File N. E471457 Technical Data Sheet Smart Lk Series Meter 1/2 The mving irn & mving cil panel meters sizes 2 " 1/2, 3 " are hused in a mulded plycarbnate cases which are suitable fr the measurement f AC & DC ammeters, vltmeter & frequency meters utilizing a high trque pivt and jewel mvement and elapsed time meters. Special Features Surface munting. Near linear scale. Glass lled plycarbnate husing (UL 94 V-0). Cmpact case sizes.
' Smart Lk Series Meter Applicatin The smart lk range f analg panel meters ffers accurate measurement and indicatin f mst electrical 1/2 & electrnics parameters in industry standard 2 " 1/2, 3 " case sizes. A range f shrt scale panel meters that cmply with Internatinally recgnised specificatins. Their rugged design will suit demanding envirnmental applicatins. Functinal Areas Switchgear Distributin systems Cntrl panels Generatr sets Energy managment Building managment Utility pwer managment Prcess cntrl Mtr mnitring Features 1/2 " 1/2 " Tw case sizes available : 2, 3 inches Dust and water jet prtected t IP54 (NEMA 4) Withstands high levels f shck, vibratin, dirt and humidity. UL apprved. Instruments cmply with EN61010-1 and meets IEC414 Dielectric Test. Cmplies with internatinal standards : IEC51 (EN60051) r ANSI-C39.1 Benefits AC mving irn and mving cil mechanisms. ANSI standard case sizes. Elapsed time mvement mechanism. Operatin Mving Cil Meter Frequency Meter These meters ffers a centre cred, self shielding mving cil Frequency meters use a 90 µ A mvement driven by an mvements using pivts, hairspring and spring jewels. Variatins EMC hard frequency cnversin circuit. in mvement are limited by design. All DC vltmeters are 1000 Dials, Pinters and Scales hms per vlt, mving cil rectified prducts run at 900 hms per vlt. Milivlt meter use the 5 miliamps/50mv resistance. Standard dials are matt white black printed scales and a tubular knife- edge black are balanced within 1% f scale length and Mving Irn Meter feature a highly repeatable flattened are scale shape, ensuring This clapper type repulsin design utilizes a pivt, hairspring and cnsistently accurate measurement reading. Dials are jewel mvement. The bttm jewel is il filled t prvide damping interchangable between the cntendr range f prducts using while th tp is spring fr resilience.all vltmeters are manufactured the same input within the published specificatin f the meter. Optins fr nn standard custmer specific dials are available with internal vltage drpper resistr. upn request. Page 1 f 7
Smart Lk Series Meter Technical Specificatins Applicable Standards Terminal blts/leads DIN 46200/46282 Safety requirements and prtective measures fr Electrical indicating. instruments and their accessries Perfrmance speci catins fr direct acting indicating analgue electrical measuring instruments and their accessries IEC 529, IEC 61010-1 IS 1248 IEC 51 ANSI C39.1 1981 UL Cmpatibility UL 94 V-0 Mechanical Data Case details Case material Frnt windw Clur f case Psitin f use Panel xing Mulded case suitable fr munting in Cntrl / switchgear panels Machinery cnsles. Plycarbnate, ame retardant and drip prf as per UL 94 V-0. Plycarbnate (transparent) Black Vertical Fixing Stud Cmply with fllwing Eurpean directives 2004 / 108 / EC (EMC directive ), 2006 / 95/EC ( lw vltage directive ) & amendment 93/68/EEC, Fr CE Marking. Panel thickness < 10 mm Pinter Pinter de ectin 90 Scale characteristics Scale divisin Scale and Pinter Spear (A) Near Linear abve 10% f nminal full Scale value fr mving irn (B) Linear scale fr mving cil, frequency, mving cil with rectifier Carse - ne Vltmeters and Ammeters & Frequency meters Fixing Reference Cnditins Accuracy Terminals Terminal 10-32 UNF, Washer 10-32 UNF Surface munting with 2 studs/3 studs /4 studs by 4-40 UNC studs. Accrding t IEC 51/DIN EN 60051 Scale length 212 312 50.61 mm 64.76 mm DC Ammeters & Vltmeters Frequency Meters Ambient temperature 23 C ± 2 C 1.5% 0 t 100% f full scale deflectin AC Ammeters & Vltmeters Mving irn: 1.5% 10 t 100% f full scale deflectin Mving cil: 1.5% 0 t 100% f full scale deflectin 0.5% f end scale value Psitin f use Nminal psitin ±1 Nminal Range f use Ambient Temperature 0...40 C Psitin f use Vertical ± 5 Input Wavefrm Frequency Rated value f measured quantity sine wave, distrtin factr < 5% 45-65Hz Other Cnditins IEC 51/DIN EN 60051 Frequency External Magnetic Field FN ± 10% At 0.4 ka/m Page 2 f 7
Smart Lk Series Meter Electrical Data Elapsed Time Meter and Frequency Meter Vltage 100/125V 200/250V Frequency Meters B urden Accuracy Class 1.5 Optins Frnt Windw Clr f Case Case 45 r 55Hz 55 r 65Hz 45 r 65 Hz 4 VA Maximum Mving Irn A.C. Ammeters & Vltmeters Ammeters Vltmeters Overlad Ammeters Vltmeters B urden Ammeters Vltmeters 1 t 30 A 10V t 600V Mving Cil D.C. Ammeters & Vltmeters Accuracy Class 1.5 Ammeters Vltmeters x 1.2 fr 2 Hurs x 10 fr 5 Sec x 1.2 fr 2 Hurs x 2 fr 5 Sec 0.5 VA 4.5 VA 100mA t 30A 50mV t 600V Plycarbnate (Transparent) Black Envirnmental Cnditins Climatic Suitability Climate categry II as per IEC 60051 (climatic class 3 accrding t VDE/VDI 3540) Operating Temperature 0 C... + 40 C Strage temperature Relative humidity Shck resistance - 20 C...+55 C 25% t 80% nminal range f use 15 g. fr pulse duratin 11ms Vibratin resistance ANSI C39.1 cl. 5. 13 Standard Measuring Ranges DC mving cil Ammeters (PQ) Safety Precautins 1) Instruments with damaged windw r glasses must be discnnected frm the mains. 2) Adequate safety clearance must be maintained t cntrl panel fasteners and t sheet metal husing. If nn - insulated cnnectr wires are used. 3) Instruments t be used in grunded panel. 50 ma t 50 A DC mving cil Vltmeters (PQ) 50 mv t 600 V AC mving cil Ammeters (VQ) AC mving cil Vltmeters (VQ) AC mving irn Ammeters (EQ) AC mving cil Vltmeters (EQ) Frequency Meters Elapsed Time Meters (ETM) 1 ma t 100 ma 6 V t 600 V 100 ma t 30 A 6 V t 600 V 45-50-55Hz, 55-60-65Hz, 45-55-65Hz, 360-440 Hz 110/130 V, 60 Hz Blank dial Special markings Divisin dials Clr markings/bands Over range (Mving Irn Ammter) Dial With initial and end values marked Numbering/Lettering Basic divisins withut numbering Red r green Tw, three and ve times ver range Page 3 f 7
Smart Lk Series Alpha Meter 70 Specificatins A.C. AMMETERS - TRUE RMS READING (EQ) 5A 10A 15A 20A 30A 60A 1A 5A Scale 0-5A 0-10A 0-15A 0-20A 0-30A 0-60A Transfrmer Rated Transfrmer Rated A.C. VOLTMETERS - TRUE RMS READING (EQ) 150V 300V 600V 750V 0-1 ma 0-5 ma 0-10 ma 0-20 ma 0-50 ma 0-100 ma 0-200 ma 0-500 ma 0-600 ma 0-1A 0-2A 0-4A 0-5A 0-6A 0-10A 0-20A 0-30A D.C. AMMETERS (PQ) 0-150V 0-300V 0-600V Transfrmer Rated 0-5 ma 0-10 ma 0-20 ma 0-50 ma 0-100 ma 0-200 ma 0-500 ma 0-600 ma 0-1A 0-2A 0-4A 0-5A 0-6A 0-10A 0-20A 0-30A MILLIAMMETERS - SUPRESSED ZERO (PQ) 4-20 ma Scale Scale Scale 0-50 mv 0-100 mv 0-15 V 0-30 V 0-50 V 0-150 V 0-300 V 0-600 V D.C. Vltmeters (PQ) FREQUENCY METERS, 120V (Self Cntained) 50 Hz 55 Hz 60 Hz 400 Hz 110/130 V, 50 Hz 200/250 V, 50 Hz 480 V, 50 Hz 110/130 V, 60 Hz 200/250 V, 60 Hz 480 V, 60 Hz Scale 0-15 V 0-30 V 0-50 V 0-150 V 0-300 V 0-600 V Scale 45-55 Hz 45-65 Hz 55-65 Hz 360-440 Hz ELAPSED TIME METERS (99999.99 HOURS) (ETM) 1 ma 1.5 ma 10 ma 15 ma 20 ma 40 ma 60 ma 100 ma AC Mving Cil Ammeter (VQ) AC Mving Cil Vltmeter (VQ) Scale 0-1.5 ma 0-10 ma 0-15 ma 0-20 ma 0-40 ma 0-60 ma 0-100 ma Scale 100 V 150 V 250 V 400 V 500 V 600 V 0-100 V 0-150 V 0-250 V 0-400 V 0-500 V 0-600 V Page 4 f 7
Smart Lk Series Alpha Meter 70 Electrical Cnnectins DC Amps - Self Cntained DC Amps - Fr use with external shunt DC Vlts AC Amps - Self Cntained AC Amps - Fr use with Current Transfrmer AC Vlts Frequency Meter Elapsed Time Meter Page 5 f 7
Smart Lk Series Meter Applicatin Dimensins 10-32 UNF 4-40 UNC PANEL CUT-OUT :- Specify the N. f fixing studs while rdering 3.60 0.14 J Q Q J K L J N P Q Q M M Q Q STUD POSITION FOR TWO FIXING STUDS STUD POSITION FOR THREE FIXING STUDS STUD POSITION FOR FOUR FIXING STUDS 2 ½ mm Inch 3 ½ mm Inch A B C D E F G H J K L M N P Q 68.6 68.6 11.6 14.6 32.0 25.4 10.4 13.72 55 31 46.5 26.9 23.9 47.8 23.9 2.70 2.70 0.46 0.58 1.26 1.00 0.41 0.54 2.16 1.22 1.83 1.06 0.94 1.88 0.94 88.9 88.9 11.6 14.6 35.7 25.4 10.4 13.72 69 40.2 60.3 34.8 28.5 57.0 28.5 3.5 3.5 0.46 0.58 1.4 1.00 0.41 0.54 2.71 1.58 2.37 1.37 1.12 2.24 1.12 Page 6 f 7
Smart Lk Series Meter Fr mre details and prduct cdes, please cntact ur lcal f ce Authrized Distributr: WESCHLER INSTRUMENTS phne: 800-903-9870 440-378-6580 fax: 800-903-9590 440-238-0660 www.weschler.cm inf@weschler.cm Sifam Tinsley Instrumentatin Inc. 3105, Creekside Village Drive, Suite N. 801, Kennesaw, Gergia 30144 (USA) E-mail Id : psk@sifamtinsley.cm Web : Cntact N. : +1 404 736 4903 Sifam Tinsley Instrumentatin Ltd Unit 1 Warner Drive, Springwd Industrial Estate Braintree, Essex, UK, CM72YW E-mail: sales@sifamtinsley.cm Web: /uk Cntact: +44(0)1803615139 Page 7 f 7