Models DP1211/DP1311
R E S I S T A N C E S T A N D A R D S •Kelvin-Varley voltage divider
•Panel-mounting area from
27.1 to 45.2 cm 2
•Precision resistors throughout
•Solid silver-alloy switch contacts & I N S T R U M E N T S Dekapot Coaxial-Dial
Decade Potentiometer
These Dekapot potentiometers are space. Convenient in-line reading is precision decade resistive voltage provided by the TEGAM Dekadial dividers featuring the accuracy, high coaxial dial. input The DP1211 offers two decades plus impedance of the Kelvin-Varley circuit. a 100 division potentiometer. The They provide known voltage and DP1311 offers three decades plus a 100 current ratios for meter calibration, division potentiometer. resolution and constant linearity checking, ratio measuring, Exceptional stability and reliability computer are assured by the use of precision standardization, and many other DC resistive elements. The ceramic switch and audio frequency applications. decks are silicone-treated to improve synchro testing, The stacked dial configuration insulation resistance, and the multiple conserves space without sacrificing switch contacts are of solid silver-alloy operating ease. Each unit occupies less for long life and low contact resistance. than 45.2 square centimeters of panel ®
Prices and specifications subject to change without notice.
YOUR GLOBAL SOURCE FOR TEST
AND MEASUREMENT SOLUTIONS C Models DP1211/DP1311
D E K A P O T D E C A D E P O T E N T I O M E T E R S 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 IN
R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R2 Breakdown Voltage 750 V rms to case R1 Dimensions Diameter
7.6 cm (3 in)
Depth
18.3 cm (7.2 in)
Depth (behind panel) 15 cm (5.9 in) R1 R2 R1 R2 R1 R2 Weight OUT
R3 772 gm (1.7 lb) R3 GRD COM DP1211 Schematic DP1311 Dekapot Decade Potentiometer …
