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GE RHM 20, Specifications

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GE RHM 20 Specifications Download Page 7

7

General Specifications RHM 20

Temperature Range

•  NT Models from -20 to +120°C (-4 to +248°F)

•  ET Models from -45 to +120°C (-49 to +248°F)

•  ET2 Models from -45 to +210°C (-49 to +410°F)

•  ET1 Models from -196 to +50°C (-320 to +122°F)

•  HT Models from 0 to 350°C (+32 to +662°F)

(Heating for housing optional, please consult your local agent)

Electrical Connection

•  Junction box Aluminium coated (standard). Junction box in 

SS 316Ti optional

•  Cable entry M25 x 1.5. Optional cable entries M20 x 1.5, 1/2” 

NPT or 3/4” NPT

•  Max cable length between RHM and RHE is 100m (330 ft). 

200m (660 ft) only with factory approval

Material of Wetted Parts

•  1.4571 / SS 316 Ti / UNS S31635 (standard)

•  2.4602 / Alloy C22 / UNS N06022

•  Tantalum

•  Others on request

Sensor Enclosure/Housing

•  Stainless Steel 1.4301 / SS 304, optional in 1.4571 / SS 316Ti. 

Others on request

•  Protection Class IP 65. Optional IP 66 / NEMA 4x

Approvals

•  ATEX Ex II 1 G, EEx ia IIC T6-T1

•  CSA USA-Canada, Class I, Div. 1, Groups A, B, C, D

•  PED according to directive 97/23/EC: Art.3 (3) Sound 

Engineering Practice (SEP), Module A1 or Module B + C1 – 

depending on construction type and measured fluid

•  Others on request

Summary of Contents for RHM 20

Page 1: ...ility better than 0 05 Unique torsion oscillator Typical measuring ranges from 3 to 300 kg min Minimal flows as low as 2 25 kg min Optimized solutions for batching operation Customization possible Hazardous Area Approvals ATEX CSA Medium Sized Coriolis Mass Flowmeter Advantages Torsion oscillator design assures most stable and basically drift free measurement and increased signal to noise ratio No...

Page 2: ...ANSI 1 1 2 150 RF SF 460 18 11 F1 Flange ANSI 1 1 2 300 RF SF 460 18 11 F2 Flange ANSI 1 1 2 600 RF SF 500 19 69 F3 Optional JIS B 2220 RF 10k 40A 1 1 2 460 18 11 J1 JIS B 2220 RF 20k 40A 1 1 2 460 18 11 J2 A1 285 mm 11 22 in B1 50 mm 1 97 in Terminal box without cable gland 125 x 80 x 58 mm 4 92 x 3 15 x 2 28 in A2 300 mm 11 81 in B2 70 mm 2 76 in W 0 mm for Temperature Range T1 and TA H1 454 mm ...

Page 3: ...nge JIS RF 10k 50A 2 460 18 11 K1 Type parallel welded measuring loops without seals and flange connection PFT parallel sealless construction with thread connection Process Connection Face to face length L Order Code mm in Standard Female Thread G 1 400 15 75 G1 Female Thread 1 NPT 400 15 75 N1 Swagelok 1 Tube inlet SS 1610 1 16W 560 22 05 W1 Type parallel welded measuring loops without seals and ...

Page 4: ... 17 87 in V 26 mm 1 02 in W 150 mm 5 91 in for Temperature Range T2 T3 and T4 H2 540 mm 21 26 in SF0 construction contains brazed joints brazing material B Ni82CrSiBFe 970 1000 which are not as corrosion resistant as the piping material 1 4571 316Ti Fully welded joints for corrosive liquids and higher pressure ratings can be provided please consult your local agent Weight in standard manifold cons...

Page 5: ...P1 measuring loops M3 optional material 2 4602 Alloy C22 OD x WT 19 1 x 1 25 mm 0 752 x 0 049 in bar C psi F 193 50 2799 122 171 120 2480 248 146 210 2118 410 121 350 1755 662 pmax of P2 measuring loops M1 standard material 1 4571 316Ti OD x WT 20 x 2 mm 0 787 x 0 079 in bar C psi F 250 50 3626 122 225 120 3263 248 193 210 2799 410 162 350 2350 662 pmax of P2 measuring loops M3 optional material 2...

Page 6: ...w Rate kg min Flow Rate kg min Flow Rate kg min Nominal flow Qnom refers to roughly 8 10 m s 26 33 ft s velocity in measuring loops for best performance Selected sensors are only available in combination with temperature options T1 TA standard material and pressure range Serial single path versions offer the same accuracy at half the flow Qmax serial version 150 kg min No relevant pressure effect ...

Page 7: ...tries M20 x 1 5 1 2 NPT or 3 4 NPT Max cable length between RHM and RHE is 100m 330 ft 200m 660 ft only with factory approval Material of Wetted Parts 1 4571 SS 316 Ti UNS S31635 standard 2 4602 Alloy C22 UNS N06022 Tantalum Others on request Sensor Enclosure Housing Stainless Steel 1 4301 SS 304 optional in 1 4571 SS 316Ti Others on request Protection Class IP 65 Optional IP 66 NEMA 4x Approvals ...

Page 8: ...ops and Connection Part 2 4602 Alloy C22 Seal Less Construction only M4 Measuring Loops and Connection Part Tantalum PF0 Construction Type only Process Connection C1 Flange DIN DN40 PN40 Form C EN 1092 1 Form B1 C2 Flange DIN DN40 PN100 Form E EN 1092 1 Form B2 D1 Flange DIN DN50 PN40 Form C EN 1092 1 Form B1 D2 Flange DIN DN50 PN100 Form E EN 1092 1 Form B2 F1 Flange ANSI 1 150 RF SF F2 Flange AN...

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