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Equipment suitability 

This monitor is designed primarily for use in blacktop Laboratories, to monitor the process of 
bitumen binder recovery from road materials, and alert the user to flask bung failures, leaks in 
the Methylene Chloride supply system, or fume extraction failures, it is also suitable for use in 
still recovery rooms as a leak detector. 

Because the unit does not have any data logging capacity or time weighted average 
functionality, is not suitable for monitoring personal exposure to dichloromethane vapour beyond 
alerting the user to a preset alarm level, in most cases 100 parts per million.  

Installation instructions 

Please read the following information carefully before installing the unit. The information 
contained in this manual, and the specifications are correct as of the date of publication. 

This operation manual is designed to give users precise information on how to install and use 
the monitor. Although every effort is made to ensure accuracy, this manual may contain 
technical unintentional technical inaccuracies. 

On behalf of its clients, 

Impact

 reserve the right to modify the technical characteristics of its

equipment without notice to improve product performance. 

Safety Warnings 

Installation and any electrical connections should be performed by a qualified professional, 
failure to observe these rules may result in serious injury. 

Important information 

The modification of any component or the use of any third party components will automatically 
void any and all guarantees. 

Limitation of liability 

Neither 

Impact

 nor any associated organisation shall be held responsible under any

circumstances for any damage whatsoever including without limitations, damages for loss of 
manufacturing production, interruption to that production, the loss of company information, 
instrument failure, personal injury, loss of materials, loss of time, loss of money or for any 
indirect or consecutive consequence of loss occurring during the use of this product or the 
inability to use this product. 

Summary of Contents for BM350

Page 1: ...m User Guide User Guide www impact test com www impact test co uk www impact testsets co uk Methylene Chloride Monitor BM350 Impact Test Equipment Ltd www impact test co uk www impact test com www imp...

Page 2: ...st Equipment Ltd Building 21 Stevenston Ind Est Stevenston Ayrshire KA20 3LR T 01294 602626 F 01294 461168 E sales impact test co uk Test Equipment www impact test co uk Test Sieves Accessories www im...

Page 3: ...oduct description and safety features Installation instructions Power connection Relay connection and mounting location General information and operation Additional Information re sensor performance M...

Page 4: ...requirements The monitor incorporates three fuses one domestic 3 amp plug head fuse and one internal circuit board mounted 1A time delay fuse and one 2A fuse to protect the alarm relay If required an...

Page 5: ...use the monitor Although every effort is made to ensure accuracy this manual may contain technical unintentional technical inaccuracies On behalf of its clients Impact reserve the right to modify the...

Page 6: ...sary where no socket outlet is present firstly ensure the mains lead is not connected isolate the plug so it cannot be connected accidentally loosen the two screws holding the lower cover in place rem...

Page 7: ...he monitor alarm circuit is muted and the displayed reading is held low this is a normal and necessary part of installation after a short time the reading should settle down close to zero any reading...

Page 8: ...evel has been reached Alarm sounder This activates when the alarm state is reached giving a high pitched continuous tone Sensor malfunction LED This alerts the user that a variation away from normal p...

Page 9: ...f the sensor is exposed in extreme conditions such as very high humidity high temperatures or high contamination levels of organic vapours or other gases for a long period of time sensor performance m...

Page 10: ...tests humidity temperature dust etc calibration should occur at least once a year The site manager is responsible for implementing the safety procedures on his site Impact is not responsible for impl...

Page 11: ...e 0 199ppm 0 2000mg m 3 Dimensions 210 x 185 x 110 mm Accuracy 10 Cal level Visual alarm Red alarm led Weight 0 4kg Audio alarm Integrated sounder Response time 30 Seconds Typical 100 ppm Malfunction...

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