ASL INTERCOM F100 - 10 Specification; Resistance Thermometer Measurement; Display; Supply

Operating the F100
Page 10-1 F100-14-001.2
 ASL 2005
10. Specification
10.1 Resistance thermometer measurement
PRT characte r isation ITS90
Din90 BS EN60751:1996, IEC607 51:1983
Thermistor characterisation
CvD BSEN1904:1984, IEC751:1983
Steinhart and Hart ( NTC)
Resistance measurem ent range (PRT) 1 to 400 ohm
Resistance measurem ent range (Thermistor) 1 to 400,000 ohm
Temperature measurement ran ge ITS90 -200 to +962ºC
Din90 -200 to +850ºC
CvD -150 to +850ºC
Thermistor – type dep endent
Accurac y ± 0.02ºC (20mK)
Display resolution 0.001ºC
Resistance measurem ent uncertainty
± 8m Ω ҏ ( + 2 0 °C ±5 °C )
Temperature coefficient (res istance measurement) 0.2ppm/°C (0.05m K/°C)
Long term stability (resistance measureme nt)
± 25ppm (±2.5mΩ ) / year (100 Ω r e f e r e n c e )
Temperature measurement un certainty Pt100 Over -200 to +800ºC ± 0.01ºC
Pt100 sense current 1mA (DC) polarity s witchable
User se lectabl e measurement display units ºC/ ºF/ K or ohms
Input channels PRT or thermistor
Input connection 2 x 5 pin DIN
Measurement configuration 4 wire
Input impedance
> 10MΩ
Max common and differential mode input voltage ±40VDC, 28Vrms
10.2 Display
User int erface, display 128 x 64 LCD with (optional) backlight
10.3 Supply
Mains charg er supply voltage range 90 – 264Vac
Power consu mption 3VA max
Supply frequency range 47 - 63Hz