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