Martel Electronics 235 - Manual (Page 89)

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
Resolution Accuracy
A
Mode
100 ohm Platinum 0.1°C ±0.25°C 2-wire
(385 & 392 curve) ±1 digit 3-wire
4-wire
120 ohm 0.1°C ±0.12°C 2-wire
Nickel Minco ±1 digit 3-wire
4-wire
10 ohm copper 1°C ±2.7°C 2-wire
SAMA ±1 digit 3-wire
RC21-4-1966 4-wire
A
3-wire and 4-wire measurement modes. 2-wire measurement mode
has additional uncertainty of lead resistance and contact resistance.
Specifications
230/235 84