Vietnamese
GENERAL
- High accuracy four-terminal standard resistors
- Resistance Value of: 0.0001 Ω, 0.001 Ω, 0.01 Ω, 0.1 Ω
SRR SERIES HIGH ACCURACY STANDARD RESISTOR
| Brand |
IET Labs, Inc |
|---|---|
| Sub Categories |
Lab tools |
| Application |
Standard Resistor |
GENERAL
DESCRIPTION
DESCRIPTION
High accuracy four-terminal standard resistors for low values of 0.1 Ω or less.
These standards are used for accurate current measurements and for comparisons of low resistances.
- 4 Values available 0.0001 Ω, 0.001 Ω, 0.01 Ω, 0.1 Ω
SPECIFICATION
SPECIFICATION
SRR Series High Accuracy Standard Resistor Specifications
| Model | Nominal Value
(Ω) |
Adjustment to Nominal Value | Maximum Current
(A) Air Oil |
Temperature
Coefficient (ppm/°C) |
Stability typical
(ppm/yr) |
|
| SRR-.0001 | 0.0001 | 0.02% | 100 | 200 | 20 | 25 |
| SRR-.001 | 0.001 | 100 ppm | 32 | 60 | 25 | 25 |
| SRR-.01 | 0.01 | 100 ppm | 10 | 20 | 5 | 10 |
| SRR-.1 | 0.1 | 30 ppm | 3 | 6 | 5 | 10 |
Test Conditions – 25°C in Oil
| Model | Nominal Value
(Ω) |
Current
(A) |
Power
(mW) |
| SRR-.0001 | 0.0001 | 30 | 90 |
| SRR-.001 | 0.001 | 10 | 100 |
| SRR-.01 | 0.01 | 3 | 90 |
| SRR-.1 | 0.1 | 1 | 100 |
Resistance Elements: 0.1 Ω, bifilar winding on cylindrical brass formers with PTFE insulation. 0.01, 0.001, and 0.0001 ohm resistance material in the form of straight rods or loops supported on 12 mm brass conductors
Terminals: Potential – Copper 4 mm
Current – Brass
Top Panel: Bakelite marked with the value, class designation and serial number
Case: Light alloy, black anodized to give maximum heat radiation
Thermometer Tube: Slotted extending the length of the resistance element
Label: Each standard is fitted with a label that describes its characteristics and operating parameters
Dimensions: 16 cm H x 9 cm Dia (6.3” x 3.55”)
Weight: 0.9 kg (2 lbs)
DATASHEET AND MANUAL
DATASHEET AND MANUAL
- Data Sheet: This document explains the features, options, Specifications and option models for this item.
