LEVEL Switches RFM-500 RAM-403 RRH-300 RLH-300 RNM-401

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1 Vibrating fork level switches nivoswitch GENERL DESCRITION NIVOSWITCH vibrating fork level switches are suitable for level detection of liquids or granular, powdered solids. Units with parallel vibrating fork are suitable for liquids, units with non parallel vibrating fork are suitable for solids. ounted on pipes, silos, tanks or hopper bins it can control filling / emptying, also can generate fail-safe alarms providing overfill- or dry run protection. The operation principle is based on that the electronic circuit excites a vibration in the fork probe. When the medium reaches and covers the fork, its vibration changes or stops. The fork will start vibrating again as the medium sets it free. The electronics senses the change of vibration and gives output signal after a selected delay. The plastic coated version is recommended to use for aggressive mediums, the highly polished version is recommended to use for abrasive mediums. The N/NN transistor output versions can be connected directly to LC, or relay unit. NIVOSWITCH vibrating forks are able to solve switching tasks of high-current loads with the help of UNICONT switching amplifiers. UNICONT Ex is a recommended intrinsically safe switching unit designed for Ex rated vibrating forks. IN FETURES Compact and mini compact type Rod extension up to 10 feet (3 m) lastic F coated version olished vibrating part Hygienic versions with various process connections and 0.5 micron fine polishing Selectable sensitivity Relay or electronic output Switching performance does not depend on the change of liquid conductivity, dielectric constant, pressure and temperature edium temperature max. 266 F Output test with optional test magnet Ex version I67, I65/I68 protection LICTIONS For liquids: min. 0.7 specific gravity and max. 0.1 ft 2 /s viscosity, for solids: min specific gravity Level switch of liquids, powders, granules Food & beverages industry, animal feed, chemical industry, oil industry For normal or hazardous, aggressive (acids, solvents) liquids For free-flowing, powdered solids, granules Covers a large variety of level detection, applications such as high/low fail safe limit switch, overfill or dry run protection, pump controls CERTIFICTIONS TEX approved (Ex ia) TEX approved (Ex d) TEX approved (Dust Ex) IEC approved (Ex d) Germanischer Lloyd (only for RF-400 compact types for liquids) F CS RS test magnet TYE SELECTION selection is aided by this table for choosing the proper version to a given level switching task. ost essential aspect is the consistency (liquid or solid) of the measurement medium. pplication Liquids Solids Features ini compact ini compact Compact etal housing lastic housing Extension Highly polished version lastic coated fork 1 process connection 1 ½ process connection Relay output Electronic output Terminal Electronic DIN connector connection 12 connector Cable Intrinsically safe version Flameproof enclosure Dust Ex version Germanischer Lloyd Function setting (low-high level) (1) (1) Function indication Density selection Output test magnet Compact (1) only for 3-wire DC versions RF Ex Ex ia power supply for Ex ia type vibrating forks RN-401 R-403 RC-400 cable version RC-400 with 12 connector RC-400 with DIN connector RRH-300 RLH-300

2 VIRTING FOR LEVEL SWITCHESN TECHNICL DT Insertion length ini compact Compact For liquids For solids For liquids For solids 2.7 inch - 10 feet ( mm) 5.4 inch - 10 feet ( mm) 2.7 inch - 10 feet ( mm) 5.4 inch - 10 feet ( mm) aterial of wetted parts 316 Ti or F coating 316 Ti stainless steel 316 Ti or F coating 316 Ti stainless steel s per order code edium temperature 40 F to +266 F (see: temperature diagrams), for F coated types: -40 F to 248 F mbient temperature edium pressure 40 F F (see: temperature diagrams) with 12 connector: 25 C to +70 C 22 F to +158 F 40 F to +158 F max. 580 psig (40bar) (see: pressure diagrams) Specific gravity > 0.7 S.G S.G. > 0.7 S.G S.G. edium viscosity mm²/s (cst) mm²/s (cst) ower supply 2-wire DC: V DC 2-wire DC: V DC 2-wire C: V C; 3-wire DC: V DC V C, 20-60V DC ower consumption C: depending on load; DC: < 0.6 W C: V; DC: < 3 W Housing material 316 Ti stainless steel aint coated aluminum or plastic (T) Electrical connection Connector, or 10 ft (3 m) integrated cable (1) 2xWG 20 / 4xWG 19 /5xWG 20 2x20x1.5 cable gland, for Ø inch mm cable, terminal for WG WG 15 wire cross section Electrical protection C version: Class I.; DC version: Class III. Class I. Ingress protection DIN connector type: I65, 12 con. type: I67, cable type: I68 ass 1.1 lb + 1 lb/ft extension 2.85 lb + 1 lb/ft extension SECIL DT FOR Ex CERTIFIED ODELS I67 (1) available cable length: max. 100 ft (30 m) NIVOSWITCH liquids NIVOSWITCH solids ini compact type with 2-wire DC output (2) Compact type with metal housing rotection type Intrinsically safe Flameproof enclosure Dust Ex Ex marking TEX TEX & IEC Ex / F & CS TEX see: edium temperature 40 C C See: Temperature data tables mbient temperature 40 C C Electrical connection Connector or max. 3 m integrated cable 2 pcs. metal 20x1.5 cable glands for Ø inch cable (2) Intrinsically safe vibrating forks should be powered by [Ex ia] certified and approved devices, for example by UNICONT -8 Ex TEERTURE DT edium pressure - edium temperature ( T ) edium pressure (T ) edium temperature edium pressure - edium temperature flange version ( T ) edium pressure (T ) edium temperature Temperature classes T6 T5 T4 ini compact type for liquids (Ex ia) ax. ambient temperature +70 C +60 C +60 C in. ambient temperature with DIN connector or integrated cable with 12 connector 40 C 25 C ax. medium temperature +70 C +75 C +95 C +130 C Compact types with flameproof enclosure (Ex d) edium temperature min.: -40 C; ax: +70 C +80 C +95 C +130 C mbient temperature min.: -40 C; ax: +65 C +50 C +65 C +70 C ax. surface temp. of the process conn. +70 C +80 C +95 C +125 C ax. surface temperature +75 C +80 C +95 C +130 C ini - Compact version Temperature limits: (T ) mbient temperature (T ) edium temperature (I L ) Load current of DC versions 99

3 VIRTING FOR LEVEL SWITCHESN OUTUT DT RESONSE TIE DIGR Compact type Output For liquids For solids Relay 1 or 2 pcs (SDT) relays 250 V C, 8, C1 / 250 V C, 6, C1 Response when immersed 0.5 sec time when free 1sec (1) 1 sec H density 3 sec L density ini compact type Output For liquids For solids 2-wire DC 2-wire C 3-wire DC DC current change when immersed: 14 m ± 1 m when free: 9 m ± 1 m voltage drop (in switched-on state): < 10.5 V C output for serial connection residual current (in switched-off state): < 6 m max. continuous 350 m, C m, C 13; Ex version: 140 m Current load min. continuous 10 m / 255 V; 25 m / 24 V max. impulse 1.5 / 40 msec Transistor switch NN or N output can be realized with appropriate wiring Voltage drop (in switched-on state) < 4.5 V < 1.8 V Current load (max. continuous) 350 m / Umax=55 V 350 m / Umax=55 V (Ex version: 200 m) Residual current (in switched-off state) < 100 µ < 10 µ Response when immersed 0.5 sec time when free < 1sec (1) 1 sec H density < 3 sec L density OERTION (1) see: viscosity diagram Compact and ini compact type ower supply Switching Fail-Safe setting (2) Status LED Relay Output Electronic High level ON Low level OFF High or Low ower supply ON OFF 2-wire DC version Switching Status LED Output Fork immersed, or fork is free 14 ±1 m 9 ±1 m OERTION ODE SWITCHES Compact Fail-Safe Fail-safe alarm is indicated with de-energised relay or open state of the output Compact Density edium density 0.5 kg/dm³ edium density < 0.5 kg/dm³ 100 (2) Can be done with appropriate wiring in case of mini compact type with integrated cable

4 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RF/RD/R-400/500 with short or standard probe Compact vibrating fork level switch for liquids Short probe length: 2.7" (69 mm), standard probe length: 4.9" (125 mm) R n n n n 0 0 Short probe: 2.7" (69 mm) 0 1 Standard probe: 4.9" (125 mm) Fork material R n n n n n F Stainless steel with tumble polishing D 6 F coated stainless steel (only 1" S or flange process connection) 6 Highly polished stainless steel R n n n n n 1" S 1" NT T 1 1/2" Triclamp (ISO2852) R 2" Triclamp (ISO2852) D DN 40 ipe coupling (DIN 11851) E DN 50 ipe coupling (DIN 11851) Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi F coated stainless steel flange Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; from -20 C to +90 C) NSI 2" FF 150 psi IS Housing R n n Output R n n n n n n n n 4 luminium (paint coated) 5 lastic, T, glass fibre reinforced 0 1 SDT relay, 250 V C, 8 2 SDT relay, 1 x 250 V C, 8 and 1 x 250 V C, 6 RF / RF-400 / 500 RF / RF-401 /

5 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RF/RD/R-400/500 with rod extended probe Compact vibrating fork level switch for liquids with stainless steel rod extended probe up to 10 ft (3 m) Fork material R n n n n n F Stainless steel with tumble polishing D 6 F coated stainless steel (only 1" S or flange process connection) 6 Highly polished stainless steel R n n n n n 1" S 1" NT T 1 1/2" Triclamp (ISO2852) R 2" Triclamp (ISO2852) D DN 40 ipe coupling (DIN 11851) E DN 50 ipe coupling (DIN 11851) Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi F coated stainless steel flange Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; from -20 C to +90 C) NSI 2" FF 150 psi IS Housing R n n n n n 4 luminium (paint coated) 5 lastic, T, glass fibre reinforced R n n n n For standard polished forks (RF) m n n m; each started 0.1 m For highly polished forks (R) m n n m; each started 0.1 m For F coated stainless steel forks (RD) m n n m; each started 0.1 m nn = : m Output R n n n n n 0 1 SDT relay, 250 V C, 8 2 SDT relay, 1 x 250 V C, 8 and 1 x 250 V C, 6 Non-standard probe lengths available on request RF / RF RF / RF

6 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RN/R-400 with standard or rod extended probe Compact vibrating fork level switch for liquids, standard probe length: 4.9" (125 mm) or with stainless steel rod extended probe up to 10 ft (3 m) Fork material / pproval R n 4 n n n N Stainless steel with tumble polishing / Ex d Highly polished stainless steel / Ex d R n 4 n n n 1" S 1" NT H 1 1/2" S N 1 1/2" NT C 2" S L 2" NT Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi Housing R n n n n n 4 luminium (paint coated) R n n 4 n For standard polished forks (RN) 0 1 Standard probe: 125 mm n n m; each started 0.1 m For highly polished forks (R) 0 1 Standard probe: 125 mm n n m; each started 0.1 m nn = : m Output R n n 4 n n N 1 SDT relay, 250 V C, 8 2 SDT relay, 1 x 250 V C, 8 and 1 x 250 V C, 6 Insertion lenght (L N ) RN / RN-401 RN / RN

7 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RC/RG/R/RE-400 with short or standard probe ini compact vibrating fork level switch for liquids Short probe length: 2.7" (69 mm), standard probe length: 4.9" (125 mm) R n n 4 n 0 0 Short probe: 2.7" (69 mm) 0 1 Standard probe: 4.9" (125 mm) Fork material R n 4 n n n C Stainless steel with tumble polishing G 6 Highly polished stainless steel 6 F coated stainless steel fork (only 1" S or flange process connection) E Without function test reed R n 4 n n n 1" S 1" NT T 1 1/2" Triclamp (ISO2852) R 2" Triclamp (ISO2852) D DN 40 ipe coupling (DIN 11851) E DN 50 ipe coupling (DIN 11851) Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi F coated stainless steel flange Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; -20 C to +90 C), drilled like DIN N16 / NSI 150 psi NSI 2" FF 150 psi IS Output / pproval R n n 4 n n 1 2-wire C, DIN connector 2 2-wire C, cable 3 3-wire DC, DIN connector 4 3-wire DC, cable 6 2-wire DC, DIN connector 7 2-wire DC, cable 8 2-wire DC, DIN connector / Ex ia 9 2-wire DC, cable / Ex ia 2-wire DC, 12 connector L 2-wire DC, 12 connector / Ex ia 3-wire DC, 12 connector Cable aximum length 30 m; each started 1 m over the standard 3 m R -4-9 Ex version comes with 3 m cable only RC / RC-400 RCT / RCR-400 RC / RC-400 RCG-400 RCD-400 RC / RC-401 RC / RC-401 RCT / RCR-401 RCG / RCF-401 RCD RCE Nominal size DN 40 DN 50 RD 65x1/6 RD 78x1/6 104 NIV24 RC RC-401-3

8 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RC/RG/R/RE-400 with rod extended probe ini compact vibrating fork level switch for liquids with stainless steel rod extended probe up to 10 ft (3 m) Fork material R n 4 n n n C Stainless steel with tumble polishing G 6 Highly polished stainless steel 6 F coated stainless steel fork (only 1" S or flange process connection) E Without function test reed R n 4 n n n 1" S 1" NT T 1 1/2" Triclamp (ISO2852) R 2" Triclamp (ISO2852) D DN 40 ipe coupling (DIN 11851) E DN 50 ipe coupling (DIN 11851) Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi F coated stainless steel flange Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; -20 C to +90 C), drilled like DIN N16 / NSI 150 psi NSI 2" FF 150 psi IS R n n 4 n For standard polished forks (RC, RE) m n n m; each started 0.1 m For highly polished forks (RG) m n n m; each started 0.1 m For F coated stainless steel forks (R) m n n m; each started 0.1 m nn = : m Output / pproval R n n 4 n n 1 2-wire C, DIN connector 2 2-wire C, cable 3 3-wire DC, DIN connector 4 3-wire DC, cable 6 2-wire DC, DIN connector 7 2-wire DC, cable 8 2-wire DC, DIN connector / Ex ia 9 2-wire DC, cable / Ex ia 2-wire DC, 12 connector L 2-wire DC, 12 connector / Ex ia 3-wire DC, 12 connector Cable aximum length 30 m; each started 1 m over the standard 3 m R -4-9 Ex version comes with 3 m cable only RC / RC RC / RC

9 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RF-200/RF-300 with standard probe Compact vibrating fork level switch for light free flowing solids Standard probe length: 4.9" (125 mm) R F n n n n 1" S 1" NT Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS Housing R F n n n n 2 lastic, T, glass fibre reinforced (Ex version not available) 3 luminium (paint coated) R F n n n " (125 mm) Output / pproval R F n n n n 0 1 SDT relay, 250 V C, 8 2 SDT relays, 1 x 250 V C, 8 and 1 x 250 V C, 6 1 SDT relay, 250V C, 8 / Ex 1/2D RF / RF-201 /

10 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RF-200/RF-300 with rod extended probe Compact vibrating fork level switch for light free flowing solids with stainless steel rod extended probe up to 10 ft (3 m) R F n n n n 1" S 1" NT Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS Housing R F n n n n 2 lastic, T, glass fibre reinforced (Ex version not available) 3 luminium (paint coated) R F n n n m n n m; each started 0.1 m nn = : m Output / pproval R F n n n n 0 1 SDT relay, 250 V C, 8 2 SDT relays, 1 x 250 V C, 8 and 1 x 250 V C, 6 1 SDT relay, 250V C, 8 / Ex 1/2D RF / RF RF / RF

11 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RC-300 with standard probe ini compact vibrating fork level switch for light free flowing solids Standard probe length: 4.9" (125 mm) R C 3 n n n 1" S 1" NT Flanges conform to: EN / NSI 16.5 NSI 2" RF 600 / 300 psi flanges (max.: 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS R C n 3 n " (125 mm) Output / pproval R C n 3 n n 1 2-wire C, connector 2 2-wire C, cable 3 3-wire DC, connector 4 3-wire DC, cable 6 2-wire DC, connector 7 2-wire DC, cable Cable aximum length 30 m; each started 1 m over the standard 3 m RC / RC-301 RC / RC

12 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RC-300 with rod extended probe ini compact vibrating fork level switch for light free flowing solids with stainless steel rod extended probe up to 10 ft (3 m) R C 3 n n n 1" S 1" NT Flanges conform to: EN / NSI 16.5 NSI 2" RF 600 / 300 psi flanges (max.: 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS R C n 3 n m n n m; each started 0.1 m nn = : m Output / pproval R C n 3 n n 1 2-wire C, connector 2 2-wire C, cable 3 3-wire DC, connector 4 3-wire DC, cable 6 2-wire DC, connector 7 2-wire DC, cable Cable aximum length 30 m; each started 1 m over the standard 3 m RC / RC RC / RC

13 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RR-200/300 with short or standard probe Compact vibrating fork level switch with welded fork for powders and granules Short probe length: 5.4" (137 mm), standard probe length: 6.85" (175 mm) R R n n n 0 1 Short probe, : 5.4" (137 mm) 0 2 Standard probe, : 6.85" (175 mm) R R n n n n H 1 1/2" S N 1 1/2" NT Flanges conform to: EN / NSI 16,5 NSI 2" RF 600 / 300 psi flanges (maximum 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS Housing R R n Output / pproval R R n n n n n n n 2 lastic, T, glass fibre reinforced (Ex version not available) 3 luminium (paint coated) 0 1 SDT relay: 250V C, 8 2 SDT relays (1 x 250 V C, 8 and 1 x 250 V C, 6 ) 1 SDT relay: 250V C, 8 / Ex 1/2D RRH / RRN-201 / 301 RRH / RRN-202 /

14 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RR-200/RR-300 with rod extended probe Compact vibrating fork level switch with welded fork for powders and granules with stainless steel rod extended probe up to 10 ft (3 m) R R n n n n H 1 1/2" S N 1 1/2" NT Flanges conform to: EN / NSI 16 NSI 2" RF 600/300 psi flanges (maximum 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS Housing R R n n n n 2 lastic, T, glass fibre reinforced (Ex version not available) 3 luminium (paint coated) R R n n n m n n m; each started 0.1 m nn = : m Output / pproval R R n n n n 0 1 SDT relay: 250V C, 8 2 SDT relays (1 x 250 V C, 8 and 1 x 250 V C, 6 ) 1 SDT relay: 250V C, 8 / Ex 1/2D RRH / RRN RRH / RRN

15 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RL-300 with short probe or standard probe ini compact vibrating fork level switch with welded fork for powders and granules Short probe length: 5.4" (137 mm), standard probe length: 6.85" (175 mm) R L n 3 n 0 1 Standard probe, : 5.4" (137 mm) 0 2 Standard probe, : 6.85" (175 mm) R L 3 n n n H 1 1/2" S N 1 1/2" NT Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS Output / pproval R L n 3 n n 1 2-wire C, DIN connector 2 2-wire C, integrated cable 3 3-wire DC, DIN connector 4 3-wire DC, integrated cable 6 2 wire DC, DIN connector 7 2 wire DC, integrated cable Cable aximum length 30 m; each started 1 m over the standard 3 m RLH / RLN-301 RLH / RLN-301 RLH / RLN-302 RLH / RLN

16 VIRTING FOR LEVEL SWITCHESN NIVOSWITCH RL-300 with rod extended probe ini compact vibrating fork level switch with welded fork for powders and granules with stainless steel rod extended probe up to 10 ft (3 m) R L 3 n n n H 1 1/2" S N 1 1/2" NT Flanges conform to: EN / NSI 16.5 NSI 2" RF 600/300 psi flanges (max. 6 bar; -20 C to +90 C) NSI 2" FF 150 psi IS R L n 3 n m n n m; each started 0.1 m nn = : m Output / pproval R L n 3 n n 1 2-wire C, DIN connector 2 2-wire C, integrated cable 3 3-wire DC, DIN connector 4 3-wire DC, integrated cable 6 2 wire DC, DIN connector 7 2 wire DC, integrated cable Cable aximum length 30 m; each started 1 m over the standard 3 m RLH / RLN RLH / RLN

17 accessories UNICONT Ex DIN-rail mountable intrinsically safe remote switching unit dedicated to the Ex ia rated NIVOSWITCH R-400 series mini compact vibrating fork level switches V DC / Ex vibrating fork UNICONT -300 DIN-rail mountable programmable current controlled remote switching unit featuring 1-22 m input current and powering capabilities for transmitters V C V C V C V C/DC V C/DC / Ex ia NIVOSWITCH R Sliding sleeve for NIVOSWITCH R-300/R-400 series vibrating forks only for extended versions without coating and with a minimum length of 300 mm R H /2" S (1.4571, max. up to 6 bar medium pressure) R N /2" NT (1.4571, max. up to 6 bar medium pressure) NIVOSWITCH R Stainless steel weld-in socket for flush mounting for NIVOSWITCH R_-400 type vibrating forks R G " S R " NT NIVOSWITCH RS agnetic screwdriver for operation test of mini compact NIVOSWITCH vibration forks R S Test magnet -312 RC RH-112 RH-112 RG