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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Accuenergy-AcuDC 200

Accuenergy DC Power & Energy Meter


AcuDC 200 series DC power meter can be used for monitoring and controlling in DC systems. These meters can measure a wide range of parameters such as voltage, current, power and energy. There are digital inputs for switch monitoring and relay outputs for remote controlling as well as an over-range alarming feature for voltage and current. Large signals, such as current and voltage can be converted to smaller signals using AO output. All data in the meter is accessible via RS485 using open Modbus RTU protocol.

  • Solar and wind energy systems
  • Industrial control systems
  • DC energy management systems
  • Large UPS systems

Features ...

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Accuenergy 240 Series DC Power Meters


Accuenergy AcuDC 240 Series DC Power Meters

The AcuDC 240 series is the world’s only multifunction DC power and energy meters. It can be used for monitoring and controlling in DC systems. These meters can measure a wide range of parameters such as DC voltage, DC current, DC power and DC energy. Parameters are shown on the brilliant 3 line black backlight LCD display or via the RS485 serial communication port utilizing MODBUS RTU protocol. Optional digital inputs for switch monitoring; Analog outputs for signal conversion and relay outputs for remote controlling provide unparalleled functionality. The over-range alarming feature for voltage and current provides an additional level of protection for the DC ...

Acuvim II Power Meters

Acuvim II Power Meters - Accuenergy

  • Revenue Grade Metering
  • 5 Function Display
  • Power Quality Analysis
  • Over/Under Limit Alarm
  • Data-Logging (Acuvim IIR)
  • Web Server & Email Enabled
  • Remote Switch Control
  • Analog & Digital I/O Options
  • 92x92 DIN or 4" ANSI Round Mounting
  • CE Approved, C-UL Listed
The Acuvim II is a high-end multifunction power meter for monitoring and controlling power distribution systems. Plug-in modules expand the I/O capabilities. Alarms can be set for up to 16 parameters, selected from the 51 available. RS485 Modbus communication is standard, Ethernet is optional. The Acuvim IIR has 4M of onboard memory for datalogging in 3 assignable historical ...

Acuvim-L Power Meters

Acuvim-L Power Meters - Accuenergy

  • Multifunction TRMS Meter
  • 4 Quadrant Energy
  • Power Quality Analysis
  • Demand
  • Over/Under Limit Alarm
  • Wide Temperature Range
  • RS485 Modbus (except AL & BL models)
  • 92x92 DIN or 4" ANSI Round Mounting
  • CE Approved, C-UL Listed
Measured Parameters:
  • Voltage V1, V2, V3, V12, V23, V31
  • Current I1, I2, I3, In
  • Power P1, P2, P3, Psum
  • Reactive Power Q1, Q2, Q3, Qsum
  • Apparent Power Ssum
  • Frequency F
  • Power Factor PF1, PF2, PF3, PF
  • Energy Ep_imp, Ep_exp
  • Reactive Energy Eq_imp, Eq_exp
  • Demand Dmd_I1, Dmd_I2, Dmd_I3, Dmd_P, Dmd_qInput
  • Harmonics 2nd-15th & THD (V & I)
  • Unbalance (V ...

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Accuenergy DIN Power & Energy Meters


The Accuenergy AcuRev 1310 DIN Rail meter combines high performance with ease of integration to provide a cost-effective power and energy monitoring solution. Featuring a built-in LCD display designed to simplify setup and local reading of meter data. While the Modbus-RTU and pulse output communication allows seamless integration with data acquisition systems.
• Utility Revenue Grade Accuracy - IEC 62053-22 0.5s Class / ANSI C12.20 0.5 Class
• Multiple CT Input Options
• 4 Channel current input including neutral current measurement
• Residual current measurement available
• 10-690Vac direct voltage input, fits all voltage rating system with one model
• RS-485 port ...