Casella CEL Environmental enclosure for Microdust - Manual (Page 2)

TABLE OF CONTENTS
Chapter . . . . . . . . . . . . . . . . . . Page
WARNINGS . . . . . . . . . . . . . . . . . . . . . . . 3
BATTERY WARNINGS . . . . . . . . . . . . . . . . . 3
1. ENVIRONMENTAL ENCLOSURE FOR THE
MICRODUST pro . . . . . . . . . . . . . . . . . . . . 4
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 Instrument’s 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 Fault Finding . . . . . . . . . . . . . . . . . . . . . . . 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
5. TECHNICAL INFORMATION
5.1 Enclosure
5.1.1 Specification
Operating temperature range: +5 to +40 o C in the absence of
condensation
Storage temperature range: -25 to +55 o C
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 pro 176000A
Rotameter (optional) -CM344
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 H 2 O at 2 litres/minute,
25 cm H 2 O at 4.0 litres/minute,
Run time n/a,
Operating temperature 0 to +40 o C,
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.
Page 2 of 20
Technical Information Contents
Page 19 of 20
ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual ENVIRONMENTAL ENCLOSURE
For MICRODUST pro - User Manual