Casella CEL DryCal DC-Lite flow calibrator - Manual (Page 2)

Table of Contents
1.0 DC-Lite Features 2
2.0 Unpacking Checklist 3
3.0 General Description 3
4.0 Theory of Operation 3–4
5.0 Operating Instructions 4
5.1 DC-Lite Button Panel 4
5.2 Turning the Power On 5
5.3 Disabling & Re-Enabling the 5-Minute Auto-Shutoff Feature 5
5.4 Taking Readings 5–6
5.5 Resetting the Averaging Sequence 6
5.6 Printing 6–7
5.7 Stop & Reset 7
5.8 Resetting a Printed Sequence 7
5.9 Printing to a PC 8
5.10 Hard Reset Button 8
6.0 Battery System 8
6.1 Charging the Battery 9
6.2 Battery Maintenance & Storage 9
7.0 Isolating the DryCal from Other Instruments 9–10
7.1 Use with Instruments that Contain Internal
Mass Flow Controllers (MFCs) 10
7.2 Use with Personal Air Samplers 10
7.3 Calibrating Rotameters 10
7.4 Use with Magnehelic Manometers 10–11
8.0 Maintenance, Quality Assurance 11
8.1 Maintenance 11
8.2 Leak-Test Procedure 11–12
8.3 Air Containing Particulates 12
8.4 Return Authorization 12
8.5 Shipment 12
8.6 Long-Term Storage 12–13
8.7 Calibration 13
9.0 Calibration Statement 13–14
10.0 Limited Warranty 14
DryCal ® DC-Lite Specifications
Size 5" x 5" x 2.75" • 127 mm x 127 mm x 70 mm
Weight 42 oz • 1200 g
Flow Ranges | Air Flow Accuracy Specifications based on averaged readings.
Lower limit is based on self-tested maximum leakage.
Model Optimum Flow Range (±1%) Extended Flow Range
L 10–500 ml/min 1 ml/min–500 ml/min
ML 50 ml/min–2 L/min 5 ml/min–5 L/min
M 100 ml/min–7 L/min 10 ml/min–12 L/min
MH 200 ml/min–20 L/min 20 ml/min –20 L/min
H 500 ml/min–30 L/min 50 ml/min–30 L/min
Contact Bios for extended flow range specifications, or visit our website
at www.biosint.com/products/dclite_models.htm
Battery System 6V rechargeable, sealed lead-acid, 6-8 hours typical operation
AC Battery Charger | Power Adapter Wall-mounted, single-station charge,
input: 100 to 120 VAC, 60 Hz., output: 12 VDC. Optional input: 200 to 240 VAC,
50 Hz., output 12 VDC.
Operating Modes Single reading, 10 readings, or auto-mode.
Temperature Range 0–55 °C
Humidity Range 0–70% non-condensing
Printer Port Standard parallel (Not compatible with printers that require
Microsoft ® Windows ™ )
Warranty Product, 1 year; battery, 6 months
The annual recalibration program offered by Bios is elective and is not included
as a warranty item. All specifications are subject to change.
Please contact Bios or visit our web site at www.biosint.com for the most
current information.