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Decade Boxes

What are Decade Boxes?

Decade boxes are test instruments which use a series of resistors, capacitors, or inductors to replicate different electrical values. They can be quickly and easily substituted into a circuit and replace any standard value component. Their ability to be configured to nearly any resistance, capacitance, or inductance makes decade boxes a convenient way to find the optimum value for circuit operation. They are ideal for verifying the accuracy of test equipment prior to use as well as troubleshooting.

They are known as decade boxes because they have controls that correspond to the digits in a decimal number - a control for the tens position, a control for the hundreds position, and so on.

How they work?
Decade boxes are passive devices that consist of switches and either a series of resistors, capacitors, or inductors of different values arranged to form “decades”. Decades are set up in factors of ten. For example, a resistance decade box may have a 5 ohm, 2 ohm, and two 1 ohm resistors in the first decade. The second decade may have a 50 ohm, a 20 ohm, and two 10 ohm resistors. The third decade may have a 500 ohm, a 200 ohm, and two 100 ohm resistors. With this combination, this three decade box can be switched to any value from 1 ohm to 999 ohms in 1 ohm steps. Some decade boxes may have 6 or more decades to allow for very wide ranges and highly precise values. Decade boxes are characterized by their range, maximum resolution, and accuracy.
Using a decade box for testing consists of setting the box to the desired value and hooking up the input device such as a transmitter, controller, multimeter, etc. The display value of the input device should match the set value of the decade box.
Types of Decade Boxes
• Resistance Decade Boxes – can simulate resistance for testing the accuracy of thermostats, temperature controllers, multimeters, and others.
• Capacitance Decade Boxes – can simulate capacitance for testing the accuracy of multimeters and other instruments that measure capacitance.
• Inductance Decade Boxes - can simulate inductance for testing the accuracy of multimeters and other instruments that directly measure inductance

Applications include
• Field and laboratory work
• Educational establishments
• Design work

Things to Consider When Selecting a Decade Box:
• Is this for simulating resistance, conductance or inductance?
• What range is required?
• How much resolution is needed?
• What level accuracy is preferred?
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Λεπτομέρειες προϊόντος Brand Stock Decade Box Type Resistance Resolution Best Maximum Resistance Accuracy Best Minimum Resistance Accuracy Residual Resistance Capacitance Resolution Best Capacitance Accuracy Residual Capacitance Inductance Resolution Best Inductance Accuracy Power Rating Temperature Coefficient Dimensions Weight Length Absolute Maximum Resistance Measurement Width Height Minimum Resistance Measurement Minimum Inductance Maximum Capacitance Maximum Inductance Minimum Capacitance
Time Electronic 1051 Decade Box, Decade Box Type Resistance, Resistance Resolution 0.01Ω, Best Maximum Resistance
  • Κωδικός Προϊόντος RS 610-297
  • Εμπορικό σήμα Time Electronic
  • Κωδικός Κατασκευαστή 1051
Time Electronic 74 Resistance 0.01Ω ±10% ±0.1% 90mΩ - - - - - 1W ±100ppm/°C 110 x 200 x 75mm 600g 110mm 1MΩ 200mm 75mm 0.01Ω - - - -
Time Electronic 1040 Decade Box, Decade Box Type Resistance, Resistance Resolution 1Ω, Best Maximum Resistance Accuracy
  • Κωδικός Προϊόντος RS 617-692
  • Εμπορικό σήμα Time Electronic
  • Κωδικός Κατασκευαστή 1040
Time Electronic 58 Resistance ±1% ±0.1% Less than 250mΩ - - - - - 1W ±50ppm/°C 110 x 200 x 75mm 600g 110mm 100MΩ 200mm 75mm - - - -
Cropico RM6 Decade Box, Decade Box Type Resistance, Resistance Resolution 10Ω, Best Maximum Resistance Accuracy ±1%
  • Κωδικός Προϊόντος RS 610-073
  • Εμπορικό σήμα Cropico
  • Κωδικός Κατασκευαστή RM6
Cropico 12 Resistance 10Ω ±1% - 0.1Ω - - - - - 0.4W ±100ppm/°C 65 x 287 x 65mm 480g 65mm 10MΩ 287mm 65mm 10Ω - - - -
Time Electronic 1041 Decade Box, Decade Box Type Resistance, Resistance Resolution 0.01Ω, Best Maximum Resistance
  • Κωδικός Προϊόντος RS 816-0172
  • Εμπορικό σήμα Time Electronic
  • Κωδικός Κατασκευαστή 1041
Time Electronic 10 Resistance 0.01Ω ±10% ±0.1% 60mΩ - - - - - 1W 50ppm/°C 120 x 215 x 100mm 1kg 120mm 1kΩ 215mm 100mm - - - -
Time Electronic 1067 Decade Box, Decade Box Type Resistance, Resistance Resolution 10mΩ, Best Maximum Resistance
  • Κωδικός Προϊόντος RS 537-4817
  • Εμπορικό σήμα Time Electronic
  • Κωδικός Κατασκευαστή 1067
Time Electronic 10 Resistance 10mΩ ±0.01% - 10mΩ - - - - - 0.35W ±10 ppm/°C, ±20 ppm/°C 87 x 355 x 63mm 1.1kg 87mm 12kΩ 355mm 63mm 10mΩ 10mΩ - - -
Cropico RM6-N Decade Box, Decade Box Type Resistance, Resistance Resolution 10Ω, Best Maximum Resistance Accuracy ±1%
  • Κωδικός Προϊόντος RS 211-159
  • Εμπορικό σήμα Cropico
  • Κωδικός Κατασκευαστή RM6-N
Cropico 9 Resistance 10Ω ±1% - 0.1Ω - - - - - 0.6W ±100ppm/°C 70 x 190 x 140mm 490g 70mm 10MΩ 190mm 140mm 10Ω - - - -
Time Electronic 1068 Decade Box, Decade Box Type Resistance
  • Κωδικός Προϊόντος RS 816-0175
  • Εμπορικό σήμα Time Electronic
  • Κωδικός Κατασκευαστή 1068
Time Electronic 9 Resistance - - - - - - - - - - - 115 x 65 x 86mm 290g 115mm 10kΩ 65mm 86mm - - - -
ELC DR 04 Decade Box, Decade Box Type Resistance, Resistance Resolution 1Ω, Best Maximum Resistance Accuracy ±1% 0.5W
  • Κωδικός Προϊόντος RS 306-9226
  • Εμπορικό σήμα ELC
  • Κωδικός Κατασκευαστή DR 04
ELC 6 Resistance ±1% - - - - - - - 0.5W ±50ppm/°C 305 x 96 x 68.5mm 1kg 305mm 11.11kΩ 96mm 68.5mm - - - -
ELC DR 06 Decade Box, Decade Box Type Resistance, Resistance Resolution 1Ω, Best Maximum Resistance Accuracy ±1% 0.5W
  • Κωδικός Προϊόντος RS 382-6445
  • Εμπορικό σήμα ELC
  • Κωδικός Κατασκευαστή DR 06
ELC 6 Resistance ±1% - - - - - - - 0.5W ±50ppm/°C 305 x 96 x 68.5mm 1.4kg 305mm 1.111MΩ 96mm 68.5mm - - -
Martindale TEK905 Decade Box, Decade Box Type Capacitance
  • Κωδικός Προϊόντος RS 255-581
  • Εμπορικό σήμα Martindale
  • Κωδικός Κατασκευαστή TEK905
Martindale 6 Capacitance - - - - 100pF ±5% 30pF - - - - 306 x 70 x 80mm 425g 306mm - 70mm 80mm - - 4.111µF - 100pF
ELC DL 07 Decade Box, Decade Box Type Inductance
  • Κωδικός Προϊόντος RS 306-9210
  • Εμπορικό σήμα ELC
  • Κωδικός Κατασκευαστή DL 07
ELC 4 Inductance - - - - - - - 1µH ±5% - - 100 x 427 x 72mm 1.6kg 100mm - 427mm 72mm - 1µH - 11.111H -
ELC DR 05 Decade Box, Decade Box Type Resistance, Resistance Resolution 1Ω, Best Maximum Resistance Accuracy ±1% 0.5W
  • Κωδικός Προϊόντος RS 382-6439
  • Εμπορικό σήμα ELC
  • Κωδικός Κατασκευαστή DR 05
ELC 4 Resistance ±1% - - - - - - - 0.5W ±50ppm/°C 305 x 96 x 68.5mm 1.4kg 305mm 111.11kΩ 96mm 68.5mm - - -
Time Electronic 1065 Decade Box, Decade Box Type Resistance, Resistance Resolution 0.1Ω, Best Maximum Resistance
  • Κωδικός Προϊόντος RS 537-2574
  • Εμπορικό σήμα Time Electronic
  • Κωδικός Κατασκευαστή 1065
Time Electronic 4 Resistance 0.1Ω ±5% ±1% 20mΩ - - - - - 10W ±200ppm/°C 150 x 390 x 60mm 2kg 150mm 120kΩ 390mm 60mm 0.1Ω 0.1Ω - - -
Cropico RBB6-C Decade Box, Decade Box Type Resistance, Resistance Resolution 0.01Ω, Best Maximum Resistance Accuracy
  • Κωδικός Προϊόντος RS 671-8889
  • Εμπορικό σήμα Cropico
  • Κωδικός Κατασκευαστή RBB6-C
Cropico 3 Resistance 0.01Ω ±1% ±0.05% - - - - - 0.33W ±3 ppm/°C, ±5 ppm/°C 80 x 350 x 100mm 600g 80mm 1kΩ 350mm 100mm 0.01Ω - - - -
Cropico RBB6-B Decade Box, Decade Box Type Resistance, Resistance Resolution 0.001Ω, Best Maximum Resistance Accuracy
  • Κωδικός Προϊόντος RS 671-8886
  • Εμπορικό σήμα Cropico
  • Κωδικός Κατασκευαστή RBB6-B
Cropico 2 Resistance 0.001Ω ±2% ±0.05% - - - - - 0.33W ±3 ppm/°C, ±5 ppm/°C 80 x 350 x 100mm 600g 80mm 100Ω 350mm 100mm 0.001Ω - - - -
ELC DC 05 Decade Box, Decade Box Type Capacitance
  • Κωδικός Προϊόντος RS 306-9232
  • Εμπορικό σήμα ELC
  • Κωδικός Κατασκευαστή DC 05
ELC 2 Capacitance - - - - 100pF ±1% - - - - ±125ppm/°C 100 x 427 x 72mm 1.6kg 100mm - 427mm 72mm - - 11.111µF - 100pF
Cropico RBB5-D Decade Box, Decade Box Type Resistance, Resistance Resolution 1Ω, Best Maximum Resistance Accuracy ±0.2%
  • Κωδικός Προϊόντος RS 671-8870
  • Εμπορικό σήμα Cropico
  • Κωδικός Κατασκευαστή RBB5-D
Cropico 1 Resistance ±0.2% ±0.05% 0.012Ω - - - - - 0.33W ±3 ppm/°C, ±5 ppm/°C 80 x 350 x 100mm 500g 80mm 10kΩ 350mm 100mm - - - -
ELC DR08 Decade Box, Decade Box Type Resistance, Best Maximum Resistance Accuracy 3% 0.5W
  • Κωδικός Προϊόντος RS 812-8941
  • Εμπορικό σήμα ELC
  • Κωδικός Κατασκευαστή DR08
ELC 1 Resistance - 3% 1% - - - - - - 0.5W 100ppm/°C 427 x 100 x 72mm 1.4kg 427mm 11.111MΩ 100mm 72mm 0.1Ω - - - -
Cropico RBB5-B Decade Box, Decade Box Type Resistance, Resistance Resolution 0.01Ω, Best Maximum Resistance Accuracy
  • Κωδικός Προϊόντος RS 671-8867
  • Εμπορικό σήμα Cropico
  • Κωδικός Κατασκευαστή RBB5-B
Cropico 0 Resistance 0.01Ω ±1% ±0.05% - - - - - 0.33W ±3 ppm/°C, ±5 ppm/°C 80 x 350 x 100mm 500g 80mm 100Ω 350mm 100mm 0.01Ω - - - -
Cropico RBB6-F Decade Box, Decade Box Type Resistance, Resistance Resolution 10Ω, Best Maximum Resistance Accuracy
  • Κωδικός Προϊόντος RS 671-8895
  • Εμπορικό σήμα Cropico
  • Κωδικός Κατασκευαστή RBB6-F
Cropico 0 Resistance 10Ω ±0.1% ±0.05% 0.013Ω - - - - - 0.33W ±3 ppm/°C, ±5 ppm/°C 80 x 350 x 100mm 600g 80mm 1MΩ 350mm 100mm 10Ω - - - -
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