Metering, Integration, Analytics
Metering, Integration, Analytics
Energy & Water Metering Products
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Meter Selection Help >> Pulse Counter Help >>

Integration Support for Meters with Pulsed Outputs

Electric Meters, Natural Gas Meters, Water Meters

Electric Meter - Pulsed Outputs and Pulse Counting

Background / definitions (to help interpret)

  • A KYZ pulse output is classically a 3-wire “dry contact” switch: K (common), Y, Z. The output alternates between K–Y and K–Z as energy is consumed. The pulse factor or K-Factor is scaled based on the meter manufacturer. 

  •  KYZ pulsing is the most common electrical output option from utility meters and utility grade panel meters from a wide range of primary gear utility grade meters. 

  • Some meters advertise Form A (2-wire) or Form C (3-wire) type pulse outputs. 

  • Many modern meters use solid-state or electronic switching instead of mechanical relays for KYZ outputs to reduce wear. 

  • Some multifunction meters also include relay outputs (e.g. for alarms, load control) in addition to pulse outputs.


Some of the most common panel meters that provides pulsed output (KYZ Pulse & Relay outputs) are shown below. This list is only a list of the most common meters that have pulsed output capabilities. 


When the electric meter is capable of providing consumption pulses, Emergent Metering can provide the needed hardware to count the output pulses, accumulate them over time and trend this data in our cloud dashboard. 

#ManufacturerRepresentative ModelsOutput TypeDatasheet / Reference
1Electro Industries / EIG (NY)Shark 200, Shark 270, Shark 250, Nexus 1450KYZ pulse & relay outputsEIG Shark 200 Datasheet
2GE Vernova / GE Grid Solutions (CT)EPM 5300, EPM 5350, kV2c, I-210+KYZ pulse, Form C relayGE EPM 5300 Datasheet
3Schneider Electric / Square D (TX)PowerLogic PM8000, PM5000, iEM3xxxDigital output / KYZ modeSchneider PM8000 Datasheet
4Eaton (PA)PXM350, IQ 35M, IQ 250Pulse / relay outputsEaton PXM350 TD150024EN
5Accuenergy (CA/US)Acuvim II, AcuRev 2100Relay & pulse modulesAccuenergy Acuvim II Datasheet
6Veris Industries / Schneider (OR)E50C2, E31A2, H353Pulse output / ModbusVeris E50 Spec Sheet
7Honeywell E-Mon (MN)Class 2000 3-Phase PulsePulse output (Form A)E-Mon Class 2000 Product Page
8Siemens (GA)SENTRON PAC3200, PAC4200Pulse output / digital DOSiemens SENTRON PAC Datasheet
9SATEC (NJ)EM133, PM130-PRORelay / pulse configurableSATEC PM130 Datasheet
10Continental Control Systems (CO)WattNode WNB-3Y-208-P, WNB-3Y-480-PPulse output (KYZ wires)WattNode Pulse Datasheet
11Dent Instruments (OR)PowerScout 24, PowerScout 48HDPulse output / relayDent PowerScout 48HD Datasheet
12Selco / SEL (WA)SEL-735, SEL-710KYZ pulse / relay optionsSEL-735 Meter Datasheet
13ABB / GE Industrial Solutions (NC)RGM6000, B24KYZ pulse / solid-state relayABB RGM6000 Datasheet
14Landis+Gyr (TX)FOCUS AL, FOCUS AX, E650 S4eKYZ board optionLandis+Gyr FOCUS Datasheet
15Obvius / Leviton (OR/NY)AcquiSuite A8810 + ModHopperPulse input support (relay outputs optional)Leviton AcquiSuite Spec Sheet
16AEMC Instruments (MA)PowerPad 8336, DataView metersPulse input/output via modulesAEMC PowerPad 8336 Datasheet
17Continental Automation Systems (IL)CAS E-300, E-400KYZ pulse outputCAS E-400 Datasheet
18Magnelab (CO)UCT-1250, DCT-001 metersPulse output optionsMagnelab Product Page
19Dent / Obvius integrationPowerScout 12HD, A8812 gatewayPulse out / in integrationDent PowerScout 12HD Datasheet
20E-Mon / Honeywell (PA)Class 1000, Class 3200Pulse output (Form A/B/C)E-Mon Class 1000 Datasheet

Natural Gas Meter - Pulsed Outputs and Pulse Counting

Background / definitions (to help interpret)




#ManufacturerRepresentative ModelsOutput Type / NotesDatasheet / Product Link
1Honeywell (Elster / American Meter)AC-250, RABO, TRZ2, SM-RI-XDiaphragm & turbine with optional RVP pulser (Form A/B)AC-250 Datasheet
2Dresser NGS (ROOTS)B3, B3 Series Rotary, LF/HF TransmittersStandard LF/HF reed & Wiegand pulse outputsROOTS Series B Brochure
3ItronMETRIS 250, A-400, I-250Diaphragm meters with encoder & pulse modulesMETRIS 250 Datasheet
4Sensus (Xylem)Sonix 2000, Sonix 3000Ultrasonic meters with Form A pulse outputsSonix Datasheet
5RometRM6000, RM7000, RM11000 (AdEM electronics)Rotary meters with multiple pulse outputsRomet AdEM Datasheet
6Pietro FiorentiniIM-RM, RMG Turbine MetersLF/HF pulse output via Wiegand sensorsIM-RM Datasheet
7Emerson (Daniel / Rosemount)Daniel SeniorSonic 3414, Rosemount 3418Ultrasonic flow meters with configurable I/O pulse outputDaniel 3414 Datasheet
8Sage MeteringSage 200, Sage 300, Sage PrimeThermal mass flow meters with isolated pulse outputsSage 300 Datasheet
9Sierra InstrumentsQuadraTherm 640i, 780iThermal mass flow meters with programmable pulse output640i Datasheet
10Fox ThermalFT2A, FT4AGas mass flow meters with isolated open-collector pulseFT2A Datasheet
11Honeywell (Quantometer)Q75, Q100, Q150Turbine quantometers with LF reed pulse standardQuantometer Q-Series Datasheet
12Dresser (ROOTS Accessories)LF/HF Pulse TransmittersAccessories providing 1- or 2-channel pulse outputsROOTS LF/HF Transmitters
13Itron (Commercial A-Series)A400, A800, A1000Large diaphragm meters w/ pulse encoder modulesA-Series Datasheet
14Itron (Residential METRIS RM)METRIS RM 175/250Pulse output or ERT encoder optionsMETRIS RM Datasheet
15Dresser ROOTS (Series B IOM)Series B3Rotary meter with integrated pulse outputsSeries B3 IOM
16Honeywell (RVP Pulser Kit)RVP Flat/VerticalConverts mechanical index to reed pulseRVP Kit Datasheet
17Romet (RM11000)RM11000, AdEM 1000Rotary gas meter with high-frequency pulse outputRM11000 Datasheet
18Sensus (Commercial / Industrial)Sonix IQ, Sonix 8800Ultrasonic meters with dual pulse outputSonix IQ Datasheet
19Dresser ROOTS (Commercial)B4, B3SRotary meters with standard LF pulse outputsROOTS B-Series Datasheet
20Elster (American Meter GT Series)GT/GTS/GTXTurbine meters with electronic RVP pulseGTX Datasheet
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