Ringbalance RW65 measuring draft, pressure, differential pressure, and flow; optional: with contacts Measuring Ranges from 0...40 Pa to 0...1.8 kPa (0.15" W.C.-7" W.C.) - see next page - Scale Units Pa, kPa, daPa, mbar, mmWS, mmCE, in.W.C. Ambient temp. Setpoint adjustment (contacts) wall mounting IP65 (see next page) Option: Inductive Contacts Inductive sensors according to NAMUR / ATEX [EEx ia IIC T6], Turck or Pepperl & Fuchs, type "N" ("SN" also available) 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 RW65 with 2 Inductive Contacts 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 Option: 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 Order Specifications Metal vane Ringbody Max-Sensor Inductive Sensors 1. Type: RW65 2. Measuring range 3. Options (IK... MK...) RW65 - (-25/0/+25 Pa) - IK1/1 Isolation Switching Amplifier IM1-22-Ex-R

Measuring Ranges, Filling Fluids Overload Limits Filling Fluids Note: All Ringbalance instruments are factory-filled. The type of oil need not be mentioned in the order. "Mineral Oil" density 0,8 kg/l; for ranges up to +/-700 Pa max. overload: +/-900 Pa Overload Protection Every Ringbalance is inherently protected to at least +/-900 Pa (3.5"W.C.), even it has, for example, a measuring range of only 0-40 Pa (0.15"W.C.). With the synthetic oil filling fluid, the Ringbalance is inherently protected to +/-2.1 kPa (8"W.C.). If those limits (900 Pa / 2.1 kPa) are expected to be exceeded in the specific...