Model 78

1-62

Circuit Diagram

Marked On This Surface

Metal

Adjustment Screw

.110/2.794

± 0.127 Dia. With .025/0.635

± 0.127 Wide X .031/0.787 ± 0.127 Deep Slot

0.07

1.78

Housing

Molded Plastic

.105

2.667

.32

8.13

.135

3.429

.30

7.62

.70

17.78

1.25

31.75

1.000

± .005

25.400

± 0.127

.125

± .005

3.175

± 0.127

.50

± .03

12.70

± 0.76

.195

± .005

4.953

± 0.127

3 Terminals Pins

Solderable

Dia.

.260

± .015

6.604

± 0.381

.015

± .003

0.127

± 0.076

.093

± .005

2.362

± 0.127

I.D.

2 Mounting Holes

Model No. &

Resistance

Value Marked

On This Surface

.10

2.54

.05

1.27

(1)

(2)

(3)

.028

± .003

0.711

± 0.076

Model 78P

.062/1.575 Max.

Meniscus

3 Electrical Leads – 6/152 Min. Length

No. 30 AWG Teflon Insulated Stranded Wire

Yellow (1)

Red (2)

Green (3)

Model 78L

3 Terminals Pins

Solderable

Dia.

.30

± .02

7.62

± 0.51

.26

± .02

6.60

± 0.51

.70

± .02

17.78

± 0.51

.156

± .031

3.962

± 0.787

(3 Places)

.10

± .02

2.54

± 0.51

.05

± .02

1.27

± 0.51

.028

± .003

0.711

± 0.075

.187

± .031

4.750

± 0.787

(1)

Dia.

(2)

(3)

Model 78S

SIDE ADJUSTMENT (Inch/mm)

Note: Model 78P dimensions applicable to all other models except as noted.