Tachometer Catalog - Davidson Sales Co.

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TACHPAK Enclosure OptionsT77510-70 / T77530-70AI-Tek Instruments, Cheshire, CT USAEXPLOSION PROOFUL/CSA for hazardous locationsClass I, Groups B, C & D;Class II, Groups E, F & GalsoClass I, Zone 1, Groups IIB, H2, IIAATEX0102 Ex II 2 G EEx d IICFor use in Zone 1,Group IIC, Category 2 G,IP66 hazardous locations7
Specifications:ElectricalAll measurements taken at 25°C unlessotherwise specified.Input PowerPower consumption3.5 watts, typical for tachometer onlyAdd 0.5 watts per remote displayAdd 2.0 watts for 12V out9.5 watts max.DC Voltage12-30 volts. Reverse polarity protected. Available onterminal blocks and din rail in parallel (TACHPAK only).AC Voltage80-264 Vac 50-60 HzPower SharingIf DC input and AC input are both supplied, DC will beloaded above approximately 15 volts. Below 15Vdcinput, AC will be loaded.Output PowerRegulated to 12 volts @ 150mA when input voltage is13.6 volts and above. Below 13.6 volts, output voltage≈ input voltage –1.5V.Input Signal CharacteristicsChannel A & BFrequencyUpper Limit: 50 kHz absolute maximum(20µsec period); 40kHz typicalLower Limit: 0.005 Hz absolute minimum(200 sec. period); .05 Hz typicalMinimum Pulse Width: 0.5 µsec.Wave shape: Square or SinusoidalInput Impedance12 kΩ typicalInput SensitivityUpper and Lower Limit: +/-30 volts max. (AC or DC).Logic 0 and Logic 1 thresholds are user adjustablefrom 200mV to +28 volts in approx. 20mV steps +/-3%.200mV peak absolute min. imput sensitivity.Common Mode Rejection Ratio>40 db @1kHz typicalElectrical IsolationChannel A, B and Direction share common groundChannel A, B or Direction to output: 500 VrmsChannel A, B or Direction to ground: 500 VrmsVerify and ResetFrequencyEssentially DC, Minimum Pulse Width: 250 µsec.Input Impedance10mA current regulatedInput Sensitivity3.5 volts min. pulse to groundCommon Mode Rejection Ratio>40 db @ DC typicalElectrical IsolationSignal to signal 500 VrmsSignal to ground 500 VrmsDirectionFrequencyEssentially DCMinimum Pulse Width: 0.5 µsec.Input Impedance12 kΩ typicalInput SensitivityUpper and Lower Limit: +/-30 volts max. (AC or DC).Logic 0 and Logic 1 thresholds are user adjustablefrom 0 to 28 volts in approx. 20mV steps +/-3%.Common Mode Rejection Ratio>40 db @1kHz typicalElectrical IsolationChannel A, B and Direction share common groundDirection to output: 500 VrmsDirection to ground: 500 VrmsOutput CharacteristicsRelays (Mechanical)PhysicalForm CContact Rating10A @125/250 Vac, 6A @ 277 Vac, 5A @ 100V dc,2500 VAResponse Time (operate and release)Input to output 16.5 msec max.(10 msec relay only)Electrical Isolation1500 Vrms, 1 minute coil to contactsSwitchpoint AccuracyInternal instrument accuracy to alarmsetpoint: ±.005%AI-Tek Instruments, Cheshire, CT USA8
Page 2 and 3: Table of ContentsTachometers. . .In
Page 4 and 5: TACHPAK ® 10 & 30Digital ProcessTa
Page 6 and 7: TerminalBlockRemoteDisplayUSBRS485D
Page 10 and 11: AI-Tek Instruments, Cheshire, CT US
Page 12 and 13: Programming FeaturesProgramming has
Page 14 and 15: TerminalBlockRemoteDisplayUSBRS485D
Page 16 and 17: TACHTROL Enclosure OptionsT77610-70
Page 20 and 21: PANEL MOUNT STANDARD ENCLOSUREAI-Te
Page 22 and 23: TACHTROL plus Enclosure OptionsT778
Page 24 and 25: NEW GENERATION TACHOMETER ACCESSORI
Page 26 and 27: STACKTACHSingle InputIndustrial Tac

Tachometer Catalog - Davidson Sales Co.

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