  | 
                
                     H5524 
                    Comet America 
                 | 
                CO2 ETHERNET , TWO RELAYS  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     VQ549ZD 
                    Amphenol 
                 | 
                4.25V -VQ49 PELLISTOR IN A VQ500  | 
                
                                            
                            - 1: $67.73000
 - 5: $64.34487
 - 10: $59.26444
                          
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     VQ31MB 
                    Amphenol 
                 | 
                PELLISTOR PR 3.5V/90MA TC C CAN  | 
                
                                            
                            - 1: $58.48000
 - 5: $55.55953
 - 10: $51.17379
                          
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     T6615 
                    Thermometrics (Amphenol Advanced Sensors) 
                 | 
                CO2 MODULE 2000PPM DIFFUSION  | 
                
                                            
                            - 1: $100.78000
 - 5: $95.47200
 - 10: $84.86400
                          
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     ZMOD4410AI3R 
                    Renesas Electronics America 
                 | 
                TVOC SENSOR FOR WATER-RESISTANT  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     U8410M 
                    Comet America 
                 | 
                CO2 LOGGER , GSM MODEM  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     H5521 
                    Comet America 
                 | 
                CO2 ETHERNET , TWO RELAYS  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     T3032-2-10K-24-P 
                    Thermometrics (Amphenol Advanced Sensors) 
                 | 
                INDUSTRIAL CO2 SENSOR, DUAL CHAN  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     T3022-1-5K-5-1 
                    Thermometrics (Amphenol Advanced Sensors) 
                 | 
                T6713 CO2 SENSOR 1.0M CABLE JST  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     VQ635M/3 
                    Amphenol 
                 | 
                VQ35 PELLISTOR, VQ600 HEAD, 0.75  | 
                
                                            
                            - 1: $186.29120
 - 25: $184.22040
                          
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     75-153123130659 
                    City Technology 
                 | 
                MINI O3 3E 1 F TRANSMITTER BOARD  | 
                
                                            
                            - 1: $556.80000
 - 5: $537.60000
 - 10: $528.00000
                          
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     IR11GJ 
                    Amphenol 
                 | 
                19MM, 0-5% VOLUME CO2 INFRARED G  | 
                
                                            
                            - 1: $171.37000
 - 5: $160.66061
 - 10: $155.30592
                          
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     T3031-2-5K-24-P 
                    Thermometrics (Amphenol Advanced Sensors) 
                 | 
                INDUSTRIAL CO2 SENSOR, DUAL CHAN  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     H5421 
                    Comet America 
                 | 
                CO2 REGULATOR WITH RS485 OUTPUT  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     SEN-09404 
                    SparkFun 
                 | 
                METHANE CNG GAS SENSOR - MQ-4  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     T5100-I 
                    Thermometrics (Amphenol Advanced Sensors) 
                 | 
                AIRESTAT, ABC LOGIC CO2,CURRENT,  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     VQ631M/3 
                    Amphenol 
                 | 
                VQ31 PELLISTOR, VQ600 HEAD, 0.75  | 
                
                                            
                            - 1: $182.83840
 - 25: $180.81000
                          
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     SEN-09403 
                    SparkFun 
                 | 
                CARBON MONOXIDE SENSOR - MQ-7  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     T5240 
                    Comet America 
                 | 
                CO2 TRANSMITTER WITH 0-10V  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 | 
                
                
                  | 
                
                     VQ21TSB 
                    Amphenol 
                 | 
                POISON RESISTANT 2V FLAMMABLE GA  | 
                
                                            
                                     | 
                
                     
                        
                        
                     
                 |