Fluke 52120A Transconductance Amplifier

  • Supply DC current up to 100 amps and AC current up to 120 amps, with accuracies to 140 ppm.
  • Generate 3,000 or 6,000 amps using accessory coils, up to 360 amps with three 52120As are connected in parallel.
  • Frequency: DC to 10 kHz, a burden voltage (compliance): 4.5 V @ 120 A, inductive drive capability: 1 mH load.
  • Allows for parallel operation with 2 or 3 amplifiers up to 360 A in a single phase, or up to 10 amplifiers and 1200 A in standalone mode.
  • GPIB remote operation

Description

The Fluke 52120A Transconductance Amplifier is a high-precision instrument designed for a variety of electrical calibration applications. Here’s a more in-depth overview:

Core Functionality:

  • High-Current Source: It’s primarily a source of high-accuracy AC and DC currents.
  • DC Current: Up to 100 Amps
  • AC Current: Up to 120 Amps
  • Transconductance Amplifier: This core technology allows for precise control and measurement of current flow.
  • Inductive Drive Capability: It can drive inductive loads up to 1 mH, making it suitable for calibrating devices with significant inductance.

Key Features & Benefits:

  • Exceptional Accuracy:
  • Closed-Loop Operation (with Fluke 6105A): Achieves accuracies as low as 140 ppm for AC measurements, significantly enhancing the precision of your calibrations.
  • Standalone Operation: Provides good accuracy for many applications.
  • Versatility:
  • Multiple Output Ranges: Offers various current output ranges to accommodate different measurement needs.
  • Flexible Configurations: Can be used independently or integrated into larger calibration systems.
  • High Isolation: Ensures safety and minimizes the risk of ground loops.
  • Robust Construction: Built to withstand demanding laboratory environments.

Applications:

  • Power Meter Calibration: A cornerstone for calibrating various types of power meters, including those used in utilities, industrial settings, and research.
  • Energy Meter Calibration: Essential for accurately calibrating devices that measure energy consumption.
    Current Transducer Calibration: Used to verify the accuracy of current transducers employed in a wide range of electrical systems.
  • Power Quality Analysis: Employed in systems that analyze power quality parameters, such as harmonics and voltage fluctuations.
  • Research and Development: Utilized in research laboratories for various electrical and electronic measurement tasks.

The Fluke 52120A is a high-performance instrument that plays a critical role in ensuring the accuracy of electrical measurements. Its combination of high current output, precise control, and exceptional accuracy makes it an indispensable tool for calibration laboratories, power utilities, and research institutions.

Additional information

Brand

Fluke Calibration

Specifications: 52120A Transconductance Amplifier

Operating limits
Output ranges 2 A, 20 A, 120 A (100 A dc)
Input current range 200 mA, 200 mA, 120 mA (100 mA dc)
Current gain 10, 100, 1000
Input voltage range 2 V, 2 V, 1.2 V (1.0 V dc)
Transconductance 1,10,100 Siemens
Frequency To 10 kHz
Maximum output compliance voltage 4.5 Vrms (6.4 Vpeak)
Inductive drive capability: 1 mH load
Output isolation, current terminal to earth 600 Vrms, 850 Vpeak, dc to 850 Hz
Performance specifications
AC accuracy, closed loop with 6105A To 140 ppm
DC accuracy, standalone To 160 ppm
AC accuracy, standalone To 350 ppm
Phase angle accuracy 0.006°
Load dependent phase angle shift <0.001° @ 60 Hz
General specifications
Input line voltage range 100 V to 240 V with up to ±10 % fluctuations
Transient overvoltage Impulse withstand (overvoltage); Category II of IEC 60364-4-443
Frequency 47 Hz to 63 Hz
Maximum consumption < 1500 VA
Calibration Documentation Report of calibration with data included; 17025 accredited report optional
Dimensions with feet (H x W x L) 192 mm x 432 mm x 645 mm  (7.6 inches x 17 inches x 25.5 inches)
Dimensions without feet (H x W x L) 178 mm x 432 mm x 645 mm  (7 inches x 17 inches x 25.5 inches)
Weight 25 kg (54 lb.)
Design standards and compliance Designed to EN 61010-1: 2010, CAN/CSA 22.2 No 61010.1-04, ANSI/UL 61010-1:2004, EN 61326-1:2006 CE marked, CSA listed
Operating temperature 5 °C to 35 °C
Calibration temperature range 16 °C to 30 °C
Warm up time 1 hour
Safe operating max. relative humidity (non-condensing) <80 % 5 °C to 31 °C ramping linearly down to 50  % at 35 °C
Operating altitude 0 m to 2,500 m
Shock and vibration MIL-PRF-28800F class 3
Specification confidence level 99%

 

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