Tiếng Việt
WIKA 55
WIKA 55 – Đồng hồ đo nhiệt độ hãng WIKA/Germany (Bimetal thermometer)
WIKA 55
Measuring element |
Bimetal coil |
| Nominal size in inch [mm] | ■ 63
■ 100 ■ 160 |
| Connection location | ■ A5525 NS 63 Back mount (axial)
■ A5500 NS 100 Back mount (axial) ■ A5501 NS 160 Back mount (axial) ■ R5526 NS 63 Lower mount (radial) ■ R5502 NS 100 Lower mount (radial) ■ R5503 NS 160 Lower mount (radial) ■ S5550 NS 100 Back mount, adjustable stem and dial ■ S5551 NS 160 Back mount, adjustable stem and dial |
| Connection design | ■ S, standard (male threaded connection)
■ 1, plain stem (without thread) ■ 2, male nut ■ 3, union nut ■ 4, compression fitting (sliding on stem) ■ 5, union nut and loose threaded connection |
| Unit (scale range) | °C
Option: ■ °F ■ °C/°F (dual scale) ■ °F/°C (dual scale) |
Process connection |
■ Plain, without thread
■ G ½ B ■ ½ NPT ■ G ½ female ■ ½ NPT female ■ M20 x 1.5 ■ M24 x 1.5 female others on request |
| Accuracy class | Class 1 per EN 13190 |
| Working range | |
| Continuous load (1 year) | Measuring range (EN 13190) |
| Short time (max. 24 h) | Scale range (EN 13190) |
| Stem diameter | 8 mm
Option: ■ 6 mm ■ 10 mm ■ 12 mm |
| Insertion length L1 | 63 … 1,000 mm
Minimum/maximum length is dependent on the measuring range and diameter (see tables from page 5 and 6) |
| Window | Instrument glass
NS 63: window from polycarbonate Option: Laminated safety glass, clear non-splintering plastic |
| Zero adjustment (option) | On case back side, external only for adjustable stem and dial |
| Damping | Without
Option: With silicone oil case filling, up to max. 250 °C (at the probe) |
| Wetted materials | |
| Stem, process connection | Stainless steel 316SS |
| Non-wetted materials | |
| Case, bayonet ring | Stainless steel 304SS (option: stainless steel 316L) |
| Dial | Aluminium white, black lettering |
| Pointer | Aluminium, black, micro adjustable pointer |
Ingress protection IEC/EN 60529 |
IP65
Option: ■ IP66 ■ IP67 |
| Permissible temperatures | |
| Ambient (at the case) | -40 … +70 °C (with/without filling liquid)
Option: ■ -50 … +70 °C ■ -70 … +60 °C |
| Storage and transport | -50 … +70 °C |
| Permissible operating pressure at the stem | max. 25 bar, static |
