Laser One
30Pages

OPERATING MANUAL

Q.E.D. ENVIRONMENTAL SYSTEMS LIMITED - Cyan Park - Unit 3, Jimmy Hill Way, Coventry. CV2 4QP. UNITED KINGDOM  Tel: +44 (0)333 800 0088  E-Mail: sales@qedenv.co.uk  Web: www.qedenv.com Page 2 of 30 REGISTERED IN ENGLAND AND WALES NO. 1898734

Q.E.D. ENVIRONMENTAL SYSTEMS LIMITED - Cyan Park - Unit 3, Jimmy Hill Way, Coventry. CV2 4QP. UNITED KINGDOM  Tel: +44 (0)333 800 0088  E-Mail: sales@qedenv.co.uk  Web: www.qedenv.com Page 3 of 30 REGISTERED IN ENGLAND AND WALES NO. 1898734

2 WARNINGS ATEX The operating manual must be read and fully understood before using the equipment. This warning is in place so that the operator fully understands the product and its use within the application. Battery must be replaced in a non-hazardous, safe area Use only with battery pack QED PBLO Battery pack QED PBLO must only be used with QED LASER ONE or SEM5000 Do not charge the device in a hazardous area OR only charge in a non-hazardous, safe area Battery charging and communication (USB) must only be done in a non-hazardous, safe area with adapter QED CCLO 100189 Use only this...

The apparatus type “LASER ONE” “SEM5000”, is usable in gas explosive atmosphere of group IIB and temperature class T3 for an ambient temperature from -25°C to +50°C. The apparatus is category 2 and may be used in areas 1 and 2. The respect of essential safety requirements, defined in annex II of the 2014/34/ UE directive from 26th February 2014, is obtain by the apparatus conformity to the standards: EN 60079-0 : 2012 + A11 :2013 Explosive atmospheres – Part 0: Equipment – General requirements Explosive atmospheres – Part 11. Equipment protection by intrinsic safety « i » Explosive...

3 GENERAL DESCRIPTION The LASER ONE is a digital gas detection instrument manufactured by QED Environmental Systems Ltd. The intended use of the LASER ONE is to measure low concentrations of Methane in various applications (leakage survey of natural gas networks, control pinpointing outside buildings, quantifying Methane levels and laboratory applications for gas analysis). The LASER ONE instrument has selective measurement of Methane due to the Laser technology used. The LASER ONE delivers reliable and accurate measurements of Methane concentrations, irrespective of whether the sample...

4 USER INTERFACE Overview of the instrument [1] Description ON/OFF button + Backlight Function button Buzzer Jogdial LED Alarm Lights and Impact Bumpers Carry strap Connectors Connections Description Gas Sample Inlet Battery Charger / Data download Connector Q.E.D. ENVIRONMENTAL SYSTEMS LIMITED - Cyan Park - Unit 3, Jimmy Hill Way, Coventry. CV2 4QP. UNITED KINGDOM  Tel: +44 (0)333 800 0088  E-Mail: sales@qedenv.co.uk  Web: www.qedenv.com Page 7 of 30 REGISTERED IN ENGLAND AND WALES NO. 1898734

PRESENT IN ALL VERSION OF LASER ONE Pump status Buzzer status GPS status Battery status Measurement of Methane Type of view: ABS (absolute) – REL (relative) Unit of Measurement: PPM (parts per million) – % VOL (volume) Bluetooth enabled and active % of Memory Used Peak value over last 120 seconds Information (data download, test results etc.) NOTE: When the options C and F are not active, the icons associated with these options are not displayed. The icons for G, H and I will only be displayed when the instrument is in logging mode. Navigation System (menu) Q.E.D. ENVIRONMENTAL SYSTEMS...

Flow Diagram of the jogdial menu Push the jogdial and the menu will appear in the display window [E]. Rotate the jogdial to scroll through the available menu options. Once you have identified your desired option, push the jogdial to confirm your selection. While a menu is active, the value of the gas is shown in the upper right corner and in the lower right corner of the display [D] and [H]. Select “ESC” to exit the Menu. Q.E.D. ENVIRONMENTAL SYSTEMS LIMITED - Cyan Park - Unit 3, Jimmy Hill Way, Coventry. CV2 4QP. UNITED KINGDOM  Tel: +44 (0)333 800 0088  E-Mail: sales@qedenv.co.uk  Web:...

5 INSTRUMENT’S FUNCTION Switching the instrument ON and OFF Switch ON Press the ON/OFF button for a few seconds, until the display is activated. The start sequence includes several steps: - Huberg logo. Firmware version of the instrument, detector board information, instrument serial number and next calibration date. Current date / time and next calibration. If there is data stored in the instrument, you will see the message "DATA TO DOWNLOAD". In order to download the data, the ProSoft software must be used. The instrument will warm up and self-calibrate. The warm up will last...

6 START SURVEY Use of GPS (Optional) After switching the instrument on, the GPS will not be active. The integral GPS allows the user to save the measured gas level with current GPS coordinates. The available memory installed in the instrument will give the user the facility to store a full day of measurements, it can record up to 8 hours. The GPS information is stored every second. Note: Data is only acquired and saved when the GPS is active. NB: ---- % means that the instrument is not logging. GPS Activation To activate the GPS, press the Jogdial and rotate the dial to scroll through the...

Saving leaks To save a leak into the memory of the instrument, push the jogdial and rotate it until the Menu “Save Leak” appears. Push the jogdial to save the leak. This operation is possible only if the GPS is on. Delete data To delete the data stored in the instrument, press the jogdial and rotate it until the menu displays DELETE MEMORY. Press the jogdial to confirm the selection. Please Note: There is no secondary confirmation that you want to delete data. Description of the pneumatic circuits The LASER ONE samples using a membrane pump. The typical flow is 0.8 l/m and the minimum flow...

To toggle the sample pump between its ‘on’ and ‘off’ state, press the Function button. When off, the pump icon will have a ‘X’ overlay and the main display (and ‘%LEL’) will show four horizontal lines. The ingress of water or impurities may cause the malfunction of the pneumatic circuit and in some cases the damage to the sensors. If the sampling is interrupted or suspended by the pump being turned off, the instrument will stop logging and horizontal lines (" - - -") will appear adjacent to the memory capacity percentage. Restarting the pump operation To turn the pump ON, press the Function...