WIKA 116.18.02 Series, Operating Instructions Manual

Page: 17 / 68

EN
WIKA operating instructions model 116.18.02x 17
14557999.01 01/2023 EN/DE/FR/ES
9. Specifications
Specifications
Nominal size (NS)
■
Ø 23 mm [0.91"]
■
Ø 24 mm [0.94"]
■
Ø 25 mm [0.98"]
■
Ø 26 mm [1.02"]
■
Ø 27 mm [1.06"]
■
Ø 28 mm [1.10"]
■
Ø 29 mm [1.14"]
Accuracy 1)
■
±5 % of measuring span
■
±2.5 % at a defined pressure value
Maximum pressure limitation Steady: 3/4 x full scale value
Short time: Full scale value
Permissible temperature range Ambient: -20 ... +60 °C [-4 ... +140 °F]
Medium: -20 ... +60 °C [-4 ... +140 °F]
Storage: -40 ... +70 °C [-40 ... +158 °F]
Temperature effect max. ±0.4 %/10 K of span
When the temperature of the measuring system
deviates from the reference temperature (+20 °C)
Ingress protection per IEC/EN 60529 IP65
Process connection
Material
Connection location
■
Copper alloy, nickel-plated
■
Copper alloy, natural finish
Centre back mount
Type of measuring element Helical tube, copper alloy
Dial
Material
Scale angle
■
Aluminium, white
■
Plastic, white
Indication angle 120° ±15°
Instrument pointer Copper alloy, black
Case
■
Copper alloy, nickel-plated
■
Copper alloy, natural finish
Window Polycarbonate
1) Including non-linearity, hysteresis, zero offset and end value deviation
9. Specifications