001 Front Cover

Plugs & Jacks -

Standard & Mini

Thermocouple plugs and jacks are made from thermocouple alloys to insure accuracy through out the thermocouple circuit. Types R, S, and C, plugs and jacks use compensating alloys. All Richards plugs are made with solid pins to prevent loosening of the con- tacts. The pins are also polarized to prevent making mismatched connections. The connector bodies are color coded for easy iden- tification. The plugs and jacks are available in standard (with round pins) and a smaller mini (flat pins) version. Mounting: Plugs can be mounted on a thermocouple element with a compression type tube adapter (TA) and screws, compression type insert (TAI), crimp insert (Cl), or brazing insert (Bl). Jacks can also be mounted to extension wire with a cable clamp (CL). Wiring: Standard style plugs and jacks will accept wires up to 20 gauge. Larger gauges such as 14, 1 1 , or I should use the iab style connectors. Mini plugs can use 20 gauge or smaller thermocouple wire.

Note: The standard style plugs and jacks shown on this page are offered in two body styles. The only major difference between the two is the maximum temperature ranges. The style "b" has a slightly higher service temperature of 425"F (218"C). The style "a" has a maximum service temperature of 350"F (175'C). The functionality of the connectors and quality of the alloys is the same. All style variations will plug into each other. The difference between the two is a matter of personal preference. The photo on the right, shows the two styles. Style "a" is shown as standard. lf you would like to order the style "b" just add a small b to the end of the cata- log number. Example: Kl b = Style "b" option of a Kl

Standatd Style - Round Pins

.l I.

47.6

25.4

12.7

1.00

.50

1 .BB

B - Uncompensated C - Tungsten I 5% Rhenium - Tungsten I 26/" Rhenium E - Nickel, 1 0% Chromium - Constantan J- lron-Constantan K - Nickel, 10% Chromium - Nickel ,5"/" Aluminum, Silicon N - Ni ,14"h Cr, 15% Si - Ni, 4.5% Si, .1% Mg

White Brown Purple Black Yellow Orange

Male

B1 c1 E1 J1 K1 N1

R - Platinum - Platinum I 13% Rhodium S - Platinum - Platinum I 10% Rhodium T-Copper-Constantan

Green Green Blue

RS1 RS1 T1

25.4

12.7

1.00

1.25

.50

31 .8

B ' Uncompensated C - Tungsten I 5% Rhenium - Tungsten I 26% Rhenium E - Nickel, 1 0% Chromium - Constantan J- lron-Constantan K - Nickel, 1 0% Chromium - Nickel, 5% Aluminum, Silicon N - Ni ,14/" Cr, 15% Si - Ni, 4.5% Si, .1% Mg

B2 c2 E2 J2 K2 N2

White Brown Purple Black Yellow Orange

Female Jaclr

R - Platinum - Platinum I 13% Rhodium S - Platinum - Platinum I 10% Rhodium T-Copper-Constantan

Green Green Blue

RS2 RS2 T2

For 20 gauge (.81mm) or smaller wires. Maximum tempera ture 350'F (175"C). Plugs have solid round polarized pins.

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