A2G-10德国威卡差压表,适用于通风和空调,NS 110。 Differential pressure gauge, model A2G-10 Version ■ Standard version ■ Silicone-free version Nominal size in mm 110 Measuring range ■ 0 ... 100 Pa to 0 ... 6,000 Pa ■ -50 ... +50 Pa to -1,500 ... +1,500 Pa Other plus/minus ranges on request Unit ■ Pa ■ kPa ■ inWC ■ mmWC ■ mbar Scale ■ Single scale ■ Dual scale Accuracy class Span ≥ 250 Pa 3.0 Span 101 ... 249 Pa 5.0 Span ≤ 100 Pa 10.0 Process connection G ⅛ female Threaded pressure connection for measuring hoses with inner diameter 4 ... 6 mm (see “Accessories”) Movement Contact-free transmission (SWISS MOVEMENT) Materials Case components Plastic, glass-fibre reinforced Separating diaphragm ■ Silicone ■ EPDM (with silicone-free version) Window Polycarbonate (UV stabilised) Dial Aluminium Pointer Plastic, black Mark pointer ■ Without ■ Plastic, red Medium ■ Air ■ Non-flammable and non-aggressive gases Permissible temperature Medium -20 ... +50 °C [-4 ... +122 °F] Ambient -30 ... +80 °C [-22 ... +176 °F] Max. working pressure (static pressure) 20 kPa Ingress protection per IEC/EN 60529 ■ IP54 ■ IP65 Weight (pressure measuring system) 235 g