Trek 156A Charged Plate Monitor - Manual (Page 2)

Model 10/40A Specifications
Model 156A Specifications
Model 156A and 156A/1 Ordering Information
Copyright © 2011 TREK, INC. All specifications are subject to change. 1123/DEC
Model 156A Included Accessories
Optional Accessories
Ion Collecting Plates
Item Part No.
Item Part No.
Charge Plate Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . Model 156A
Operator’s Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23126
Charge Plate Monitor with serial interface . . . . . . . . . Model 156A/1
PC Compatible Computer Software (156A/1 only) . . . . . . . . . . . 43267
Banana to Banana Stackable Cord (9 ft.) . . . . . . . . . . . . . . . . . . N9044
Battery Eliminator/Charger (115 V AC) . . . . . . . . . . . . . . . . . . . . L5111
Standard Plates (ordered separately)
Universal AC Adapter Kit (100 to 240 V AC) . . . . . . . . . . . . . . . . 1K010
15 cm x15 cm (6” x 6”) plate . . . . . . . . . . . . . . . . . . . . . . . . . . 17397
Ion Collecting Plate Tripod. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DK142
25 mm x 25 mm (1”x 1”) plate . . . . . . . . . . . . . . . . . . . . . . . . . 17375
Carrying Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43433
Special Plates (ordered separately)
Custom plate sizes are available by special order.
Computer Requirements: Windows 9X or later, NT4, PC compatible
computer, 486DX66 or better, 16 Mb of RAM, and high speed
serial port with 16550 or equivalent UART.
Performance Features (cont.) Features (cont.)
General
Features
Monitored Voltage Range Test/Reset Control (cont.) Ion Collecting Plate (standard option)
0 to ±1100 V DC or peak AC. +Decay and -Decay Modes Dimensions
Small Signal Bandwidth (-3 dB) Sets the plate voltage to a value greater 15 cm x 15 cm square, (6”x 6” square).
DC to 1 kHz (measured at 20 V p-p). than the programmed start voltage and Capacitance
Large Signal Bandwidth resets the decay timer to zero. 20 pF ±2 pF.
DC to 10 Hz (measured at 2000 V p-p). Float Mode (Other capacitance options available)
Zero Stability (referred to plate voltage) Sets the plate voltage to 0 V ±2 V.
Drift with Time (no incident ion flow) Voltage Monitor Output
Less than 6 V/minute. A BNC providing a low voltage replica of
Drift with Temperature the plate voltage.
Less than 10 mV/°C, noncumulative. Power Requirements Scale Factor
Battery Eliminator/Charger Decay Mode Thresholds 1/200th of the plate voltage.
Start Voltage (ordered separately) DC Accuracy
Unit and software programmable Specifications Better than 0.1% of full scale.
Output Connector from 1 to ±1000 V in 1 V increments. Offset Voltage
2.1 mm DC power plug. Start Accuracy Less than ±10 mV.
Output Voltage Unit and Software within ±1 V of Output Noise
12 to 14 V DC. programmed start voltage. Less than 10 mV rms (measured
Output Current Stop Voltage using the true rms feature of the
1 A. Unit and software programmable Hewlett Packard Model 34401A
Battery Operation from 0 to ±999 V in 1 V increments. digital multimeter).
Rechargeable battery, supplied. Stop Accuracy Output Impedance
Operating Time Unit and Software within ±1 V of Less than 0.1 W.
8 hours from a full charge (156A). programmed stop voltage. Plate Voltage Digital Panel Meter
Recharge Time Plate Self-Discharge (unpolarized)
3 ½ digit red LED display.
3 hours to full charge. Less than 12 V/minute. Range
Other
0 to ±1100 V.
Low battery indicator.
Resolution
Full charge indicator.
1 volt.
Operating Conditions
Accuracy
Mode Select
Temperature
Better than 0.1% of full scale ±1
A three-position toggle switch selects the
5 °C to 35 °C.
count.
+Decay, -Decay, or Float mode of Relative Humidity
Decay Time Digital Panel Meter
operation. This switch is also used in
To 80%, noncondensing.
4-digit red LED display.
combination with the Test/Reset Control Instrument Dimensions
Range
switch to program the START and STOP 83 mm H x 318 mm W x 280 mm D,
0 to 9999 seconds.
voltages. (3.25" H x 12.5" W x 11" D).
Resolution
Test/Reset Control Instrument Weight
0.1 seconds, from 0.1 to 999.9
A momentary toggle switch used in
Approx. 2 kg (4.4 lb).
seconds; 1 second, from 1000 to
conjunction with the Mode Select switch
9999 seconds. (The display will
The Model 156A and 156A/1 are to program the START and STOP voltages.
indicate “- - - -” when the decay time
CE Compliant
exceeds 9999 seconds.)
TREK, INC. • 190 Walnut Street • Lockport, NY 14094 • USA • 800-FOR TREK
(fax) • www.trekinc.com • [email protected] 716-438-7555 • 716-201-1804