Model No.︰QFA31...QFA41
Brand Name︰SIEMENS(LANDIS)
Country of Origin︰Germany
Unit Price︰-
Minimum Order︰1 pc
| TYPE NO. | measuring range | TEMPERATURE SIGMAL OUTPUT | Humidity measuring range | Humidity signal output | operated voltage | Measured value display |
| QFA3100 | none | none | 0…100% | active, DC 0...10 V | AC 24 V or DC 13,5…35 V | no |
| QFA3101 | none | none | 0…100% | active, 4-20mA | DC 13,5…35 V | no |
| QFA3160 | 0..50'C/-40…+70'C/-35…+35'C | active, DC 0...10 V | 0…100% | active, DC 0...10 V | AC 24 V or DC 13,5…35 V | no |
| QFA3160D | 0..50'C/-40…+70'C/-35…+35'C | active, DC 0...10 V | 0…100% | active, DC 0...10 V | AC 24 V or DC 13,5…35 V | yes |
| QFA3171 | 0..50'C/-40…+70'C/-35…+35'C | active, 4-20mA | 0…100% | active, 4-20mA | DC 13,5…35 V | no |
| QFA3171D | 0..50'C/-40…+70'C/-35…+35'C | active, 4-20mA | 0…100% | active, 4-20mA | DC 13,5…35 V | yes |
Specifications︰
• Operating voltage AC 24 V / DC 13.5...35 V
• Signal output DC 0...10 V / 4…20 mA for r. h. and temperature
• Very high measuring accuracy across the entire measuring range
• Capacitive humidity measurement
• Function test
• Range of use −40…+70 °C / 0…100 % r. h.
with LCD display -25…+70 °C / 0…100 % r. h.
Use
The QFA31… is for use in ventilation and air conditioning plants where high accuracy
and short response times for measuring relative humidity are required. The measuring
range covers the entire humidity range of 0…100 %.
Examples:
• Storage and production facilities in the paper, textile, pharmaceutical, food, chemical
and electronics industry, etc.
• Laboratories
• Hospitals
• Indoor swimming-pools
• Computer and EDP centers
• Greenhouses
• With the AQF3100 accessory for outdoor use
Export Markets︰ BUILDING automation,hotel
Min Order︰ 1
Ship Date︰ 3 days
