Fluke Calibration 5430 - Standard AC/DC Resistors

  • Long-term stability better than 2 ppm/year (< 1 ppm typical)
  • Traceable AC and DC calibrations available
  • National lab design proven for more than 25 years
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€5 919,60 €4 933 bez DPH
Fluke Calibration 5430 - Standard AC/DC Resistors
Fluke Calibration 5430 - Standard AC/DC Resistors
Cena na požiadanie
Doprava zadarmo pre každý nákup nad 80€ s DPH vytvorený cez náš eshop.
Doprava zadarmo
pre každý nákup nad 80€ s DPH vytvorený cez náš eshop.
Široké možnosti platby na dobierku, kartou online alebo bankovým prevodom.
Široké možnosti
platby a doručenia pre vaše pohodlie
Tovar skladom odosielame v deň objednávky (do 13:00)
Tovar skladom
odosielame v deň objednávky kuriérom SPS (do 13:00).
Záručný, pozáručný servis teplomerov, multimetrov a iného metrologického vybavenia.
Servis a kalibrácia
teplomerov, multimetrov a iného metrologického vybavenia.

National laboratories around the world have long relied on the standard AC/DC resistors manufactured by Tinsley. Whether they’re used in thermometry or electrical applications—with AC or DC bridges—these resistors perform better than any other AC/DC resistors available.

Six resistors in Hart’s Model 5430 series cover resistance values from 1 ohm to 10,000 ohms.  Each one has an actual resistance within 10 ppm of its nominal value and holds its resistance within 2 ppm per year.

Each resistor comes with a Tinsley certificate on AC performance, traceable to NPL, including calibration uncertainty of 3 ppm.  Additionally, Hart can provide an optional DC certificate, traceable to NIST and NVLAP accredited, with uncertainty below 1 ppm.

Designed originally by a national lab, Tinsley resistors are bifilar wound to minimize reactance and are filled with oil to minimize both time- and temperature-caused instabilities. AC/DC transfer error at 90 Hz is only 0.1 ppm.

For maintaining your oil resistors, Hart provides baths that range from 25- to 155-liter capacity with enough inside shelf space to maintain all your standard resistors.  Each of these baths maintains your resistors within 1 mK in the short term (30–60 minutes) and within 5 mK for months at a time.

In our lab, we use both AC and DC bridges in addition to Super-Thermometers.  We calibrate SPRTs in fixed points, and we calibrate reference resistors. We use standard resistors every day, and we understand the value of being able to rely on resistors that won’t drift. Tinsley makes the best AC/DC resistors around, and Hart makes the best maintenance baths. Ask people who know.  Then don’t compromise.

Specifications

Tolerance

10 ppm

Calibration Uncertainty

AC: 3 ppm (10 kW: 4 ppm)
DC: 1 ppm (optional)

Long-Term Stability

2 ppm per year

Temperature Coefficient

2 ppm per °C

Recommended Current

1W: 100 mA
10W: 32 mA
25W: 20 mA
100W: 10 mA
1 kW: 3 mA
10 kW: 1 mA

Maximum Current

1W: 1 A
10W: 320 mA
25W: 200 mA
100W: 100 mA
1 kW: 32 mA
10 kW: 10 ma

AC/DC Transfer Error (at 90 hz)

0.1 ppm, typical

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