*** Honeywell霍尼韦尔 VF20-1B54/VF20T 水管温度传感器 NTC20K

SPECIFICATION
Nominal value
Pt 1000  1000  at 0 C (32 °F)
NTC 10k  10 k at 25 C (77 °F)
NTC 20k  20 k at 25 C (77 °F)
Accuracy
Pt 1000 (IEC751 Class B)  &plu***n;0.3 K at 0 °C (32 °F)
NTC 10k, NTC 20k  &plu***n;0.2 K at 25 °C (77 °F)
Sensitivity
Pt 1000   3.85  / K
NTC 10k  -440  / K at 25 °C (non-linear)
NTC 20k   -934.5  / K at 25 °C (non-
linear)
Time c***tant  < 30 s (using brass / stainless
steel immersion well)
Electrical connection
VF00/VF10/VF20  terminals for 2 x 1.5 mm² cable
Cable gland  M16x1.5, UL 94-V2
Ambient limits (housing)
Storage temperature  -30...+70 °C (-22…+158 °F)
Humidity  5…95% rh, non-condensing
Safety (terminal box)
Protection standard  IP54
IP65
Flame retardant  UL94-V0 rated plastic enclosure
T max = 120 °C (enclosure)
Dimensi***  See section "Dimensi***" on pg.