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HARS LX Series RESISTANCE STANDARD DECADE BOX
HARS LX Series Resistance Standard Decade Box

HARS LX Resistance Standard Decade Box
The HARS LX Series Resistance Decade Box represents the highest accuracy version of the resistance substituters for use in the most exacting calibration and test applications. 
A continuous rheostat control is available as an option.

  • High accuracy - 20 ppm

  • High stability - 5 ppm/yr

  • Low temperature coefficient - as low as 3 ppm/°C

  • High performance solid silver contact switches

  • Resistance from 10 mΩ to over 12.1 MΩ

  • 1 μΩ or optional 20 μΩ resolution

  • Hermetically sealed, low inductance resistors

  • Precise fixed minimum resistance

For high resolution applications, a 10 m rheostat may be added for the lowest step. 
It is a 20 μ resolution "decade". In order to eliminate contact resistance and thermal emf,
the HARS-LX integrates the rheostat as shown. 
In this way, the wiper is in the low potential circuit, which is the high impedance lead. 
As a result, voltage and contact resistance effects are removed by being effectively added to the input impedance of the measuring instrument. 

Model
(Select L or LX
accuracy grade)

Total
Resistance (Ohm)

No. of Decades

Resolution (Ohm)

HARS-L(LX)-1-0.001
HARS-L(LX)-1-0.01
HARS-L(LX)-1-0.1
HARS-L(LX)-1-1
HARS-L(LX)-1-10
HARS-L(LX)-1-100
HARS-L(LX)-1-1K
HARS-L(LX)-1-10K
HARS-L(LX)-1-100K
HARS-L(LX)-1-1M

0.01
0.1
1
10
100
1 k
10 k
100 k
1 M
10 M

1
1
1
1
1
1
1
1
1
1

0.001
0.01
0.1
1
10
100
1 k
10 k
100 k
1 M

HARS-L(LX)-2-0.001
HARS-L(LX)-2-0.01
HARS-L(LX)-2-0.1
HARS-L(LX)-2-1
HARS-L(LX)-2-10
HARS-L(LX)-2-100
HARS-L(LX)-2-1K
HARS-L(LX)-2-10K
HARS-L(LX)-2-100K

0.11
1.1
11
110
1.1 k
11 k
110 k
1.1 M
11 M

2
2
2
2
2
2
2
2
2

0.001
0.01
0.1
1
10
100
1 k
10 k
100 k

HARS-L(LX)-3-0.001
HARS-L(LX)-3-0.01
HARS-L(LX)-3-0.1
HARS-L(LX)-3-1
HARS-L(LX)-3-10
HARS-L(LX)-3-100
HARS-L(LX)-3-1K
HARS-L(LX)-3-10K

1.11
11.1
111
1.11 k
11.1 k
111 k
1.11 M
11.1 M

3
3
3
3
3
3
3
3

0.001
0.01
0.1
1
10
100
1 k
10 k

HARS-L(LX)-4-0.001
HARS-L(LX)-4-0.01
HARS-L(LX)-4-0.1
HARS-L(LX)-4-1
HARS-L(LX)-4-10
HARS-L(LX)-4-100
HARS-L(LX)-4-1K

11.11
111.1
1.111 k
11.11 k
111.1 k
1.111 M
11.11 M

4
4
4
4
4
4
4

0.001
0.01
0.1
1
10
100
1 k

HARS-L(LX)-5-0.001
HARS-L(LX)-5-0.01
HARS-L(LX)-5-0.1
HARS-L(LX)-5-1
HARS-L(LX)-5-10
HARS-L(LX)-5-100

111.11
1.111 1 k
11.111 k
111.11 k
1.111 1 M
11.111 M

5
5
5
5
5
5

0.001
0.01
0.1
1
10
100

HARS-L(LX)-6-0.001
HARS-L(LX)-6-0.01
HARS-L(LX)-6-0.1
HARS-L(LX)-6-1
HARS-L(LX)-6-10

1.111 11 k
11.1111 k
11.111 k
1.111 11 M
11.111 1 M

6
6
6
6
6

0.001
0.01
0.1
1
10

HARS-L(LX)-7-0.001
HARS-L(LX)-7-0.01
HARS-L(LX)-7-0.1
HARS-L(LX)-7-1

11.111 11 k
111.111 1 k
1.111 111 M
11.111 11 M

7
7
7
7

0.001
0.01
0.1
1

HARS-L(LX)-8-0.001
HARS-L(LX)-8-0.01
HARS-L(LX)-8-0.1

111.111 11 k
1.211 111 1 M
1.211 111 M

8
8
8

0.001
0.01
0.1

HARS-L(LX)-9-0.001
HARS-L(LX)-9-K-RM
HARS-L(LX)-9-0.01

1.211 111 11 M
1.211 111 11 M
12.111 111 1 M

9
9
9

0.001
0.001
0.01
HARS-L(LX)-10-0.001 12.111 111 11 M 10 0.001
HARS-L(LX)-11-0.001 121.111 111 11 M 11 0.001

OPTIONS
- RH 10 m rheostat for lowest decades, 20 µ resolution.
- RO Rear output binding posts

Please email sales@hotektech.com or call 253-927-6186 if you are interested in a purchase, or
  need additional information.

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