ALF-2
Contact temperature sensor, NTC47K
Contact temperature sensors ALF are used to measure the temperature of pipes, tubes, or heating elements. For better temperature transfer between the pipe and the contact sensor, the use of the thermally conductive paste is recommended.
Art.-Nr.: G9050160
Technical data
| Active temperature measurement | No |
| Ambient temperature, lower value | -30 °C |
| Ambient temperature, upper value | 70 °C |
| Bearing temperature, lower value | -30 °C |
| Bearing temperature, upper value | 70 °C |
| Colour | Pure white |
| Connection cross-section | 0,14 mm² bis 2,5 mm² |
| Cover fastening | Bayonet fastening |
| Depth | 34 mm |
| Height | 64 mm |
| Housing material | Plastic PA (30 % GF reinforced) |
| Max. measurement current | < 1 mA |
| Maximum air humidity (non-condensing) | 95 % r.H |
| Mounting / attachment | Pipe mounting |
| Passive temperature measurement | Yes |
| Protection class | III |
| RAL colour number (similar) | 9010 |
| Safety and EMC | In accordance with DIN EN 60730 |
| Sensor element | NTC internal |
| Sensor element inside the housing | Yes |
| Sensor element outside the housing | No |
| Sensor type | NTC 47K (sensor 2) |
| Surface properties | Gloss |
| Temperature measuring range lower value | -30 °C |
| Temperature measuring range upper value | 70 °C |
| Type of protection | IP65 |
| Version of sensor | Contact sensor |
| Width | 58 mm |
| With explosion protection | No |
| With housing | Yes |
| With mounting material | Yes |
| With supply line | No |
| Circuit diagram | |
| Photo | Type | Articlenumber | Features | Kind |
|---|---|---|---|---|
 | KTRRB-117.128 | MA601300 | Room thermostat, heating/cooling, surface-mounted, 230V AC, 3-stage fan output | Suitable product |
 | KTRRB-117.169 | MA601500 | Room thermostat, heating/cooling, surface-mounted, 230V AC, 3-stage fan output 0...10V or flexible 0...10V | Suitable product |
 | KTRRB-117.163 | MA601400 | Room thermostat, heating/cooling, surface-mounted, 230V AC | Suitable product |
 | KTRRUu217.456#07/V2 | UA220002 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover 50x50mm, pure white, gloss | Suitable product |
| KTRRUu217.456#09/V2 | UA220003 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover 50x50mm, pearl white, gloss | Suitable product |
 | KTRRUu217.456#21/V2 | UA220000 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, alre frame, cover 50x50mm, pure white, gloss | Suitable product |
| KTRRUu217.456#27/V2 | UA220004 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover 50x50mm, traffic/studio white, gloss | Suitable product |
 | KTRRUu217.456#28/V2 | UA220007 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover fits BUSCH-JAEGER Reflex SI/SI Linear, pure white, gloss | Suitable product |
 | KTRRUu217.456#55/V2 | UA220005 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover 55x55mm, pure white, gloss | Suitable product |
| KTRRUu217.456#56/V2 | UA220009 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover 55x55mm, pure white, matt | Suitable product |
| KTRRUu217.456#57/V2 | UA220006 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover 55x55mm, pearl white, gloss | Suitable product |
| KTRRUu217.456#59/V2 | UA220008 | Room thermostat with timer, heating/cooling, flush-mounted, 230V AC, cover 55x55mm, traffic/studio white, gloss | Suitable product |
| KTRRUu257.456#07/V2 | UA220103 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/V DC, cover 50x50mm, pure white, gloss | Suitable product |
| KTRRUu257.456#09/V2 | UA220104 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/VDC, cover 50x50mm, pearl white, gloss | Suitable product |
| KTRRUu257.456#21/V2 | UA220100 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/V DC, alre frame, cover 50x50mm, pure white, gloss | Suitable product |
| KTRRUu257.456#27/V2 | UA220105 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/V DC, cover 50x50mm, traffic/studio white, gloss | Suitable product |
| KTRRUu257.456#28/V2 | UA220108 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/V DC, cover fits BUSCH-JAEGER Reflex SI/SI Linear, pure white, gloss | Suitable product |
| KTRRUu257.456#55/V2 | UA220106 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/V DC, cover 55x55mm, pure white, gloss | Suitable product |
| KTRRUu257.456#56/V2 | UA220110 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/V DC, cover 55x55mm, pure white, matt | Suitable product |
| KTRRUu257.456#57/V2 | UA220107 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/VDC, cover 55x55mm, pearl white, gloss | Suitable product |
| KTRRUu257.456#59/V2 | UA220109 | Room thermostat with timer, heating/cooling, flush-mounted, 24V AC/V DC, cover 55x55mm, traffic/studio white, gloss | Suitable product |
 | KTRVB-052.244 | DA451500 | Room thermostat, heating/cooling, surface-mounted, 24V AC/V DC, output 0...10V/10...0V, 2-/4-pipe | Suitable product |
 | KTRVB-052.245 | DA451600 | Room thermostat, heating/cooling, surface-mounted, 24V AC/V DC, output 0...10V/10...0V, 2-/4-tube, off/comfort/ECO switch | Suitable product |
| KTRRB-052.245 | DA420700 | Room thermostat for cooling ceilings, surface-mounted, 24V AC/V DC, 2-/4-pipe, off/comfort/ECO switch | Suitable product |
| KTRRB-052.244 | DA420600 | Room thermostat for cooling ceilings, surface-mounted, 24V AC/V DC, 2-/4-pipe | Suitable product |
 | KTRRU-052.245#00 | UA210401 | Room thermostat for cooling ceilings, flush-mounted, 24V AC/V DC, off/comfort/ECO switch | Suitable product |
 | ITR 79.600 | D4780508 | Temperature controller for standard rail mounting, 2x 5...30...°C | Suitable product |
 | WP-01 | G9990180 | Heat transfer paste, 2ml, -40..+150...°C | Accessories |
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