The RHM 03 is available with a wide selection of wetted materials and the highest pressure and temperature ratings in the market. It is suitable for all low flow applications where high accuracy is a must.
Range: 0.03 kg/min up to 7.5 kg/min
Pressure: up to 1311 bar (19014 psi)
Temperature: -196°C (-321°F) up to +210°C (410°F)
Accuracy: 0.1 % of rate
Materials: SS 316L / SS 316Ti, Super Duplex – 1.4410, Alloy C22 – 2.4602
Process Connection: ¼" up to 1"
General Specifications
Nominal Flow (Qₙₒₘ)*
5 kg/min (11 lb/min)
Maximum Flow (Qₘₐₓ)*
7.5 kg/min (16.5 lb/min)
Typical Minimum Flow (Qₘᵢₙ)*
0.04 kg/min (0.88 lb/min)
Serial Tube / Single Path
Flow rates Qmax, Qnom and Qmin for "serial" sensors will be 50% of the above listed parallel/dual path version.
Operating Temperature
Fluid temperature range options cover from -196 °C to +210 °C (-320 °F to +410 °F)
For integral transmitter versions please refer to transmitter datasheet
Ambient Temperature
-50 °C to +80 °C (-60 °F to +180 °F). High temperature version for oven installation up to +350 °C (+662 °F) available
Pressure Ratings
Up to 1311 bar / 19014,45 psi – dependent upon material
Electrical Connection Sensor
w/o Integral Transmitter
M20 x 1.5 standard cable entry for JM, SM terminal box versions
Optional entries available : ½" NPT or M25 x 1.5 (only for SM) or ¾" NPT (only for SM)
M16 x 1.5 standard cable entry for PM terminal box version
Max. cable length to remote RHE transmitter 100 m/330 ft.
Sensor Enclosure Materials
Stainless steel 304 (standard), SS 316 (optional)
Coated aluminum terminal box, SS 316 terminal box (optional)
Enclosure Type
Protection class IP 66,