AOIP ZX 74 / 75 / 76 / 77 Precision resistance boxes

ZX Precision Decade Resistance Boxes.

    Features

  • High accuracy 0.01%
  • Pt 25, 50, 100 probe simulation
  • 4 versions of 6 dial instruments
  • Secondary standards
Description

ZX series of 6 decade boxes are designed for resistance thermometer simulation for accurate and reliable applications in laboratories and on site.

They are built with resistance stabilised through a controlled ageing process, mounted on low contact resistance switches.

On request, they can be supplied with a COFRAC calibration certificate delivered by our accredited laboratory.

Specifications

Maximum admissible voltage on the terminal in normal conditions of utilisation :

Reference conditions for mentionned accuracies :
  • 30 V~ RMS ou 50 V- according to CEI 61010-1.
  • Temperature 18 to 22 degree C, humidity 40 to 60 % RH, power dissipation 0,05 W,
  • Temperature coefficient:-5 to 10 ppm/degree C.

    Functionalities
  • Composition 6 switches, each equipped with 11 resistors
  • Range ZX 74
    10 x 0.001 Ω /
    10 x 100 Ω
  • Range ZX 75
    10 x 0.01 Ω /
    10 x 1 kΩ
  • Range ZX 76
    10 x 0.01 Ω /
    10 x 10 kΩ
  • Range ZX 77
    10 x 0.01 Ω /
    10 x 100 kΩ
  • High accuracy 0.01%
  • Temperature coefficient 5 to 10 ppm/degree C
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    Instruments Techno Test inc.

    Instruments Techno Test inc.
    2345, Michelin street, #100
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    H7L 5B9

    Téléphone : (450) 681-5777
    Télécopieur : (450) 681-3773

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