Product Range Guide - Rossmann Electronic GmbH

Aerospace & Military Products
Variable Reluctance Speed Sensors
Simple, rugged devices that do not require an external voltage source for operation,
Variable Reluctance sensors provide direct conversion of actuator speed to output
frequency. Potential applications include engine and motor RPM, process, flow, wheel-slip,
and gear-speed measurement.
Variable
Reluctance
Speed Sensors
VRS General
Purpose
VRS Hazardous Location
Output voltage range 8 Vp-p to 40 Vp-p (inclusive) 30 Vp-p to 60 Vp-p (inclusive)
Housing diameter 5/8 in, 3/8 in, 1/4 in, 10/32 in 3/4 in, 5/8 in
Housing material/style stainless steel threaded or smooth stainless steel threaded
Termination MS3106 connector, preleaded MS3106 connector, preleaded
Operating
temperature range
-55 °C to 120 °C
[-67 °F to 250 °F] (inclusive)
-73 °C to 120 °C
[-100 °F to 250 °F] (inclusive)
Coil resistance 45 Ohm to 85 Ohm 191 Ohm to 280 Ohm
Inductance 25 mH max. 115 mH max.
Gear pitch range 24 DP (module 1.06) or coarser 12 DP (module 2.11) or coarser
Optimum actuator 20 DP (module 1.27) ferrous metal gear 8 DP (module 3.17) ferrous metal gear
Min. surface speed 0,50 ms [20 in/s] typ. 0,38 ms [15 in/s] typ.
Max. operating freq. 50 kHz typ. 40 kHz typ.
Vibration MIL-STD-202F, Method 204D MIL-STD-202F, Method 204D
Features
self-powered operation; simple installation; no
moving parts; operates over wide speed range;
customized versions available
self-powered operation; simple installation; no
moving parts; operates over wide speed range;
customized versions available
22 www.honeywell.com/sensing