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19 

SM-UM-0004-01 

 

5.

 

Certificates of Compliance 

The following certificates of compliance are available here: https://nevadanano.com/downloads 

Certificates of 
Compliance 

Certification Body 

Certificate Number 

MPS Form Factor 
Certified 

Certificate of Conformity 
(USA)  

FM Approvals LLC 

FM19US0145U 

“IS” Industrial Only

 

Certificate of Conformity 
(Canada) 

FM Approvals LLC 

FM19CA0077U 

“IS” Industrial Only

 

ATEX Certificate  

FM Approvals LLC 

FM19ATEX0184U 

“IS” Industrial Only

 

IECEx Test Report 

FM Approvals LLC 

IECEx FMG 19.0028U 

“IS” Industrial Only

 

IECEx Quality 
Assessment Report 

FM Approvals LLC 

GB/FME/QAR19.0020/00 

“IS” Industrial Only

 

ATEX Quality Assurance 
Notification  

FM Approvals LLC 

FM19ATEXQ0200 

“IS” Industrial Only

 

Certificate of Registration 
of Quality Management 
System (ISO 9001:2015) 

National Standards 
Authority of Ireland 
(NSAI) 

19.8213 

“IS” Industrial 

&  

“Mini” Residential

 

 

 

Summary of Contents for MOLECULAR PROPERTY SPECTROMETER A2L IS

Page 1: ...NNTS Proprietary Information SM UM 0004 01 MOLECULAR PROPERTY SPECTROMETERTM MPSTM A2L REFRIGERANT GAS SENSOR USER MANUAL Industrial form factor Available now Residential form factor Available 2020...

Page 2: ...ect indirect special exemplary incidental or consequential damages resulting from any defect or omission in this document even if advised of the possibility of such damages In the interest of continue...

Page 3: ...ksum Calculation 7 2 1 4 Startup and Measurement Sequence 8 2 1 5 Command Table 11 2 1 6 Command Descriptions 11 2 2 Sensor Analog Output Mode 14 3 Testing the MPS A2L Refrigerant Gas Sensor 15 3 1 Se...

Page 4: ...ction describes the software interface requirements for the MPS A2L Refrigerant Gas Sensor and will be useful to system integrators when designing the sensor assembly into a final product The preferre...

Page 5: ...he header as an acknowledgement of the request Figure 1 Request Packet Structure The Request Packet Figure 1 consists of the following fields Field Size Description CmdID 2 Bytes Command ID of this re...

Page 6: ...O_MEM Insufficient memory for operation N A Contact support 0x05 UNKNOWN_CMD Unknown Command ID specified N A Verify Command ID is correct See Section 2 1 5 0x07 INCOMPLETE_COMMAND Incomplete or trunc...

Page 7: ...0xdbfd 0xcbdc 0xfbbf 0xeb9e 0x9b79 0x8b58 0xbb3b 0xab1a 0x6ca6 0x7c87 0x4ce4 0x5cc5 0x2c22 0x3c03 0x0c60 0x1c41 0xedae 0xfd8f 0xcdec 0xddcd 0xad2a 0xbd0b 0x8d68 0x9d49 0x7e97 0x6eb6 0x5ed5 0x4ef4 0x3...

Page 8: ...nitializes for the first 10 cycles after powering up During this period the sensor output is set to 100 LEL the sensor status is set to HW_SENSOR_INITIALIZATION and the sensor is not capable of report...

Page 9: ...nfo Wait 2 seconds Get Answer Read Register 0x42 Write Register 0x61 Value 0x2 Read Register 0x01 Use Version Info to determine FW upgrade answer type feature set etc New Answer Read MPS Status Status...

Page 10: ...x0001 0x0000 CmdID Length Checksum Reserved Checksum 0x61 0x00 Checksum Perform Measurement Response 0x02 Payload Length CmdID Status Checksum Request 0x0001 0x0000 0x0000 CmdID Length Checksum Reserv...

Page 11: ...unsigned value Cycle Number of this measurement incremented after each measurement CONC 32 bit floating point value Flammable gas concentration LEL ID 32 bit unsigned value Flammable gas ID See Comma...

Page 12: ...LENGTH field 5 Command 0x21 TEMP Read Temperature Description Returns the ambient temperature C as reported by the integrated environmental sensor Parameters N A Response TEMP 32 bit floating point va...

Page 13: ...on Z 7 0 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 HW Version W 7 0 HW Version X 7 0 Protocol Version W 7 0 Protocol Version X 7 0 11 Command 0x43...

Page 14: ...ta and states Parameters N A Response N A 2 2 Sensor Analog Output Mode The MPS A2L Refrigerant Gas Sensor is factory configurable to report gas concentrations via an analog signal that mimics the out...

Page 15: ..._MCU_FLASH 2 9 HW_SENSOR_INITIALIZATION 0 1 HW_SENSOR_MALFUNCTION 2 9 3 Testing the MPS A2L Refrigerant Gas Sensor The MPS A2L Refrigerant Gas Sensor measures molecular properties to determine the qua...

Page 16: ...s leak As an example a tank measuring 12 x 12 x 18 inches has a volume of 2 592 in3 0 0425 m3 R 32 refrigerant reaches 100 LEL at a concentration of 14 4 by volume in air So flowing pure R 32 refriger...

Page 17: ...gulated gas cylinders are connected to a gas mixing system e g Environics 4040 to control gas flow rates and concentrations The gas travels through a heat exchanger and humidity permeable tubing e g N...

Page 18: ...es positive and negative pulses Vibration IEC 60068 2 6 31Hz 150 Hz 2G acceleration 1 hour per axis 3 axes Sand Dust MIL STD 810G Method 510 5 Sand 150 600 m SiO2 particle size 23 m s nom velocity 5 h...

Page 19: ...ity Canada FM Approvals LLC FM19CA0077U IS Industrial Only ATEX Certificate FM Approvals LLC FM19ATEX0184U IS Industrial Only IECEx Test Report FM Approvals LLC IECEx FMG 19 0028U IS Industrial Only I...

Page 20: ...SM UM 0004 01 Nevada Nanotech Systems Inc 1395 Greg Street Suite 102 Sparks Nevada 89431 United States Tel 1 775 972 8943 Fax 1 775 972 8078 info nevadanano com www nevadanano com...

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