Friday, November 10, 2017

Programmable AC Electronic Loads - NH Research

4600 Series AC Electronic Loads are intended for applications that require the entire range of non-linear loading in order to thoroughly test AC-output power conversion devices.

To cover a wide range of UPS and inverter power levels, the 4600 Series AC electronic loads can be paralleled up to 62 instruments.

Programmable AC Electronic Loads - NH Research

The 4600 Series Programmable AC Electronic Loads are useful for testing the following applications & products: AC Sources, Circuit Breakers, Connectors, Fuses, Inverters, Switches, Uninterruptible Power Supplies (UPS).

Programmable AC Electronic Loads - NH Research

Features Include
  • 3 kW / 30 A modules expandable to 180 kW
  • Power and crest-factor programmability
  • 12 built-in, high-accuracy measurements
  • Voltage 50 to 350 V
  • Current 30 A per 3 kW module
  • Frequency 45 to 440 Hz
From - NH Research - NHR

NH Research, Inc.
16601 Hale Avenue, Irvine, California 92606, USA.

Thursday, November 9, 2017

3504 Hybrid Temperature Controller - Eurotherm

Temperature and process controller from Eurotherm. - Features a 4 line alpha-numeric message centre to indicate process parameters and operator information, customisable messages and horizontal bar graphs.

Dual Loop, High stability, precision and functionality, Message center LCD HMI Display, Standard & Custom Screen formats, PID, Valve Position & On/Off control.

3504 Hybrid Temperature Controller - Eurotherm

3504 Hybrid Temperature Controller - Eurotherm

Some Features
  • Large 5 Digit display for the Process Value
  • 51 Point bargraph
  • 4 lines of customisable Alpha Numeric data
  • 8 User pages / 64 Variable Capacity
  • Various display styles inc Hort Bargraphs
From - Eurotherm

Thursday, November 2, 2017

P32 - Process Signal Calibrator - Palmer Wahl

Designed to simplify maintenance operations and commissioning of sensors and transmitters using process signals such as 4-20 mA or 0-10V.


P32 - Process Signal Calibrator - Palmer Wahl

The Wahl P32 has been designed with increased performance in order to meet the demands of today’s higher accuracy transmitters and process sensors. Accuracy of 0.015% of reading allows the P32 to be used as a standard for on site operations

Palmer Wahl  P32 Calibrator

Features/Specs Include -
  • High precision: 150 ppm of reading
  • Temperature Coefficient - 15 ppm rdg/°C for voltage
  • Temperature Coefficient - 20 ppm rdg/°C for current
  • Measurement up to 50V.
  • Simulation up to 15V.
  • Measurement and emission up to 25mA.

Wednesday, October 11, 2017

ROV Metal Oxide Varistors Raychem Tyco

The ROV device's high current-handling and energy absorption capability, fast response, and low cost can make it suitable for use in line voltage applications.

ROV Metal Oxide Varistors Raychem Tyco

"ROV metal oxide varistors help protect power systems from damage caused by transient overvoltage faults such as lightning, power contact, and power induction. Suitable for a broad range of applications, ROV devices help protect sensitive electronic equipment from potential power surge damage by clamping high-energy, short-duration impluses."

ROV Metal Oxide Varistors Raychem Tyco

"An ROV device is a varistor fabricated using a Zinc Oxide (ZnO) powder, sintered with other metal oxide ceramics. The resulting structure is a polycrystalline ceramic that consists of distributed ZnO grains, separated by other metal oxide ceramics."

Raychem Circuit Protection Products

"A varistor is a variable resistor-a voltage dependent, non-linear device whose resistance decreases as the voltage applied across the device increases. "

ROVs can also be used to help protect electrical equipment from damage caused by large voltage or power transients on the AC Mains inputs. In a coordinated circuit protection scheme the ROV can be paired with a PolySwitch overcurrent protection device to help improve equipment reliability and fulfill IEC-61000 test requirements.