541A ADVANCEDENERGY | Alldatasheet
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Technical content
©2021 Advanced Energy Industries, Inc. The Trek® 541A electrostatic voltmeter provides accurate non-contacting measurements of the electrostatic surface voltage associated with EOS/ESD processes. The instrument is configured with a miniature electrostatic field chopper probe that can be remotely located and easily positioned within process equipment to provide highly accurate, non-contacting, DC-stable, spacing-independent voltage measurements in either ionized or non-ionized environments. PRODUCT HIGHLIGHTS Chopper probe is DC-stable with or without incident air ion flow Drift-free measurements LCD screen displays present voltage, the positive peak voltage, the negative peak voltage and additional menu information. Visual and audible alarms activate when the preset voltage threshold levels are reached Voltage output monitor for remote monitoring or control USB and RS232 serial ports NIST-traceable Certificate of Calibration provided with each unit Optional walking test adapter kits available
APPLICATIONS
Semiconductor LCD Electronic assembly ESD-sensitive processes Measurement Range Trek 541A-1 ±1 kVDC or peak AC Trek 541A-2 ±100 VDC or peak AC Measurement Accuracy Better than ±1% of full scale over a probe-to-surface separation of 2.5 mm ± 1 mm Alphanumeric LCD Display 20 x 4 characters AT A GLANCE TREK 541A Electrostatic voltmeter for accurate non-contacting measurements of the electrostatic surface voltage associated with EOS/ESD processes.
2 advancedenergy.com TREK ELECTROSTATIC VOLTMETER 541A TECHNICAL DATA Performance Specifications Measurement Range Trek 541A-1 0 to ±1 kVDC or peak AC Trek 541A-2 0 to ±100 VDC or peak AC Speed of Response (10 to 90%) Trek 541A-1 Less than 50 ms for a ±1 kV step Trek 541A-2 Less than 50 ms for a ±100 V step Accuracy 1% of full scale Resolution 0.1% Monitor Output Trek 541A-1 1/100th of the measured voltage Trek 541A-2 1/10th of the measured voltage Output Noise Less than 30 mV rms Output Impedance 47 W Mechanical Specifications Dimensions (H x W x D) 97 x 152 x 204 mm (3.8 x 6 x 8 in) Weight 0.77 kg (1.7 lb) Electrical Specifications Power 15 VDC ±20%, 800 mA (minimum) adapter with a 2.1 mm DC plug. Power ON/OFF Rear panel switch Environmental Specifications Temperature 15 to 35°C (59 to 95°F) Relative Humidity 5 to 85% RH, noncondensing Altitude To 2000 m (6561.68 ft.)
Features
Alarms Activated if measured voltage exceeds preset threshold limits; positive/negative limits may be programmed separately Visual Front-panel LEDs illuminate when thresholds are reached Audible ON/OFF programmable pulsating or continuous tone. (+) and (-) alarms have different tone rates for the pulsating tone selection Alarm Relay Output Form C relay contact with barrier strip terminals; changes state when voltage thresholds are met or exceeded Alarm Digital Output TTL output with a TTL low (0 to 0.8 V) as the alarm “ON” status; TTL high (2.5 to 5.0 V) indicates a normal condition Reset Button Resets alarms and peak hold to zero Zero Control Adjustable to produce zero volts when probe coupled to a known zero voltage source Alphanumeric LCD Display 20 character by four line (20x4) LCD displays the present voltage and holds the most positive and most negative values Ground Receptacle Banana jack Serial Port and USB Port Provides control of specific functions and acquires sensor data utilizing Advanced Energy software and a PC connected to the RS232 serial port or the USB Type B port (connectors are on back panel) Current Output Provides a current of 4 mA to 20 mA Menu ↑↓ Buttons Select and program menu options - the ↑↓ set the alarm threshold voltages, alarm conditions and alarm reset type Measured using the true rms feature of the HP Model 34401A digital multimeter
advancedenergy.com 3 TREK ELECTROSTATIC VOLTMETER 541A Included Accessories
24005 Operator’s Manual (with software)
F5054R Universal AC Adapter N9056 6P/4C Plug BA108 Serial Cable N9044 Ground Cord Optional Accessories 1K037 Walking Test Adapter, Round Body Probe 1K038 Walking Test Adapter, Square Body Probe REFERENCE NUMBERS Probe Specifications Probe Miniature electrostatic field chopper probe Probe Cable Length 3 mn (9.8 ft) nominal Probe-to-Surface Separation Distance 2.5 mm ±1 mm (recommended) End-View Orientation (Round Body) Model 541PR-E Aperture 1.6 mm (0.06 in) D Dimensions 9.7 D x 50 mm (0.38 D x 2 in) Side-View Orientation (Round Body) Model 541PR-S Aperture 2.3 mm (0.09 in) D Dimensions 9.7 D x 53 mm (0.38 D x 2.1 in) Side-View Orientation (Square Body) Model 541P-S Aperture 2.5 mm (0.1 in) D Dimensions 5.6 D x 50 mm (0.22 D x 2 in) PROBES
For international contact information, visit advancedenergy .com. sales.support@aei.com +1.970.221.0108 ABOUT ADVANCED ENERGY Advanced Energy (AE) has devoted more than three decades to perfecting power for its global customers. We design and manufacture highly engineered, precision power conversion, measurement and control solutions for mission-critical applications and processes. Our products enable customer innovation in complex applications for a wide range of industries including semiconductor equipment, industrial, manufacturing, telecommunications, data center computing, and medical. With deep applications know-how and responsive service and support across the globe, we build collaborative partnerships to meet rapid technological developments, propel growth for our customers, and innovate the future of power. Specifications are subject to change without notice. Not responsible for errors or omissions. ©2021 Advanced Energy Industries, Inc. All rights reserved. Advanced Energy®, Trek®, and AE® are U.S. trademarks of Advanced Energy Industries, Inc. ENG-ESD-Trek-5 41A-235-02 3 . 21