Differential Pressure Indicator – RW-65

Measuring draft, pressure, differential pressure, and flow optional with contacts

– Measuring Ranges freely selectable from 0…40 Pa (+/-20 Pa) to 0…1.8 kPa
– Scale Units Pa, kPa, daPa, mbar, mmWS, mmCE, in.W.C.
– Accuracy max. error +/-1.5% of span, or +/-1.5 Pa
– Ambient temp. -20….0 . . . +50 °C (-4…+122 °F)
– Housing wall mounting IP65

Option:

Inductive Contacts
Inductive sensors according to NAMUR / ATEX [EEx ia IIC T6]

– 1xMin Type IK1/0
– 1xMax Type IK0/1
– 2xMin Type IK2/0
– 1xMin / 1xMax Type IK1/1
– “Min”- function: vane dips into slot at decreasing pressure
– “Max”-function: vane dips into slot at increasing pressure
– Isolation Switch Amplifier (Turck)
– housing for snap-in on DIN-rail, 18mm wide, universal power supply
– IM1-121Ex-R single-channel, for 1 Inductive sensor
– IM1-22Ex-R dual channel, for 2 Inductive sensors

Mechanical Contacts
Applicable for ranges above 200 Pa, only

-Contacts rated at 30W / 50VA; max. 250V. Hysteresis 1-2%
-1x Min MK1/0 contact closing at decreasing pressure
-1x Max MK0/1 contact closing at increasing pressure
-Min / Min MK2/0 both closing at decreasing pressure
-Max / Max MK0/2 both closing at increasing pressure
-Min / Max MK1/1 1x opens 1x closes
-Type RW65 Ringbalance in IP65-housing