●PT-100B 是一種溫度感測器，它的原理是：鉑金屬的電阻會隨著溫度變化；具體來說這種感測器在 0°C 時電阻是 100 歐姆，溫度越高，電阻就越大。透過量測它的電阻，就可以準確知道現在的溫度。它經常被用在工廠、冷藏設備或實驗儀器中。
●規格:
DIN EN 60751 (according to IEC 751)
●溫度範圍:
-70°C to +500°C (continuous operation)
(temporary use to 550°C possible)
Tolerance Class B: -70°C to +500°C
Tolerance Class A: -50°C to +300°C
Tolerance Class 1/3 B: 0°C to +150°C
●溫度係數:
TC = 3850 ppm/K
●導線:
Pt clad Ni- wire
Recommend connection technology:
Welding, Crimping and Brazing
引線長度 (L):
10mm ±1mm
●長期穩定性:
max. R0-drift 0.04% after 1000h at 500°C
●抗振性:
at least 40g acceleration at 10 to 2000 Hz,
depends on installation
●抗衝擊性:
at least 100g acceleration with 8ms half sine
wave, depends on installation
●環境條件:
unhoused for dry environments only
●絕緣電阻:
> 100 MΩ at 20°C; > 2 MΩ at 500°C
●自發熱:
0.4 K/mW at 0°C
●回應時間:
water current (v= 0.4m/s):
t0.5 = 0.05s
t0.9 = 0.15s
air stream (v= 2m/s):
t0.5 = 3.0s
t0.9 = 10.0s
●測量電流:
100Ω: 0.3 to 1.0mA
500Ω: 0.1 to 0.7mA
1000Ω: 0.1 to 0.3mA
(self heating has to be considered)