Warranty

Comark pressure meters combine high accuracy with speed
of response and offer the option of ATEX certified
Intrinsically Safe models.

The C9500 instruments have twin inputs for gauge or differential pressures and positive or negative (vacuum)
pressure measurement.

Typical applications include boiler flue draft, air conditioning filters, laboratories and clean rooms, process pressures,
service and maintenance and the calibration of other instruments.

• A TEX compliant, certified to II 1 G EEx ia IIC T4 Baseefa 03 ATEX 0079

• Selectable pressure units*, PSI, mbar, Bar , inH

cmH20, Kgcm

-2

• Positive or negative (vacuum) pressure measurement

• Adjustable zero value

• Maximum, minimum pressure and hold function

• Averaged reading function

• Over-range indication

O, inHg, mmHg, T orr , Pa, KPa, mmH2O,

2

• Selectable auto switch off

• Can function as a calibrator when used with TK2 pressure test kit

• Silicone protection option available for liquid pressure measurement

• Supplied with tubing and connectors, plus hard carry case for IS Models

* Dependant on model

Comark is the leading manufacturer and supplier of a wide range of electronic measurement instruments for temperature, humidity, pressure and pH

Click on www.comarkltd.com for more information

Comark Pressure Meters

Specifications

T echnical S pecification

Standard C9551 C9553 C9555 C9557
Intrinsically Safe C9501/IS C9503/IS C9505/IS C9507/IS

PSI

mBar

Bar

inH2O

inHg

mmHg

Torr

Pa

KPa

mmH2O

cmH2O

–2

Kgcm

Range 0 to ±2.031 0 to ±5.076 0 to ±30.46 0 to ±101.05
Resolution 0.001 0.001 0.001 0.01

Range 0 to ±140 0 to ±350 0 to ±2100 0 to ±7000
Resolution 0.1 0.1 0.1 1

Range - - 0 to ±2.100 0 to ±7.000
Resolution - - 0.001 0.001

Range 0 to ±56.2 0 to ±140.5 0 to ±843.1 0 to ±2810
Resolution 0.01 0.01 0.1 0.1

Range 0 to ±4.134 0 to ±10.34 0 to ±62.01 0 to ±206.7
Resolution 0.001 0.001 0.01 0.01

Range 0 to ±105.0 0 to ±262.5 0 to ±1575 0 to ±5250
Resolution 0.01 0.01 0.1 1

Range 0 to ±105.0 0 to ±262.5 0 to ±1575 0 to ±5250
Resolution 0.01 0.01 0.1 1

Range 0 to ±14000 - - ­Resolution 1 - - -

Range 0 to 14.00 0 to ±35.00 0 to ±210.0 0 to ±700.0
Resolution 0.001 0.01 0.01 0.1

Range 0 to ±1428 0 to ±3569 - ­Resolution 0.1 1 - -

Range 0 to ±142.8 - 0 to ±2141 0 to ±7138
Resolution 0.01 - 0.1 1

Range 0 to ±143 0 to ±0.357 0 to ±2.141 0 to ±7.138
Resolution 0.001 0.001 0.001 0.001

Maximum Over/ 6 PSI/ 15 PSI/ 90 PSI/ 200 PSI/
Under Pressure 400mbar 1000mbar 6200mbar 13700mbar
Accuracy at +23°C ±0.2% of full scale
Repeatability at +23°C ±0.1% of full scale
Mean T emperature
Coefficient of Reading Better than 0.1% per °C
Operating Range
Temperature 0°C to +40°C
Humidity 10 to 90% RH non condensing
Environmental Rating IP67, BS 60529, IEC 529
Protection Levels (IS Models only) II 1 G EEx ia IIC T4 Baseefa 03 A TEX 0079

(certification applicable at atmospheric pressure)
Connections 1/8” BSP Female
Battery Type 6F22 MN1604, PP3 VT3 UCAR 9V
Battery Life 90 Hours

WARRANTY

All Comark Instruments have a minimum one-year warranty unless otherwise stated.
The warranty period for temperature probes is six months and all other probes and electrodes
are unwarranted because the conditions of use are beyond our control. The Comark warranty
covers manufacturing defects and component failures on all products returned to Comark
premises and applies worldwide. The warranty does not affect your statutory rights. In line with
our policy of continuous development we reserve the right to alter any product specifications
without notice.

All products are covered by our Quality Management System which is compliant with BS EN ISO
9001:2000 for the design, manufacture, supply, service, repair and recalibration of electronic
measuring instruments and equipment.

Comark has an accredited UKAS calibration laboratory for temperature and humidity
measurement and can offer full service and recalibration facilities.

Comark Limited Gunnels Wood Road,
Stevenage, Hertfordshire SG1 2T A England
Tel: 01438 ([phone]
Email enquiries UK and Ireland:
[e-mail]
Email enquiries International:
[e-mail]

Comark Instruments Inc

9710 SW Sunshine Court,
Beaverton, OR 97005, USA
Tel: [phone] Fax: [phone]
Email: [e-mail]

a VIDA GROUP company

C181/1/EN © Comark Limited

Click on www.comarkltd.com for more information