DESCRIPTION

• Description

  SRM-0R1-4k1 is a high precision decade resistor designed for laboratories and institutions that require highly accurate readings. This device will meet the expectations of the most demanding customers.

  Built-in resistors provide excellent accuracy and long-term stability. Markings and symbols on the housing of the device clearly inform the user about resistance settings. Measuring connectors allow user to connect the device with a banana plug, spade plug and bare wire terminals.

  The metal housing efficiently protects the device against mechanical damage. It has rubber feet that stabilize device position on the test bench.

  Features

  • High accuracy - up to 0.05%.
  • Ranges from 0.1 Ω to 4111 Ω.
  • Built-in cooling system - enables high power dissipation.
  • Easy-to-read and comprehensive descriptions of the device.
  • Functional test jacks.
  • Durable and resistant design.

   
  

   
  

  TECHNICAL SPECIFICATION

   
  

  Decade No. of the device	Nominal resistance values [Ω]	Maximum permissible measurement error	Maximum surge current (30...40 ms) [A]
  1st decade	0.1 / 0.2 / 0.3 / 0.4 / 0.5 / 0.6 / 0.7 / 0.8 / 0.9 / 1.0	±0.001 R	45
  2nd decade	1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10	±0.0005 R	35
  3rd decade	10 / 20 / 30 / 40 / 50 / 60 / 70 / 80 / 90 / 100	±0.0005 R	15
  4th decade	100 / 200 / 300 / 400 / 500 / 600 / 700 / 800 / 900 / 1000	±0.0005 R	2
  5th decade	1000 / 2000 / 3000	±0.0005 R	0.3

   

  Other technical specifications:

  • Initial resistance: ≤(0.025 ± 0.0025) Ω
  • Maximum operating voltage: 450 V
  • Insulation resistance: >100 MΩ
  • Measurement cycle time T_meas: ≤30...40 ms
  • Cooling time (pause) T_paus:
    • ≥20 s | U_meas ≤ 230 V
    • ≥25 s | U_meas ≤ 450 V