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Technical Specifications
Medium

4120.5xM: Water-based 

4121.5xM: Oil-based
Sensor Data
Measuring range

4120.5xM: 0 - 20 cm/s to 0 - 300 cm/s, cont. adjust (See note 1)

4121.5xM: 0 - 30 cm/s to 0 - 300 cm/s, cont. adjust (See note 2)
Set-point range

ca. 15 % - 90 % of measuring range setting
Medium temperature

-20 °C to +80 °C
Ambient temperature

-20 °C to +70 °C
Pressure

max. 100 bar (1000 Kpa)
Response time

4120.5xM: 2 - 10 sec., according to range setting 

4121.5xM: 2 -15 sec., according to range setting
Linearity deviation

4120.5xM: < 5 % (see note 1)

4121.5xM: < 5 % (see note 2)

 
Repeatability

< 2 %
Hysteresis

ca. 10 %
Mechanical data
Protection class

IP 67
Material housing

Stainless steel AISI 303 or equivalent 
Material of sensor probe

Stainless steel AISI 303 or equivalent (other material on request)
Thread

G ½ “ BSP, alt. ½ “ 14 - NPT
Electrical connection

2 m oilflex cable, 4 x 0.75 mm²

 
Electrical data
Operating voltage

90 - 250 VAC/DC
Switching current / Contact load

Max. 100 mA at 90 - 250 VAC/DC 
Initial operation

approx 10 sec. after connection of power
Electrical output

Solid state relay (SSR)
Flow < set - point

412x.52M: Led on

412x.53M: Led off
Notes

1) data relate to water
2) calibrated with insulation oil type "Shell Diala S4 ZX-I"
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