DEKAPOT

DECADE

POTENTIOMETERS

Models DP1211/DP1311

Specifications

DP1211 Dekapot Decade Potentiometer

Terminal Linearity*

Initial: ±15 ppm + 0.5 dial division

Long-term: ±20 ppm + 0.5 dial division

*Mid-scale rating. Improves near end-scale settings.

Coefficients of Linearity

Temperature: ±2 ppm/ºC

Power: ±30 ppm/W for 1 kΩ, ±10 ppm/W for

10 kΩ

Calibration Conditions

23 ºC, low input power

Number of Decades

Two, plus 100-division potentiometer

Resolution

0.003 %

Input Resistance

1, 10 kΩ (accuracy ±0.01%)

Maximum Input Power

5 W continuous, 10 W intermittent

Breakdown Voltage

750 V rms to case

Dimensions

Diameter

7.6 cm (3 in)

Depth

18.3 cm (7.2 in)

Depth (behind panel) 15 cm (5.9 in)

Weight

772 gm (1.7 lb)

DP1311 Dekapot Decade Potentiometer

Specifications for the DP1311 are the same as for the DP1211 except for the following:

Number of Decades

Three, plus 100-division potentiometer

Resolution

0.0003 %

Dimensions

Diameter

3 in (7.6 cm)

Depth

8.5 in (21.6 cm)

Depth (behind panel) 6.9 in (17.6 cm)

Weight

1 kg (2.1 lb)

Included Accessories

Instruction Sheet

P/N 8895

Z540 Compliant Calibration

with Certificate and Data

for DP1211 or DP1311

P/N OPT-Z540

R1

R1

R1

R1

R1

R1

R1

R1

R1

R1

R1

R2

R2

R2

R2

R2

R2

R2

R2

R2

R2

R2

IN

COM

R3

R3

OUT

GRD

45°

90°

.188 DIA

4 HOLES

.438 DIA

1.876 DIA

PANEL

MOUNTING

DP1211 Schematic

10 TEGAM WAY • GENEVA, OHIO 44041

440-466-6100 • FAX 440-466-6110

www.tegam.com • e-mail: sales@tegam.com

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