Specifications; Permissible Temperature Ranges; Differential Pressure Gauge - WIKA 712.15.160 Betriebsanleitung

8. Specifications

8. Specifications

8.1 Permissible temperature ranges

Non-Ex version
Models 712.15.160 and 732.15.160 optionally with model 891.44
Ambient
Medium
Ex version
Models 712.15.160 and 732.15.160 with model 892.44
Ambient
Medium

8.2 Differential pressure gauge

Models 712.15.160 and 732.15.160
Nominal size
Max. working pressure (static
pressure)
Overload safety
Ingress protection
Process connections (wetted)
Measuring cell flanges (wetted)
Pressure elements (wetted)
Movement
Dial
Pointer
Case / slip-on bezel
Window
Differential pressure gauge models 712.15.160, 732.15.160, optional for hazardous areas
-40 ... +60 °C with oxygen
-40 ... +80 °C
-40 ... +60 °C with oxygen
-40 ... +80 °C
-40 ... +60 °C for temperature class T6 and T5
-40 ... +80 °C for temperature class T4
-40 ... +60 °C with oxygen
-40 ... +60 °C for temperature class T6 and T5
-40 ... +80 °C for temperature class T4
NS 160 (level indication)
50 bar
either side up to 50 bar
IP65 per EN/IEC 60529
2 x G ¼ (optional: 2 x ¼ NPT), female, lower mount (LM), centre
distance 37 mm
Option: Adapter for process connection
Model 712.15: Copper alloy CW614N (CuZn39Pb3)
Model 732.15: Stainless steel 316L
Compression spring, stainless steel 1.4310
Separating diaphragm, NBR
Transmission parts, stainless steel 1.4301 and 1.4305
Wear parts stainless steel
White aluminium (see section "Scale designs")
Adjustable pointer, black aluminium
Stainless steel, with bayonet ring
Polycarbonate (PC)
EN
27