OPTICOM CC-02-4.3 Manual de usuario

Opticom Technologies Inc.

Temperature Testing of

Model CC-02-4.3

CCTV Camera

Prepared by: Weir-Jones Engineering Consultants Ltd.

2040 West 10th Avenue

Vancouver, B.C.

V6J 2B3

Tel: 604 732-8821

Fax: 604 732-4801

E-mail: [email protected]om

Web: www.weir-jones.com

ISO 9001:2000 Registered

June 17 , 2005

Weir-Jones Engineering Consultants Ltd. 30140-REP-001-0.wp9

AUTHORIZATION

The work described in this report was authorized by David Boyd of Opticom Technologies

Inc. on June10 , 2005. The report was prepared by Paul Chong, P.Eng.

Paul Chong, P.Eng.

Project Engineer

Dated at Vancouver, June 14 , 2005.

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TABLE OF CONTENTS

1.0 INTRODUCTION .......................................................1

2.0 TEMPERATURETESTEQUIPMENT ......................................1

2.1 TestEquipment ...................................................1

2.2 EquipmentPlacement ..............................................2

3.0 RESULTS .............................................................3

APPENDIX1:CalibrationCertificates .............................................4

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1.0 INTRODUCTION

On June 10 , 2005 Weir-Jones Engineering Consultants Ltd. (WJEC) was retained by

Opticom Technologies Inc. to perform a set of temperature tests on three of its Model CC-02-4.3

CCTV cameras. The primary objective in testing the cameras was to verify their functionality at low

temperatures. This was done by powering down the units and cooling them to -40°C and -50°C and

verifying that they power-up and function properly at the two temperatures. The testing of the units

was performed on June 10 , 2005.

2.0 TEMPERATURE TEST EQUIPMENT

2.1 Test Equipment

The equipment required for the temperature tests was an environmental chamber

(see Figure 1). The specifications of the chamber are as follows:

Manufacturer: Envirotronics

Model: EVH33-2-705

Temperature range: -73°C to +177°C

Maximum transition rate: 7°C per minute

Controller: manufactured by Micristar

The controller for the environmental chamber was calibrated on April 1 , 2005 by TMC Services

Inc. in Elk River, Minnesota, using instruments there were traceable to NIST. The calibration

certificate of the controller is provided in Appendix 1.

Controller

Figure 1: Weir-Jones Engineering Consultants Ltd. environmental chamber.

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In addition to the Controller providing both dry-bulb and wet-bulb temperature readings, two

external measurement devices were also used to display the ambient temperature inside the

environmental chamber and also the temperature of the unit under test. The two measurement

devices were:

• Fluke Model 80TK thermocouple module (S/N 6983158) for the display of the ambient

chamber temperature.

• Fluke Model 80TK thermocouple module (S/N 6983164) for the display of the temperature

of the unit under test.

The calibration certificates for the Fluke thermocouple modules are also provided in Appendix 1.

The outputs from the thermocouple modules were recorded by a HP 34970A data acquisition unit

at a sampling rate of one sample every five minutes.

2.2 Equipment Placement

The placement of the three Opticom CCTV cameras within the environmental chamber is

shown in Figure 2. An external video monitor is placed outside the chamber in order to view the

output from the cameras.

Thermocouple to monitor the temperature of the camera casing.

Thermocouple to monitor the ambient temperature within the chamber.

Figure 2: Placement of the CCTV cameras within the environmental chamber.

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3.0 RESULTS

The graphical result for the temperature testing of the Model CC-02-4.3 CCTV cameras is

presented in Figure 3. Based on the temperature measurements it can be seen that the temperature

of the camera casing was cooled to -40°C at around 13:00 on June 10 and allowed to soak at that

temperature for approximately 3 hours. In addition, the temperature measurements also showed that

the temperature of the camera casing was cooled to -50°C at around 16:30 on June 10 and allowed

to soak at that temperature for approximately 45 minutes.

The functionality of the three CCTV cameras was verified and witness by David Boyd of

Opticom Technologies Inc. at the end of each temperature step by powering up the cameras and

viewing the video output on the external monitor. In both temperature extremes, each camera

powered up and provided video output to the external monitor. The results showed that all three

CCTV cameras can operate at -40°C and -50°C and therefore will likely operate even when

subjected to these temperatures for an external period.

Figure 3: Temperature testing results for the Model CC-02-4.3 CCTV cameras.

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APPENDIX 1: Calibration Certificates

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Weir-Jones Engineering Consultants Ltd. 6 30140-REP-001-0.wp9

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