344 ADVANCEDENERGY | Alldatasheet
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Technical content
©2023 Advanced Energy Industries, Inc. The Trek® 344 employs a field-nulling technique for non-contacting voltage measurement that achieves DC stability and high accuracy even if the probe-to-surface spacing changes. This permits measurements of either stationary or moving surfaces without the need to establish fixed spacing to maintain accuracy. The Trek 344 patented probe design eliminates the need for close tolerance components. This significantly improves noise and drift performance, both in the presence of contaminating particulates and under conditions of high humidity and wide temperature ranges. A precision voltage monitor provides a low-voltage replica of the measured electrostatic potential for monitoring purposes, or for use as a feedback signal in a closed-loop system. PRODUCT HIGHLIGHTS Superb noise and drift performance Variety of probes available for different installation requirements Precision voltage monitor output Easy-to-read LED display Operated on a bench top or with optional hardware, a standard 19 in rack. The rack adapter allows two Trek 344 units to mount together Digital enable feature provides a connection for a remote device to turn on and off the high voltage of the instrument. This makes the 344 suitable for automated or computer-controlled systems NIST-traceable Certificate of Calibration provided with each unit Measurement Range 0 to ± 2 kVDC or peak AC Measurement Accuracy Better than ±0.05% of full scale Speed of Response Less than 3 ms for a 1 kV step AT A GLANCE TREK 344 Precision electrostatic voltmeter for non-contacting surface voltage measurements in the range of 0 to ±2 kV DC or peak AC.
2 advancedenergy.com TREK ELECTROSTATIC VOLTMETER 344 TECHNICAL DATA Performance Specifications Measurement Range 0 to ±2 kVDC or peak AC Accuracy Voltage Monitor: Better than ±0.05% of full scale. Voltage Display: Better than ±0.1% of full scale, referred to the voltage monitor. Speed of Response Less than 3 ms for a 1 kV step change (10 to 90%) Stability Drift with Time: Less than 100 ppm/hour, noncumulative Drift with Temperature: Less than 100 ppm/˚C Voltage Monitor Output A buffered output provides a low-voltage replica of the measured voltage Scale 1/100th of the measured voltage Output Noise Less than 2 mV rms (measured with the true rms feature of the Hewelett Packard Model 34401A digital multimeter) Output Impedance Less than 0.1 W Voltage Display Voltage Display 3 ½ digit LED display Range 0 to ±1999 V Resolution 1 V Zero Offset ±1 count Mechanical Specifications Dimensions (H x W x D) 64 x 220 x 270 mm (2.5 x 8.7 x 10.6 in) Weight 2 kg (4.4 lb) Voltage Monitor Output Connector BNC connector Ground Receptacle Banana jack AC Line Cord Receptacle Standard three-prong line cord receptacle Operation Conditions Temperature 0 to 40°C (32 to 104°F) Relative Humidity To 90%, noncondensing Altitude To 2000 m (6561.68 ft) Electrical Specifications Line Supply 100, 115, or 230 VAC ±10%, 50 to 60 Hz multimeter) (specify when ordering).
Features
Zero Control A ten-turn control to null offsets that may be present at the voltage monitor output when the 344 is measuring zero volts. Response Control A ten-position push-button switch that adjusts the gain of the Trek 344 to optimize the AC response. The response control is normally adjusted when changing the type of probe being used or when changing the probe- to-surface separation. Probe-to-Surface Separation 2 mm ± 1 mm (recommended) 1All specifications are with a Trek 6000B-8 probe at a probe-to-surface separation of 2 mm.
advancedenergy.com 3 TREK ELECTROSTATIC VOLTMETER 344 Trek 344 Electrostatic Voltmeter 344-F Trek 344 ±2 kV Electrostatic Voltmeter (100 VAC) 344-G Trek 344 ±2 kV Electrostatic Voltmeter (115 VAC) 344-K Trek 344 ±2 kV Electrostatic Voltmeter (230 VAC)
344 Trek 344 1/100th voltage monitor ratio
344-1 Trek 344 1/100th voltage monitor ratio with rear panel probe connector 344-6 Trek 344 1/1000th voltage monitor option 344-9 Trek 344 1/200th voltage monitor option Included Accessories
23012 Operator's Manual
N5002 Line Cord, for 100 to 115 VAC Optional Accessories C5006 Optional 611RA 19 in Rack Adapter (2 instrument capacity) 17102 6004B-EC Probe Extension Cable (from 344 to line driver) 17127 6005B-EC Probe Extension Cable (from 344 to probe) Probes Standard Resolution
17053 Trek 6000B-7C (end-viewing, round body)
17054 Trek 6000B-8 (side-viewing, round body).
17046 Trek 6000B-15C (end-viewing, square body)
17047 Trek 6000B-16 (side-viewing, square body)
17051 Trek 6000B-5C (end-viewing, round body)
17052 Trek 6000B-6 (side-viewing, round body).
17044 Trek 6000B-13C (end-viewing, square body)
17045 Trek 6000B-14 (side-viewing, square body)
17205 Trek 555P-4 (end-viewing, square body)
17184 Trek 555P-1 (side-viewing, square body). High Temperature (up to 100°C)
17287 Trek 6300-7 (end-viewing, square body)
17288 Trek 6300-8 (side-viewing, square body). REFERENCE NUMBERS
Advanced Energy (AE) has devoted more than three decades to perfecting power for its global customers. AE designs and manufactures highly engineered, precision power conversion, measurement and control solutions for mission-critical applications and processes. AE’s power solutions enable customer innovation in complex semiconductor and industrial thin film plasma manufacturing processes, demanding high and low voltage applications, and temperature-critical thermal processes. With deep applications know-how and responsive service and support across the globe, AE builds collaborative partnerships to meet rapid technological developments, propel growth for its customers and power the future of technology. Specifications are subject to change without notice. Not responsible for errors or omissions. ©2023 Advanced Energy Industries, Inc. All rights reserved. Advanced Energy®, Trek®, and AE® are U.S. trademarks of Advanced Energy Industries, Inc. TRUST For international contact information, visit advancedenergy .com. powersales@aei.com (Sales Support) productsupport.ep@aei.com (Technical Support) +1 888 412 7832 ENG-ESVM-Trek-344-235-03 02. 16.2023