Air Quality Sensors PM, RH & T, CO2 sensor platform
SEN63C-SIN-T
Sensirion
1:
HK$261.40
339 In Stock
420 Expected 11/11/2026
New Product
Mouser Part No 403-SEN63C-SIN-T
New Product
Sensirion
Air Quality Sensors PM, RH & T, CO2 sensor platform
339 In Stock
420 Expected 11/11/2026
1
HK$261.40
5
HK$239.70
10
HK$231.64
25
HK$221.94
50
View
50
HK$213.64
100
HK$207.80
840
Quote
Buy
Min.: 1 Mult.: 1
Details
Flow Sensors Top Price-Performance Gas Flow sensor with high accuracy, lowest noise, lowest pressure drop
SFM3505-300
Sensirion
1:
HK$1,076.98
108 In Stock
New Product
Mouser Part No 403-SFM3505-300
New Product
Sensirion
Flow Sensors Top Price-Performance Gas Flow sensor with high accuracy, lowest noise, lowest pressure drop
108 In Stock
1
HK$1,076.98
5
HK$1,002.59
10
HK$974.89
30
HK$935.52
60
HK$913.24
Buy
Min.: 1 Mult.: 1
Details
Flow Sensors Top Price-Performance Gas Flow sensor with highest accuracy, lowest noise, lowest pressure drop
SFM3505-300-X
Sensirion
1:
HK$1,500.15
67 In Stock
New Product
Mouser Part No 403-SFM3505-300-X
New Product
Sensirion
Flow Sensors Top Price-Performance Gas Flow sensor with highest accuracy, lowest noise, lowest pressure drop
67 In Stock
1
HK$1,500.15
5
HK$1,384.49
10
HK$1,336.65
30
HK$1,292.18
60
View
60
HK$1,267.94
120
Quote
Buy
Min.: 1 Mult.: 1
Details
Multiple Function Sensor Development Tools Evaluation Cable for SFM3505 family
SEK-SFM3505 Evaluation Cable
Sensirion
1:
HK$181.74
6 In Stock
16 On Order
New Product
Mouser Part No 403-SEK-SFM3505CABLE
New Product
Sensirion
Multiple Function Sensor Development Tools Evaluation Cable for SFM3505 family
6 In Stock
16 On Order
View Dates
Stock:
6 Can Dispatch Immediately
On Order:
10 Expected 9/9/2026
6 Expected 23/9/2026
Factory Lead Time:
7 Weeks
Buy
Min.: 1 Mult.: 1
Air Quality Sensors SFA40 Formaldehyde Sensor for 1 - 2000 ppb formaldehyde concentration measurements with I2C interface and 6 years service life; features onboard Sensirion RHT sensor
SFA40-D-R1
Sensirion
1:
HK$238.05
172 In Stock
New Product
Mouser Part No 403-SFA40-D-R1
New Product
Sensirion
Air Quality Sensors SFA40 Formaldehyde Sensor for 1 - 2000 ppb formaldehyde concentration measurements with I2C interface and 6 years service life; features onboard Sensirion RHT sensor
172 In Stock
Alternative Packaging
1
HK$238.05
5
HK$200.81
10
HK$186.59
25
HK$169.41
50
HK$160.37
250
HK$136.21
Buy
Min.: 1 Mult.: 1
Max.: 250
Reel :250
Details
Air Quality Sensors High CO2 accuracy with comprehensive building standard compatibility, builds on the photoacoustic NDIR sensing principle
SCD43-D-R2
Sensirion
1:
HK$173.69
970 In Stock
2,400 On Order
New Product
Mouser Part No 403-SCD43-D-R2
New Product
Sensirion
Air Quality Sensors High CO2 accuracy with comprehensive building standard compatibility, builds on the photoacoustic NDIR sensing principle
970 In Stock
2,400 On Order
View Dates
Stock:
970 Can Dispatch Immediately
On Order:
1,200 Expected 30/9/2026
1,200 Expected 7/10/2026
Factory Lead Time:
13 Weeks
1
HK$173.69
5
HK$158.56
10
HK$152.89
25
HK$146.15
50
View
600
HK$127.99
50
HK$141.55
100
HK$138.92
600
HK$127.99
1,200
Quote
Buy
Min.: 1 Mult.: 1
Reel :600
Details
Multiple Function Sensor Development Tools Evaluation kit for the SEN6x family. PM, NOx, VOC, RH & T, CO2, Formaldehyde sensor platform (one driver for up to 9 data signals)
SEK-SEN66
Sensirion
1:
HK$843.62
127 In Stock
New Product
Mouser Part No 403-SEK-SEN66
New Product
Sensirion
Multiple Function Sensor Development Tools Evaluation kit for the SEN6x family. PM, NOx, VOC, RH & T, CO2, Formaldehyde sensor platform (one driver for up to 9 data signals)
127 In Stock
Buy
Min.: 1 Mult.: 1
Details
Air Quality Sensors Sensing Platform for PM, RH/T, VOC, NOx and CO2 Measurements
SEN66-SIN-T
Sensirion
1:
HK$505.04
1,752 In Stock
New Product
Mouser Part No 403-SEN66-SIN-T-ES
New Product
Sensirion
Air Quality Sensors Sensing Platform for PM, RH/T, VOC, NOx and CO2 Measurements
1,752 In Stock
1
HK$505.04
5
HK$466.57
10
HK$452.18
25
HK$435.00
50
View
50
HK$420.29
100
HK$409.77
420
Quote
Buy
Min.: 1 Mult.: 1
Details
Air Quality Sensors A2L Refrigerant Sensor, R-32, R-454B 8 Pin, 24V, RS485, Relay
SGD43S-M3-S5
Sensirion
1:
HK$471.01
398 In Stock
New Product
Mouser Part No 403-SGD43S-M3-S5
New Product
Sensirion
Air Quality Sensors A2L Refrigerant Sensor, R-32, R-454B 8 Pin, 24V, RS485, Relay
398 In Stock
1
HK$471.01
5
HK$434.76
10
HK$408.86
25
HK$397.44
50
View
50
HK$391.27
100
HK$375.65
200
HK$375.57
600
Quote
Buy
Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools
SHT43 DemoBoard
Sensirion
1:
HK$230.08
1,250 In Stock
410 On Order
New Product
Mouser Part No 403-SHT43DEMOBOARD
New Product
Sensirion
Multiple Function Sensor Development Tools
1,250 In Stock
410 On Order
View Dates
Stock:
1,250 Can Dispatch Immediately
On Order:
200 Expected 30/9/2026
210 Expected 2/12/2026
Factory Lead Time:
17 Weeks
Buy
Min.: 1 Mult.: 1
Details
Board Mount Temperature Sensors The STS4L is a fully digital, highly cost-effective temperature sensor that provides the accuracy required for most applications.
STS4L-AD1B-R3
Sensirion
1:
HK$4.44
6,910 In Stock
10,000 Expected 21/10/2026
New Product
Mouser Part No 403-STS4L-AD1B-R3
New Product
Sensirion
Board Mount Temperature Sensors The STS4L is a fully digital, highly cost-effective temperature sensor that provides the accuracy required for most applications.
6,910 In Stock
10,000 Expected 21/10/2026
1
HK$4.44
5
HK$3.86
10
HK$3.41
50
HK$3.25
100
View
10,000
HK$2.38
100
HK$3.09
500
HK$2.75
1,000
HK$2.63
2,000
HK$2.54
5,000
HK$2.38
10,000
HK$2.38
Buy
Min.: 1 Mult.: 1
Reel :10,000
Multiple Function Sensor Development Tools SEK-STCC4-Sensor Evaluation Kit STCC4 on dev. board w. cables
SEK-STCC4-Sensor
Sensirion
1:
HK$534.38
71 In Stock
27 On Order
New Product
Mouser Part No 403-SEK-STCC4-SENSOR
New Product
Sensirion
Multiple Function Sensor Development Tools SEK-STCC4-Sensor Evaluation Kit STCC4 on dev. board w. cables
71 In Stock
27 On Order
View Dates
Stock:
71 Can Dispatch Immediately
On Order:
8 Expected 2/12/2026
9 Expected 13/1/2027
10 Expected 17/3/2027
Factory Lead Time:
31 Weeks
Buy
Min.: 1 Mult.: 1
Details
Air Quality Sensors A2L Refrigerant Sensor, R-454A/R-454C/R-455A 8 Pin, 24V, RS485, Relay
SGD43S-M3-S7
Sensirion
1:
HK$474.62
206 In Stock
600 Expected 11/11/2026
New Product
Mouser Part No 403-SGD43S-M3-S7
New Product
Sensirion
Air Quality Sensors A2L Refrigerant Sensor, R-454A/R-454C/R-455A 8 Pin, 24V, RS485, Relay
206 In Stock
600 Expected 11/11/2026
1
HK$474.62
5
HK$438.13
10
HK$412.07
25
HK$400.64
50
View
50
HK$394.40
100
HK$379.76
200
HK$379.68
Buy
Min.: 1 Mult.: 1
Board Mount Humidity Sensors SHT41-AD1P-R2, 2.5KPCSHum. & Temp. IC with cover
SHT41-AD1P-R2
Sensirion
1:
HK$28.28
4,101 In Stock
New Product
Mouser Part No 403-SHT41-AD1P-R2
New Product
Sensirion
Board Mount Humidity Sensors SHT41-AD1P-R2, 2.5KPCSHum. & Temp. IC with cover
4,101 In Stock
1
HK$28.28
5
HK$25.32
10
HK$22.85
50
HK$21.95
2,500
HK$17.59
5,000
View
100
HK$21.13
500
HK$19.40
1,000
HK$18.58
5,000
HK$17.10
Buy
Min.: 1 Mult.: 1
Reel :2,500
Multiple Function Sensor Development Tools
LD20 BASE STATION
Sensirion
1:
HK$447.41
76 In Stock
Mouser Part No 403-LD20BASESTATION
Sensirion
Multiple Function Sensor Development Tools
76 In Stock
Buy
Min.: 1 Mult.: 1
Details
Flow Sensors
SFC6000D-5SLM
Sensirion
1:
HK$3,208.84
98 In Stock
80 Expected 2/12/2026
Mouser Part No 403-SFC6000D-5SLM
Sensirion
Flow Sensors
98 In Stock
80 Expected 2/12/2026
1
HK$3,208.84
5
HK$3,018.88
10
HK$2,906.59
25
HK$2,863.11
250
View
250
Quote
Buy
Min.: 1 Mult.: 1
Details
Board Mount Humidity Sensors Digital Industrial Humidity and Temperature Sensor incl Filter Membrane
SHT40I-AD1F-R2
Sensirion
1:
HK$23.92
10,663 In Stock
Mouser Part No 403-SHT40I-AD1F-R2
Sensirion
Board Mount Humidity Sensors Digital Industrial Humidity and Temperature Sensor incl Filter Membrane
10,663 In Stock
1
HK$23.92
5
HK$21.37
10
HK$19.23
50
HK$18.50
2,500
HK$15.37
5,000
View
100
HK$17.76
500
HK$16.19
1,000
HK$15.54
5,000
HK$14.96
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Board Mount Humidity Sensors Digital Humidity and Temperature Sensor incl Filter Membrane
SHT45-AD1F-R2
Sensirion
1:
HK$50.39
5,832 In Stock
27,500 On Order
Mouser Part No 403-SHT45-AD1F-R2
Sensirion
Board Mount Humidity Sensors Digital Humidity and Temperature Sensor incl Filter Membrane
5,832 In Stock
27,500 On Order
View Dates
Stock:
5,832 Can Dispatch Immediately
On Order:
12,500 Expected 11/11/2026
15,000 Expected 18/11/2026
Factory Lead Time:
16 Weeks
1
HK$50.39
5
HK$45.37
10
HK$43.48
25
HK$41.26
50
View
2,500
HK$32.80
50
HK$39.70
100
HK$38.14
500
HK$34.85
1,000
HK$33.87
2,500
HK$32.80
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC
STC31-C-R3
Sensirion
1:
HK$285.65
720 In Stock
1,200 Expected 25/11/2026
Mouser Part No 403-STC31-C-R3
Sensirion
Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC
720 In Stock
1,200 Expected 25/11/2026
Alternative Packaging
1
HK$285.65
5
HK$262.22
10
HK$253.50
25
HK$243.07
50
View
400
HK$217.75
50
HK$231.06
100
HK$230.98
250
HK$217.83
400
HK$217.75
Buy
Min.: 1 Mult.: 1
Reel :400
Details
Multiple Function Sensor Development Tools STC31-C Evaluation Kit:Ready to use including SHT40 RH/T Sensor, connection cable to Sensirion's SensorBridge, SEK-SensorBridge required
SEK-STC31-C
Sensirion
1:
HK$574.66
106 In Stock
173 Expected 2/9/2026
Mouser Part No 403-SEK-STC31-C
Sensirion
Multiple Function Sensor Development Tools STC31-C Evaluation Kit:Ready to use including SHT40 RH/T Sensor, connection cable to Sensirion's SensorBridge, SEK-SensorBridge required
106 In Stock
173 Expected 2/9/2026
Buy
Min.: 1 Mult.: 1
Details
Jumper Wires Kit containts a jumper wire (6-pin JST GHR-06V-S) to connect SEN5x to an individual electronics or evaluation board.
SEN5x Jumper 6-pin cable set
Sensirion
1:
HK$65.84
1,032 In Stock
915 Expected 25/11/2026
Mouser Part No 403-SEN5XJUMPERCABLE
Sensirion
Jumper Wires Kit containts a jumper wire (6-pin JST GHR-06V-S) to connect SEN5x to an individual electronics or evaluation board.
1,032 In Stock
915 Expected 25/11/2026
1
HK$65.84
10
HK$63.21
25
HK$60.09
50
HK$58.03
100
View
100
HK$56.06
500
HK$52.11
1,000
HK$50.64
Buy
Min.: 1 Mult.: 1
Flow Sensors
SFM6000D-5SLM
Sensirion
1:
HK$1,879.42
14 In Stock
71 On Order
Mouser Part No 403-SFM6000D-5SLM
Sensirion
Flow Sensors
14 In Stock
71 On Order
View Dates
Stock:
14 Can Dispatch Immediately
On Order:
30 Expected 30/9/2026
41 Expected 28/10/2026
Factory Lead Time:
11 Weeks
1
HK$1,879.42
5
HK$1,759.16
10
HK$1,714.36
25
HK$1,660.77
50
HK$1,624.03
Buy
Min.: 1 Mult.: 1
Details
Board Mount Humidity Sensors +/-1.8%RH/+/-0.2C, 4th generation, digital (I2C) humidity and temperature sensor with 0x46 I2C address.
SHT40-CD1B-R3
Sensirion
1:
HK$15.45
7,332 In Stock
10,000 Expected 29/10/2026
Mouser Part No 403-SHT40-CD1B-R3
Sensirion
Board Mount Humidity Sensors +/-1.8%RH/+/-0.2C, 4th generation, digital (I2C) humidity and temperature sensor with 0x46 I2C address.
7,332 In Stock
10,000 Expected 29/10/2026
1
HK$15.45
5
HK$13.73
10
HK$12.25
50
HK$11.75
100
View
10,000
HK$8.96
100
HK$11.26
500
HK$10.11
1,000
HK$9.70
2,000
HK$9.45
5,000
HK$8.96
10,000
HK$8.96
Buy
Min.: 1 Mult.: 1
Reel :10,000
Details
Board Mount Humidity Sensors Automotive-grade, +/-3%RH/+/-0.3C, 4th generation, humidity (I2C) and temperature sensor with wettable flanks
SHT40A-AW1B-R2
Sensirion
1:
HK$28.28
1,564 In Stock
Mouser Part No 403-SHT40A-AW1B-R2
Sensirion
Board Mount Humidity Sensors Automotive-grade, +/-3%RH/+/-0.3C, 4th generation, humidity (I2C) and temperature sensor with wettable flanks
1,564 In Stock
Alternative Packaging
1
HK$28.28
5
HK$25.24
10
HK$22.93
50
HK$19.65
2,500
HK$14.80
5,000
View
100
HK$18.17
500
HK$16.03
1,000
HK$15.29
5,000
HK$13.97
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Board Mount Humidity Sensors
SHT40I-BD1B-R3
Sensirion
1:
HK$20.39
5,563 In Stock
Mouser Part No 403-SHT40I-BD1B-R3
Sensirion
Board Mount Humidity Sensors
5,563 In Stock
1
HK$20.39
5
HK$18.17
10
HK$16.36
50
HK$15.62
100
View
10,000
HK$12.17
100
HK$15.04
500
HK$13.65
1,000
HK$13.07
2,000
HK$12.74
5,000
HK$12.17
10,000
HK$12.17
Buy
Min.: 1 Mult.: 1
Reel :10,000
Details
