Richards Thermocouple and Temperature Sensor Catalog 16

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Note: Standard style round panel mount plugs and jacks (round solid pins) are used to install thermocouple connectors in electrical boxes
or in control panels. These connectors will fit in the 3/4” circular cutouts typically found in square electrical boxes. Miniature round panel mount
connectors (flat pins) will fit in 1/2” cut outs on electrical boxes. For boxes and mounting panel details, see in “Accessories” pages.
Miniature Round Panel Mount - Flat Pins (RPM) DOT Height Width Length
Number Type Thermocouple Color inches mm inches mm inches mm
3
BM1-RPM
EM1-RPM
JM1-RPM
KM1-RPM
NM1-RPM
RSM1-RPM
RSM1-RPM
TM1-RPM
B - Uncompensated
E - Nickel, 10% Chromium - Constantan
J - Iron - Constantan
K - Nickel, 10% Chromium - Nickel, 5% Aluminum, Silicon
N - Nickel, 14% Chromium, 15% Si - Nickel, 4.5% Si, .1% Mg
R - Platinum - Platinum / 13% Rhodium
S - Platinum - Platinum / 10% Rhodium
T - Copper - Constantan
White
Purple
Black
Yellow
Orange
Green
Green
Blue
.32 8.1 1.00 25.4 1.88 47.6
BM2RPM
EM2RPM
JM2RPM
KM2RPM
NM2RPM
RSM2RPM
RSM2RPM
TM2RPM
B - Uncompensated
E - Nickel, 10% Chromium - Constantan
J - Iron - Constantan
K - Nickel, 10% Chromium - Nickel, 5% Aluminum, Silicon
N - Nickel, 14% Chromium, 15% Si - Nickel, 4.5% Si, .1% Mg
R - Platinum - Platinum / 13% Rhodium
S - Platinum - Platinum / 10% Rhodium
T - Copper - Constantan
White
Purple
Black
Yellow
Orange
Green
Green
Blue
.32 8.1 1.00 25.4 1.25 31.8
4
For 20 Gauge (.81 mm) or smaller wires. Maximum temperature 350°F (175°C). Plugs have solid round polarized pins.
Male Plug
Female Jack
Standard Round Panel Mount - Round Pins (RPM) DOT Height Width Length
Number Type Thermocouple Color inches mm inches mm inches mm
1
B1RPM
E1RPM
J1RPM
K1RPM
N1RPM
RS1RPM
RS1RPM
T1RPM
B - Uncompensated
E - Nickel, 10% Chromium - Constantan
J - Iron - Constantan
K - Nickel, 10% Chromium - Nickel, 5% Aluminum, Silicon
N - Nickel, 14% Chromium, 15% Si - Nickel, 4.5% Si, .1% Mg
R - Platinum - Platinum / 13% Rhodium
S - Platinum - Platinum / 10% Rhodium
T - Copper - Constantan
White
Purple
Black
Yellow
Orange
Green
Green
Blue
.50 12.7 1.5 38.1 1.88 47.6
B2RPM
E2RPM
J2RPM
K2RPM
N2RPM
RS2RPM
RS2RPM
T2RPM
B - Uncompensated
E - Nickel, 10% Chromium - Constantan
J - Iron - Constantan
K - Nickel, 10% Chromium - Nickel, 5% Aluminum, Silicon
N - Nickel, 14% Chromium, 15% Si - Nickel, 4.5% Si, .1% Mg
R - Platinum - Platinum / 13% Rhodium
S - Platinum - Platinum / 10% Rhodium
T - Copper - Constantan
White
Purple
Black
Yellow
Orange
Green
Green
Blue
.50 12.7 1.5 38.1 1.3 33.0
2
For 20 Gauge (.81 mm) or smaller wires. Maximum temperature 350°F (175°C). Plugs have solid round polarized pins.
Female Jack
Male Plug
4
3
2
1
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PJ
Panel Mount
Plugs and Jacks - Standard and Miniature - Panel Mount