Martel Electronics 235 User Manual
Page 92

Notes:
1.
Temperature, resolution, and accuracy are in degrees Celsius.
2.
Specifications are at 25°C +/- 10°C.
3.
Range temperature coefficient is 10 PPM typical, 20 PPM max.
from 0 to 15 and 35 to 50°C.
4.
Tungsten vs. Tungsten-26% Rhenium.
5.
Tungsten-5% Rhenium vs. Tungsten-26% Rhenium.
6.
Tungsten-3% Rhenium vs. Tungsten-26% Rhenium.
RTD
Type
Range
Resolution
Accuracy
100 ohm Platinum
385 curve
-185°C-850°C
.1°C
±0.25°C
±1 digit
392 curve
-180°C-630°C
.1°C
±0.25°C
±1 digit
10 Ω Copper
-70°C-150°C
1.0°C
±2.7°C
SAMA
±1 digit
RC21-4-1966
120 Ω Nickel
-80°C-320°C
0.1°C
±0.12°C
Minco
±1 digit
Notes:
1.
Excitation current. 1-2mA.
2.
Pulsed excitation: pulse width 60mSec minimum at 1 Hertz
minimum, without ringing or overshoot.
Specifications
230/235
87