August 2017
4
Quick Start Guide
Figure 2. Rosemount Series 185 Thermocouple Lead Wire Configuration
Note
To distinguish the two sensors in Rosemount Dual 185 Sensors (flying lead or spring
loaded styles), the lead wires of one sensor will be longer than the other sensor.
Thermocouple terminal block
Single element
Dual element
Table 1. Rosemount Series 185 Thermocouple Characteristics
Type
Alloys
(wire color)
Sheath material
Temp. range (°C)
Limits of error
interchangeability DIN
EN 60584-2
Tolerance
class
J
Fe (+ black),
Cu-Ni (–white)
1.4541 (321 SST)
–40 to 375, 375 to 750
1.5 °C, 0.004 t
1
K
Ni-Cr (+ green),
Ni-Al (–white)
2.4816 (Alloy 600)
–40 to 375, 375 to 1000
1.5 °C, 0.004 t
1
N
Ni-Cr-Si (+ pink),
Ni-Si (–white)
2.4816 (Alloy 600)
–40 to 375, 375 to 1000
1.5 °C, 0.004 t
1
E
Ni-Cr (+violet),
Cu-Ni (–white)
1.4541(321 SST)
–40 to 375, 375 to 800
1.5 °C, 0.004 t
1
T
Cu (+brown),
Cu-Ni (–white)
1.4541 (321 SST)
–40 to 125, 125 to 350
0.5 °C, 0.004 t
1
3
1
1 (+)
3(-)
1
3
4
6
4(+)
6(-)
1(+)
3(-)