Filter
Mfr
Wickmann / Littelfuse
Intersil (Renesas Electronics Corporation)
Omron Electronic Components
Omron Automation
IR (Infineon Technologies)
Honeywell Sensing and Productivity Solutions
Advanced Thermal Solutions, Inc.
Sensata Technologies – Cynergy3
Panasonic Industrial Automation Sales
Olimex
Adafruit
Seeed
Sensirion
IDT, Integrated Device Technology Inc
DFRobot
SICK
PIC GmbH
Siargo
ifm Efector
ScioSense
Sensaphone
IST (Innovative Sensor Technology)
Posifa Technologies
Endress+Hauser
Goertek Microelectronics
Angst+Pfister Sensors and Power
Kelly Pneumatics
Atlas Scientific
Tek-Flux
Series
ATS
FS1015
LFS
Package
切带 (CT)
包
卷带式 (TR)
托盘
散装
案件
盒子
管子
胶带和盒子 (TB)
Voltage - Input
0.3V ~ 5.5V
2.5V ~ 5.5V
2.7V ~ 5.5V
2.97V ~ 3.63V
2V ~ 5V
2V ~ 6V
3.2V ~ 3.8V
3.3V
3.3V ~ 3.6V
3.3V ~ 3.7V
3.3V ~ 24V
3.5V ~ 9V
3.5V ~ 12V
3.5V ~ 24V
3.15V ~ 3.45V
3.15V ~ 9.45V
3V ~ 3.6V
3V ~ 5.5V
3V ~ 5.6V
3V ~ 5V
3V ~ 10V
4.5V ~ 5.5V
4.7V ~ 5.5V
4.75 ~ 5.25V
4.75V ~ 5.25V
4.75V ~ 9.45V
4V ~ 6V
4V ~ 12V
4V ~ 24V
5V
5V ~ 5.5V
5V ~ 9V
5V ~ 12V
5V ~ 15V
5V ~ 18V
5V ~ 24V
6V ~ 16V
6V ~ 24V
7V ~ 18V
8V ~ 15V
8V ~ 24V
9V ~ 15V
9V ~ 30V
10.8 ~ 26.4V
10.8V ~ 26.4V
10V
12V
12V ~ 24V
12V ~ 30V
14V ~ 26.4V
16V ~ 26V
17V ~ 30V
18V ~ 30V
18V ~ 36V
18V ~ 60V
22.8V ~ 25.2V
24V
100V
230V
250VAC
Operating Temperature
-10°C ~ 55°C
-10°C ~ 60°C
-10°C ~ 70°C
-10°C ~ 80°C
-10°C ~ 95°C
-10°C ~ 100°C
-15°C ~ 50°C
-20°C ~ 60°C
-20°C ~ 70°C
-20°C ~ 80°C
-20°C ~ 85°C
-20°C ~ 150°C
-25°C ~ 65°C
-25°C ~ 80°C
-25°C ~ 85°C
-28°C ~ 120°C
-29°C ~ 82°C
-29°C ~ 100°C
-30°C ~ 75°C
-30°C ~ 120°C
-30°C ~ 150°C
-33°C ~ 75°C
-40°C ~ 70°C
-40°C ~ 80°C
-40°C ~ 125°C
-50°C ~ 180°C
0°C ~ 27°C
0°C ~ 40°C
0°C ~ 45°C
0°C ~ 50°C
0°C ~ 55°C
0°C ~ 60°C
0°C ~ 70°C
0°C ~ 80°C
0°C ~ 85°C
5°C ~ 45°C
5°C ~ 50°C
5°C ~ 60°C
10°C ~ 50°C
20°C ~ 25°C
80°C
85°C
100°C
120°C (Max)
Switch Function/Rating
0mA to 20mA, NPN, PNP, Pulse
4mA to 20mA
4mA to 20mA, 2V to 10V, Pulse
4mA to 20mA, NPN, PNP, Pulse
4mA to 20mA, Pulse
4mA to 20mA, Pulse, Push-Pull
Analog
Analog, I2C
Analog, RS232
Analog 0.2 ~ 2V, I2C
Analog 1 ~ 5V, I2C
Frequency, Square Wave
I2C
I2C, RS485
I2C, Voltage
IO-Link, Analog 0 ~ 10V
Logic
NPN
Pulse, Push-Pull
RS485
SPDT
SPST-NC, 1mA
Material - Body
Acetal Copolymer
Acrylonitrile Butadiene Styrene (ABS), Polyamide, Stainless Steel
Aluminum
Brass
Copper
Hard Rubber
Liquid-Crystal-Polymer (LCP), Polyetherimide (PEI)
Nylon
Nylon, Parylene
PBT Plastic
PPS
Plastic
Polyamide
Polycarbonate-ABS
Polyethylene (PE), Polyphenylene Ether (PPE)
Polymer
Polymer, Thermoplastic (GR)
Polyphenylene Oxide (PPO)
Polyphenylene Sulfide (PPS)
Polyphenylsulfone (PPSU)
Polypropylene
Polytetrafluoroethylene (PTFE)
Stainless Steel
Steel
Thermoplastic resin
Thermoplastic resin / Aluminum alloy
Port Size
0.10" x 0.20" (2.6mm x 5mm)
0.34" (8.6mm)
0.157" (4mm) Tube Clamp
0.196" (5mm)
0.197" (5mm) Tube Clamp
0.276" (7mm)
0.315" (8mm)
0.787" (20mm)
1.0" (25.4mm) BSP
1.0" (25.4mm) NPT
1/4" (6.35mm) Tube Clamp
1/4", 0.25" (6.35mm) RC
2.3mm
2mm x 3mm
3/4", 0.75" (19.05mm) BSP
3/8" (9.525mm) Tube Clamp
4" (101.6mm) Flange
6" (152.4mm) Flange
6mm
8" (203.2mm) Flange
8mm
DN 10, Clamp
DN 20, Clamp
DN 25, Clamp
Female, 0.5" (12.7mm)
Female, 0.19" (4.826mm)
Female, 0.157" (4mm)
Female, 0.295" (7.5mm)
Female, 0.315" (8mm)
Female, 0.342" (8.7mm)
Female, 0.511" (13mm)
Female, 0.708" (18mm)
Female, 1" (25.4mm) NPT
Female, 1.3" (33mm)
Female, 1.5" (38.1mm) NPT
Female, 1.25" (25.4mm) NPT
Female, 1/2" (12.7mm) NPT
Female, 1/2", 0.5" (12.7mm) BSPP
Female, 1/2", 0.5" (12.7mm) NPT
Female, 1/4" (6.35mm) BSPT
Female, 1/4" (6.35mm) NPT
Female, 1/4" (6.35mm) SAE
Female, 1/4"-28 (6.35mm) Flat Bottom, UNF
Female, 1/8", 0.125" (3.175mm) NPT
Female, 2" (50.8mm) NPT
Female, 2.5" (63.5mm) NPT
Female, 3" (76.2mm) NPT
Female, 3/4" (19.05mm) NPT
Female, 3/8", 0.375" (9.525mm)
Female, 6-40, UNF
Female - 1 1/4" (31.75mm) G
Female - 1" (25.4mm) G
Female - 2 1/4" (57.15mm) G
Female - 2 3/4" (69.85mm) G
Female - 2" (50.8mm) G
Female - 3/4" (19.05mm) G
Female - G1/4" (6.35mm) BSPP
GF Connection, G1 1/2
Male, 0.2" (5.08mm)
Male, 0.16" (4.06mm) Tube, Dual
Male, 0.24" (6mm) Tube
Male, 0.24" (6mm) Tube, Dual
Male, 0.28" (7.2mm) Tube, Dual
Male, 0.37" (9.4mm) Tube, Dual
Male, 0.90" (23.0mm) Tube, Dual
Male, 0.99" (25.2mm) Tube
Male, 0.185" (4.699mm) Tube, Dual
Male, 0.193" (4.9mm) Tube, Dual
Male, 0.204" (5.2mm) Tube
Male, 0.210" (5.35mm) Tube, Dual
Male, 0.210" (5.334mm)
Male, 0.232" (5.90mm)
Male, 0.246” (6.248mm) Tube, Dual
Male, 0.425" (10.8mm) Tube, Dual
Male, 0.575" (14.6mm) Tube, Dual
Male, 0.579" (14.7mm) Tube, Dual
Male, 0.861" (21.86mm) Tube, Dual
Male, 0.5784" (14.7mm) Tube, Dual
Male, 0.8661" (22mm)
Male, 1 1/4" (31.75mm) NPT
Male, 1 1/4" (31.75mm) NPT, Dual
Male, 1" (25.4mm) BSP
Male, 1" (25.4mm) NPT
Male, 1/2", 0.5" (12.7mm) BSP
Male, 1/4" (6.35mm) 18 NPT
Male, 1/4" (6.35mm) UNF
Male, 1/4", 0.25" (6.35mm) 18 NPT
Male, 1/4", 0.25" (6.35mm) NPT
Male, 2" (50.8mm) NPT
Male, 3/4", 0.75" (19.05mm) BSP
Male, 3/8" (9.525mm) NPT
Male, 3/8", 0.375" (9.525mm) BSP
Male, 3/8", 0.375" (9.525mm) NPT
Male, 12.7mm
Male, 25.4mm
Male, 50.8mm
Male, 76.2mm
Male, 101.6mm
Male, 152.4mm
Male - 1 1/2" (38.1mm) NPT
Male - 1 1/2" (38.1mm) R
Male - 1/2" (12.7mm) NPT
Male - 2" (50.8mm) R
Male - 3/4" (19.05mm) NPT
Male - 3/8" (9.52mm) BSP
Male - G1 1/4" (31.75mm) BSPP, Dual
Male - G1" (25.4mm) BSPP, Dual
Male - G1/2" (12.7mm)
Male - G1/4" (6.35mm)
Male - G3/4" (19.05mm)
Male - G3/4" (19.05mm), BSPP, Dual
Manifold, 0.51" (13mm)
Sensing Range
-10 ~ +240 SLPM
-24 ~ +240 SLPM
-30 ~ +300 SLPM
-50 ~ +100 SLPM
-50 ~ +200 SLPM
-50 ~ +250 SLPM
-100 ~ +100 SLPM
-100 ~ +200 SLPM
-100 ~ +250 SLPM
-100 ~ 300 Pa
-150 ~ +300 SLPM
-200 ~ +200 SLPM
-200 ~ +200 sccm
-1000 ~ +1000 sccm
0 ~ 0.007 ml/min
0 ~ 0.08 ml/min
0 ~ 0.1 LPM
0 ~ 0.5 SLPM
0 ~ 0.53 GPM (0 ~ 2 LPM)
0 ~ 0.79 GPM (0 ~ 3 LPM)
0 ~ 0.264 GPM (0 ~ 1 LPM)
0 ~ 1 LPM
0 ~ 1 SLPM
0 ~ 1 l/min
0 ~ 1 m/s
0 ~ 1 ml/min
0 ~ 1.25 mbar
0 ~ 1.32 GPM (0 ~ 5 LPM)
0 ~ 2 SLPM
0 ~ 2 ml/min
0 ~ 3 LPM
0 ~ 3 m/s
0 ~ 3.5 m/s
0 ~ 3L/min
0 ~ 4 m/s
0 ~ 5 LPM
0 ~ 5 SLPM
0 ~ 5 mbar
0 ~ 5 ml/min
0 ~ 5m/s
0 ~ 7 LPM
0 ~ 7 m/s
0 ~ 7.23 m/s
0 ~ 10 LPM
0 ~ 10 SLPM
0 ~ 10 m/s
0 ~ 10LPM
0 ~ 15 SLM
0 ~ 15 SLPM
0 ~ 15 m/s
0 ~ 20 LPM
0 ~ 20 SLPM
0 ~ 21 LPM
0 ~ 25 LPM
0 ~ 30 SLM
0 ~ 33.33L/min
0 ~ 35 LPM
0 ~ 36 LPM
0 ~ 40 ml/min
0 ~ 50 LPM
0 ~ 50 SLPM
0 ~ 60 LPM
0 ~ 70 LPM
0 ~ 75 LPM
0 ~ 80 LPM
0 ~ 80 ml/min
0 ~ 100 LPM
0 ~ 100 SLPM
0 ~ 100m/s
0 ~ 120 LPM
0 ~ 150 LPM
0 ~ 150m/s
0 ~ 160 SLM
0 ~ 180 LPM
0 ~ 200 LPM
0 ~ 240 LPM
0 ~ 250 LPM
0 ~ 300 LPM
0 ~ 300 SLPM
0 ~ 480 LPM
0 ~ 900 LPM
0 ~ 1000SCCM
0 ~ 2000 FPM
0.03 ~ 3 m/s, 0.03 ~ 6 m/s
0.04 ~ 1 LPM
0.068 ~ 0.68 GPM (0.3 ~ 3 LPM)
0.3 ~ 6 LPM
0.3 ~ 10m/s
0.4 ~ 25 LPM
0.5 SLM
0.5 ~ 1.5 m/s
0.5 ~ 20 LPM
0.5 ~ 50 LPM
0.8 ~ 8 LPM
0.15 ~ 44.15 scfm
0.75 ~ 50 LPM
0.76 ~ 7.6 L/min
0.198 ~ 10.97m/s
0.378 ~ 19 L/min
1 ~ 15 LPM
1 ~ 25 LPM
1 ~ 30 LPM
1.2 ~ 100 LPM
1.5 ~ 25 LPM
2 SLM
2 SLPM
2 ~ 60 LPM
2 ~ 100 LPM
3 ~ 100 LPM
5 SLM
5 SLPM
5 mbar
5 ~ 750 LPM
5.3 ~ 1060.3 LPM
5.7 ~ 75.7 L/min
6 SLPM
9.4 ~ 1884.9 LPM
10 SLM
10 SLPM
10 m/s
14.7 ~ 2945.2 LPM
16.667mL/min
19 ~ 114 L/min
20 SLM
20 SLMP
20 SLPM
30 sccm
30.0sccm
37.7 ~ 7539.8 LPM
50 LPM
50 SLM
50 SLPM
50 sccm
50sccm
58.9 ~ 11780.9 LPM
80 ~ 100 LPM
100 SLPM
100 sccm
100sccm
120 mL/min
150 SLPM
200 SLM
200 SLPM
200 sccm
200sccm
250 SLPM
500 LPM
500 sccm
750sccm
1000 sccm
1000sccm
1000sccm ~ -600sccm
2000 sccm
4000 sccm
6000sccm
±0.1 ~ 8 LPM
±0.2 ~ 25 LPM
±0.6 ~ 35m3/h
±1.1 ~ 65m3/h
±1.3 ~ 80m3/h
±2.5 ~ 150m3/h
±4 ~ 240m3/h
±5 mbar
±5 ~ 300m3/h
±10 mBar
±10 ~ 500m3/h
±24 ~ 1200m3/h
±25sccm
±30sccm
±33 SLPM
±40 ~ 2000m3/h
±200sccm
±250 SLPM
±1000sccm
Flow Sensor Type
Air
Air, Gas
Gas
Gas, Liquid
Liquid
Product Status
Ats
Fs1015
Lfs
Attribute fence
Classify
Flow Sensors (521)
View mode :
Product Type RoHS Set price State Quantity
FFUS20-1N1IO
FFUS20-1N1IO
Brand: SICK
Package: Bulk
LIQUID FLOW METERS
Flow Sensors
1 : $1,297.9700
Stock 200
FTMG-ESN50SXXF01
FTMG-ESN50SXXF01
Brand: SICK
Package: Bulk
AIR FLOW SENSOR
Flow Sensors
1 : $1,776.6500
Stock 200
FFUC15-1G1IO
FFUC15-1G1IO
Brand: SICK
Package: Bulk
LIQUID FLOW SENSOR
Flow Sensors
1 : $1,372.4500
Stock 200
FUM-H025F1NE80000
FUM-H025F1NE80000
Brand: SICK
Package: Bulk
FLOW ULTRASONIC METER
Flow Sensors
1 : $4,805.8600
Stock 200
FTMG-ESR50SXX
FTMG-ESR50SXX
Brand: SICK
Package: Bulk
AIR FLOW SENSOR
Flow Sensors
1 : $2,015.2900
Stock 200
FTMG-ISR50SXXF01
FTMG-ISR50SXXF01
Brand: SICK
Package: Bulk
AIR FLOW SENSOR
Flow Sensors
1 : $1,558.5600
Stock 200
FS1100-100F250-A
FS1100-100F250-A
Brand: Siargo
Package: Bulk
Gas Mass Flow Sensor
Flow Sensors
1 : $145.0000
10 : $1,350.0000
200 : $22,000.0000
1000 : $90,000.0000
Stock 2200
AIR VELOCITY, ANEMOMETER
Flow Sensors
1 : $49.0000
10 : $390.0000
100 : $1,900.0000
Stock 361
Mass Flow Sensor Air/O2 100 LPM
Flow Sensors
1 : $207.0000
Stock 202
Oxygen Mass Flow Sensor 200 LPM
Flow Sensors
1 : $207.0000
Stock 202
MEMS Mass flow sensor
Flow Sensors
1 : $45.0000
10 : $390.0000
Stock 206
MEMS Mass flow sensor
Flow Sensors
1 : $45.0000
10 : $390.0000
Stock 204
FS1023-2002-DL LIQUID FLOW MODUL
Flow Sensors
Stock 200
Electromagnetic Flow Meter 4"
Flow Sensors
1 : $2,553.0000
Stock 202
SFM3003-300-CE
SFM3003-300-CE
Brand: Sensirion
Package: Tray
DIGITAL (MASS) FLOW METER -150SL
Flow Sensors
1 : $124.0800
10 : $1,034.0000
25 : $2,498.7500
80 : $7,720.8000
Stock 200
AIR FLOW, 2000 SCCM, ANALOG
Flow Sensors
1 : $69.0000
10 : $450.0000
100 : $3,800.0000
Stock 843
MICRO-FLOW SENSOR
Flow Sensors
1 : $250.9600
Stock 200
LG16-0150D
LG16-0150D
Brand: Sensirion
Package: Bulk
LIQUID FLOW SENSOR
Flow Sensors
1 : $554.6500
10 : $5,365.0000
Stock 347
FS5001L-2000-E-A
FS5001L-2000-E-A
Brand: Siargo
Package: Bulk
MASS FLOW SENSOR
Flow Sensors
1 : $145.0000
10 : $1,350.0000
200 : $19,000.0000
1000 : $80,000.0000
5000 : $350,000.0000
Stock 60192
AM1000-10-E
AM1000-10-E
Brand: Siargo
Package: Bulk
MEMS ENVIRONMENTAL METER
Flow Sensors
1 : $95.0000
10 : $850.0000
200 : $14,000.0000
1000 : $60,000.0000
Stock 2192
FS4008-50-R-CV-A
FS4008-50-R-CV-A
Brand: Siargo
Package: Bulk
MASS FLOW SENSOR
Flow Sensors
1 : $145.0000
10 : $1,350.0000
200 : $19,000.0000
1000 : $80,000.0000
Stock 2022
SENSOR FLOW 0-50 LPM P10 FAST
Flow Sensors
1 : $163.2900
Stock 206
FLOW DETECTION SENSOR
Flow Sensors
1 : $5.6400
10 : $45.2000
25 : $104.5000
100 : $398.0000
Stock 470
SFM3300-250-D
SFM3300-250-D
Brand: Sensirion
Package: Tray
AIR/GAS FLOW SENSOR +/-250 SLM
Flow Sensors
1 : $45.5600
10 : $379.7000
25 : $840.7500
80 : $2,603.2000
Stock 425
FFUS20-1N1IO
FFUS20-1N1IO
SICK
LIQUID FLOW METERS
$1,297.9700
In Stock 200
  • 1
    $1,297.9700
FTMG-ESN50SXXF01
FTMG-ESN50SXXF01
SICK
AIR FLOW SENSOR
$1,776.6500
In Stock 200
  • 1
    $1,776.6500
FFUC15-1G1IO
FFUC15-1G1IO
SICK
LIQUID FLOW SENSOR
$1,372.4500
In Stock 200
  • 1
    $1,372.4500
FUM-H025F1NE80000
FUM-H025F1NE80000
SICK
FLOW ULTRASONIC METER
$4,805.8600
In Stock 200
  • 1
    $4,805.8600
FTMG-ESR50SXX
FTMG-ESR50SXX
SICK
AIR FLOW SENSOR
$2,015.2900
In Stock 200
  • 1
    $2,015.2900
FTMG-ISR50SXXF01
FTMG-ISR50SXXF01
SICK
AIR FLOW SENSOR
$1,558.5600
In Stock 200
  • 1
    $1,558.5600
FS1100-100F250-A
FS1100-100F250-A
Siargo
Gas Mass Flow Sensor
$145.0000
In Stock 2200
  • 1
    $145.0000
  • 10
    $1,350.0000
  • 200
    $22,000.0000
  • 1000
    $90,000.0000
PAV1005
PAV1005
Posifa Technologies
AIR VELOCITY, ANEMOMETER
$49.0000
In Stock 361
  • 1
    $49.0000
  • 10
    $390.0000
  • 100
    $1,900.0000
KPI-DMFS-1-100
KPI-DMFS-1-100
Kelly Pneumatics
Mass Flow Sensor Air/O2 100 LPM
$207.0000
In Stock 202
  • 1
    $207.0000
KPI-AMFS-1-X-200
KPI-AMFS-1-X-200
Kelly Pneumatics
Oxygen Mass Flow Sensor 200 LPM
$207.0000
In Stock 202
  • 1
    $207.0000
PFLOW2001-1000-U-VI2C-A
PFLOW2001-1000-U-VI2C-A
Angst+Pfister Sensors and Power
MEMS Mass flow sensor
$45.0000
In Stock 206
  • 1
    $45.0000
  • 10
    $390.0000
PFLOW2001-2000-U-VI2C-A
PFLOW2001-2000-U-VI2C-A
Angst+Pfister Sensors and Power
MEMS Mass flow sensor
$45.0000
In Stock 204
  • 1
    $45.0000
  • 10
    $390.0000
FS1023-2002-DL
FS1023-2002-DL
Intersil (Renesas Electronics Corporation)
FS1023-2002-DL LIQUID FLOW MODUL
$0.0000
In Stock 200
1400A-100-1-I-SS-1-1-H
1400A-100-1-I-SS-1-1-H
Tek-Flux
Electromagnetic Flow Meter 4"
$2,553.0000
In Stock 202
  • 1
    $2,553.0000
SFM3003-300-CE
SFM3003-300-CE
Sensirion
DIGITAL (MASS) FLOW METER -150SL
$124.0800
In Stock 200
  • 1
    $124.0800
  • 10
    $1,034.0000
  • 25
    $2,498.7500
  • 80
    $7,720.8000
PMF2103V
PMF2103V
Posifa Technologies
AIR FLOW, 2000 SCCM, ANALOG
$69.0000
In Stock 843
  • 1
    $69.0000
  • 10
    $450.0000
  • 100
    $3,800.0000
D6F-30A7-000
D6F-30A7-000
Omron Electronic Components
MICRO-FLOW SENSOR
$250.9600
In Stock 200
  • 1
    $250.9600
LG16-0150D
LG16-0150D
Sensirion
LIQUID FLOW SENSOR
$554.6500
In Stock 347
  • 1
    $554.6500
  • 10
    $5,365.0000
FS5001L-2000-E-A
FS5001L-2000-E-A
Siargo
MASS FLOW SENSOR
$145.0000
In Stock 60192
  • 1
    $145.0000
  • 10
    $1,350.0000
  • 200
    $19,000.0000
  • 1000
    $80,000.0000
  • 5000
    $350,000.0000
AM1000-10-E
AM1000-10-E
Siargo
MEMS ENVIRONMENTAL METER
$95.0000
In Stock 2192
  • 1
    $95.0000
  • 10
    $850.0000
  • 200
    $14,000.0000
  • 1000
    $60,000.0000
FS4008-50-R-CV-A
FS4008-50-R-CV-A
Siargo
MASS FLOW SENSOR
$145.0000
In Stock 2022
  • 1
    $145.0000
  • 10
    $1,350.0000
  • 200
    $19,000.0000
  • 1000
    $80,000.0000
D6F-50A7D-000-0
D6F-50A7D-000-0
Omron Electronic Components
SENSOR FLOW 0-50 LPM P10 FAST
$163.2900
In Stock 206
  • 1
    $163.2900
PFS-328-6-4-0300
PFS-328-6-4-0300
PIC GmbH
FLOW DETECTION SENSOR
$5.6400
In Stock 470
  • 1
    $5.6400
  • 10
    $45.2000
  • 25
    $104.5000
  • 100
    $398.0000
SFM3300-250-D
SFM3300-250-D
Sensirion
AIR/GAS FLOW SENSOR +/-250 SLM
$45.5600
In Stock 425
  • 1
    $45.5600
  • 10
    $379.7000
  • 25
    $840.7500
  • 80
    $2,603.2000
13546885076
info@dkqic.com