ĐỒNG HỒ ĐO NHIỆT ĐỘ WIKA A52, R52

Measuring element: Bimetal coil

Nominal size in mm: 25, 33, 40, 50, 63, 80, 100, 160

Connection designs:

      S Standard (male threaded connection)

      1 Plain stem (without thread)

      2 Male nut 1)

      3 Union nut 1)

      4 Compression fitting (sliding on stem) 1)

      other connection designs on request

Model NS Design:

      A52.025 NS 25: Back mount (axial)

      A52.033 NS 33: Back mount (axial)

      A52.040 NS 40: Back mount (axial)

      A52.050 NS 50: Back mount (axial)

      A52.063 NS 63: Back mount (axial)

      A52.080 NS 80: Back mount (axial)

      A52.100 NS 100: Back mount (axial)

      A52.160 NS 160: Back mount (axial)

      R52.063 NS 63: Lower mount (radial)

      R52.080 NS 80: Lower mount (radial)

      R52.100 NS 100: Lower mount (radial)

      R52.160 NS 160: Lower mount (radial)

Unit (scale range): °C

      Option: °F, °C/°F (dual scale)

Accuracy class:

      NS 25, 33: ±5 % of scale range

      NS 40, 50: 2 per EN 13190

      NS 63, 80, 100, 160: 1 per EN 13190

Working range:

      Continuous loading: Measuring range per EN 13190

      Short time (24 h max.): Scale range per EN 13190

Case, bezel ring, stem, process connection and spacer: Stainless steel

Elbow behind the case: Aluminium, only with lower mount version

Dial: Aluminium, white, black lettering

Pointer:

      NS 25, 33, 40: Aluminium, black

      NS 50, 63, 80, 100, 160: Aluminium, black, adjustable pointer

Window:

      Instrument glass

      NS 33: polycarbonate

Permissible operating pressure at the stem:

      NS 25, 33, 40, 50: max. 6 bar, static

      NS 63, 80, 100, 160: max. 25 bar, static

Ingress protection:

      NS 25, 33, 40: IP54 per IEC/EN 60529

      NS 50, 63, 80, 100, 160: IP43 per IEC/EN 60529