Model 344 ordering information, Model 344 accessories probes – Trek 344 DC Stable Electrostatic Voltmeter User Manual
Page 2
Model 10/40A Specifications
Model 344 Specifications
Model 344 Ordering Information
Copyright ã 2011 TREK, INC.
All specifications are subject to change.
1226/DEC
Performance
Features
Features (cont.)
Mechanical
General
Certification
Measurement Range
Zero Control
Voltage Display
0 to ±2 kV DC or peak AC.
A ten-turn control to null offsets that may
3½ digit LED display.
be present at the voltage monitor output
Range
Accuracy
when the 344 is measuring zero volts.
0 to ±999 V.
Voltage Monitor
Resolution
Better than ±0.05% of full scale.
Response Control
1 V.
Voltage Display
A ten-position push-button switch that
Zero Offset
Better than ±0.1% of full scale,
±1 count.
adjusts the gain of the 344 to optimize the
referred to the voltage monitor.
AC response. The response control is
normally adjusted when changing the type
Speed of Response (10% to 90%)
of probe being used or when changing the
Less than 3 ms for a 1 kV step change.
probe-to-surface separation.
Dimensions
64 mm H x 220 mm W x 270 mm D
Stability
Voltage Monitor Output
(2.5" H x 8.7" W x 10.6" D).
Drift with Time
A buffered BNC output providing a low-
Weight
Less than 100 ppm/hour,
voltage replica of the measure voltage.
2 kg (4.4 lb).
noncumulative.
Scale
Voltage Monitor Output Connector
Drift with Temperature
1/100th of the measured voltage.
BNC connector.
Less than 100 ppm/°C.
(1/200th and 1/1000th ratios
Ground Receptacle
are available.)
Banana jack.
Output Noise
AC Line Cord Receptacle
Less than 2 mV rms (measured with
Standard three-prong line cord receptacle.
the true rms feature of the Hewlett
Line Supply
Packard Model 34401A digital
100, 115, or 230 V AC ±10%, 50-60 Hz
multimeter).
(specify when ordering).
Output Impedance
Less than 0.1 W.
TREK, INC. certifies that each Model 344 is
Operating Conditions
tested and calibrated to specifications using
Temperature
Probe-to-Surface Separation
measurement equipment traceable to the
0 °C to 40 °C.
2 mm ± 1 mm
(recommended).
National Institute of Standards and
Relative Humidity
Technology. A Certificate of Calibration
To 90%, noncondensing.
accompanies each instrument when it is
shipped from the factory.
All specifications are with a 6000B-8 probe at a probe-to-surface separation of 2 mm.
Model 344
Accessories
Probes
Item
Part No.
Item
Part No.
Standard Resolution
Model 6000B-7C (end-viewing, round body) . . . . . . . . . . . . . . . 17053
±2 kV Electrostatic Voltmeter (100 V AC) . . . . . . . . . . . . . . . . . . . 344-F
Model 6000B-8 (side-viewing, round body) . . . . . . . . . . . . . . . . 17054
±2 kV Electrostatic Voltmeter (115 V AC) . . . . . . . . . . . . . . . . . . 344-G
Model 6000B-15C (end-viewing, square body) . . . . . . . . . . . . . 17046
±2 kV Electrostatic Voltmeter (230 V AC) . . . . . . . . . . . . . . . . . . 344-K
Model 6000B-16 (side-viewing, square body) . . . . . . . . . . . . . . 17047
1/100th voltage monitor ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
High Resolution
1/100th voltage monitor ratio with rear panel probe connector 344-1
Model 6000B-5C (end-viewing, round body) . . . . . . . . . . . . . . . 17051
1/1000th voltage monitor option . . . . . . . . . . . . . . . . . . . . . . . . 344-6
Model 6000B-6 (side-viewing, round body) . . . . . . . . . . . . . . . . 17052
1/200th voltage monitor option . . . . . . . . . . . . . . . . . . . . . . . . . 344-9
Model 6000B-13C (end-viewing, square body) . . . . . . . . . . . . . 17044
Model 6000B-14 (side-viewing, square body). . . . . . . . . . . . . . 17045
Miniature
Item
Part No.
Model 555P-4 (end-viewing, square body) . . . . . . . . . . . . . . . . 17205
Supplied
Model 555P-1 (side-viewing, square body) . . . . . . . . . . . . . . . . 17184
Operator's Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23012
High Temperature (up to 100 C)
Line Cord (100 V AC and 115 V AC) . . . . . . . . . . . . . . . . . . . . . . N5002
Model 6300-7 (end-viewing, square body) . . . . . . . . . . . . . . . . 17287
Optional 611RA 19-inch Rack Adapter (2 instrument capacity)C5006
Model 6300-8 (side-viewing, square body) . . . . . . . . . . . . . . . . 17288
6003B Probe Line Driver (required when a very long probe
extension cable is used) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17126
6004B-EC Probe Extension Cable (from 344 to line driver) . . . 17102
6005B-EC Probe Extension Cable (from 344 to probe). . . . . . . 17127
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TREK, INC. • 190 Walnut Street • Lockport, NY 14094 • USA • 800-FOR TREK
(fax) • www.trekinc.com • [email protected]
716-438-7555 • 716-201-1804