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Technical Information
5.2.3 PUF Filter Spares
ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual
ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual
January 2002
Foam filter - PM
Foam filter - PM10(pk of 10) P118206
Foam filter - Respirable (pk of 10) P118208
(pk of 10) P118204
2.5
ENVIRONMENTAL
ENCLOSURE
For MICRODUST pro
User Manual
HB3273-06
COPYRIGHT
The copyright in this document which contains proprietary information is
vested in CASELLA CEL Limited. The contents of this document must not be
used for purposes other than for which it has been supplied or reproduced or
disclosed wholly or in part without the prior written permission of
CASELLA CEL LIMITED
ALTERATION WITOUT NOTICE
The contents of this manual are subject to change without notice.
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CASELLA CEL
Regent House
Wolseley Road
Kempston
Bedford
MK42 7JY United Kingdom
Phone: +44 (0)1234 844100
Fax: +44 (0)1234 841490
E-Mail: info@casella.co.uk
Web: www.casella.co.uk
CASELLA CEL INC
Tech Park
17 Old Nashua Road
Box 15
Amherst
NH 03031 U.S.A.
Phone: +1 603 672 0031
Toll Free: +1 800 366 2966
Fax: +1 603 672 8053
E-mail: us-sales@casella-cel.com
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Contents
ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual
ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual
Technical Information
TABLE OF CONTENTS
Chapter .................. Page
WARNINGS ....................... 3
BATTERY WARNINGS ................. 3
1. ENVIRONMENTAL ENCLOSURE FOR THE
MICRODUST
1.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 System Overview . . . . . . . . . . . . . . . . . . . . . 5
1.3 Power Supply . . . . . . . . . . . . . . . . . . . . . . . 7
2. USING THE ENVIRONMENTAL ENCLOSURE ...... 8
2.1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Battery Charging . . . . . . . . . . . . . . . . . . . . . . 9
2.3 PUF Filter Adapter . . . . . . . . . . . . . . . . . . . . 10
2.3.1 Storage of PUF Filters . . . . . . . . . . . . . . . . . . 10
2.3.2 Inserting / Removing PUF filters . . . . . . . . . . . . . 11
2.4 Collection Filter Cassette . . . . . . . . . . . . . . . . 11
2.5 Powering Up And Using The System . . . . . . . . . . 11
2.5.1 Checking the Instruments Span . . . . . . . . . . . . . 12
2.5.2 Checking Probe Zero . . . . . . . . . . . . . . . . . . . 12
2.5.3 Sampling Pump . . . . . . . . . . . . . . . . . . . . . 12
2.6 Starting a Sample Run . . . . . . . . . . . . . . . . . . 13
3. THE VORTEX ASPIRATING PUMP .......... 14
3.1 The Aspirating Pump . . . . . . . . . . . . . . . . . . . 14
3.2 Switching the Pump ON and OFF . . . . . . . . . . . . 14
3.3 Resetting the Elapsed Minutes Counter. . . . . . . . 14
3.4 Adjusting The Flow Rate . . . . . . . . . . . . . . . . . 14
3.5 Additional Pump Features . . . . . . . . . . . . . . . . 15
3.6 Service Interval For Key Components. . . . . . . . . . . 16
3.7 FaultFinding ....................... 16
4. SERVICE ....................... 18
5. TECHNICAL INFORMATION ............. 19
5.1 The Enclosure . . . . . . . . . . . . . . . . . . . . . . 19
5.1.1 Specification . . . . . . . . . . . . . . . . . . . . . . . 19
5.1.2 Ordering Information . . . . . . . . . . . . . . . . . . . 19
5.2 VORTEX Pump . . . . . . . . . . . . . . . . . . . . . . 19
5.2.1 Specification . . . . . . . . . . . . . . . . . . . . . . . 19
5.2.2 Additional Features . . . . . . . . . . . . . . . . . . . . 19
5.2.3 PUF Filter Spares . . . . . . . . . . . . . . . . . . . . . 20
pro
.................... 4
5. TECHNICAL INFORMATION
5.1 Enclosure
5.1.1 Specification
Operating temperature range: +5 to +40oC in the absence of
condensation
Storage temperature range: -25 to +55oC
Humidity range: 30 to 90% RH provided there is
no condensation
Storage humidity range: 0 to 90% RH in the absence of
condensation
Size: 410 x 330 x 175 mm
Weight: 7 kg without probe
5.1.2 Ordering Information
Enclosure for U.K.: 176091A
Enclosure for Europe: 176092A
Enclosure for U.S.A.: 176093A
Microdust
Rotameter (optional) -CM344
pro
176000A
5.2 VORTEX Pump
5.2.1 Specification
Flow range 1.5 to 4.5 litres/minute,
Flow control accuracy ±5% for selected flow,
Max. pressure drop 50 cm H2O at 2 litres/minute,
25 cm H2O at 4.0 litres/minute,
Run time n/a,
Operating temperature 0 to +40oC,
Dimensions 120 x 74 x 50 mm.
5.2.2 Additional Features
¤
Six digit elapsed timer in minutes with 1 minute resolution,
¤
Pump Running indicator,
¤
Automatic flow fault indicator and shutdown (due to excessive
pressure drop or blockage),
¤
Low battery warning indicator and bleeper,
¤
Low battery shut down.
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Service
ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual
ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual
Warnings
4. SERVICE
CASELLA CELs in house service department offers a comprehensive range
of repair and calibration services, designed to effect a fast and efficient
back-up for all our products. The service department is operated under the
scope of our BSI registration for products manufactured by us. We will
however, undertake the repair of other manufacturers equipment.
For further information please contact CASELLA CELs Service Department
at our Bedford premises. We will be happy to provide quotations for
individual repairs or provide annual maintenance under contract.
We recommend factory service by technicians trained and equipped to repair
your instrumentation. Should you wish factory repair assistance, send your
equipment in a package equivalent to the original packaging.
Insure to full value and ship pre-paid. Include a letter giving full details with
your packing list.
Send to: CASELLA CEL LIMITED
(Service Department)
Regent House
Wolseley Road
Kempston
Bedford
MK42 7JY
If purchased outside the United Kingdom, please return to your distributor.
WARNINGS !
The Microdust pro and associated Environmental Enclosure is nonintrinsically safe and must not be used within a hazardous area.
BATTERY WARNINGS !
DO NOT ENABLE the charger circuit in the Microdust pro while nonrechargeable batteries are installed in the instrument.
DO NOT leave the main power switch ON when the system is out of use.
The Enclosure’s 12 volt lead acid battery will discharge into the
Microdust pro battery causing DAMAGE.
DO NOT use any other charger than the one supplied by CASELLA CEL.
The charger is designed for indoor operation only.
DO NOT allow the batteries to remain discharged. Permanent damage
may be done to both instrument and batteries if they are left discharged.
Re-charge as soon as possible after use.
DO NOT connect the Environmental Enclosure power supply / battery
charger directly to any Microdust Instrument. Damage to the instrument
will occur.
DISPOSAL OF BATTERIES: Batteries and
battery packs must never be disposed of by
placing in a fire or incinerator, nor must they be
punctured, crushed or otherwise mutilated or
opened up in any way.
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NiCd batteries contain CADMIUM and must be
disposed of in a safe manner; in some countries
this may involve specialist licensed waste
disposal companies.
Cd
Page 3 of 20