Trek 157 Charged Plate Monitor - Manual (Page 2)

Included Accessories: Charged-Plate Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Model 157
Operator’s Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23280 Charged-Plate Monitor with bar code reader. . . . . . . . . Model 157-1
Software CD-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45833
Banana to Banana Stackable Cord (9 ft.) . . . . . . . . . . . . . . . . . . N9044
Universal AC Adapter (100 V to 240 V AC ±10%) . . . . . . . . . . . . 1K010
USB Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BA103
Standard Plates (ordered separately)
Carrying Case for unit and accessories . . . . . . . . . . . . . . . . . . . 43863
150 mm x150 mm (6² x 6² square) plate . . . . . . . . . . . . . . 17397
Optional Accessories:
25 mm x 25 mm (1² x 1² square) plate . . . . . . . . . . . . . . . . 17375
Ion Collecting Plate Tripod. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DK142
Thermohygrometer Kit (Omega HH311& cable) . . . . . . . . . . . . 1K028
Special Plates (ordered separately)
Bar Code Wand with DB9 Connector . . . . . . . . . . . . . . . . . . . . . M1028
Ion Collecting Plates
Performance Features (cont.) General
Features
Monitored Voltage Range
0 to ±1020 V DC or peak AC.
Bandwidth (-3 dB)
DC to 80 Hz.
Zero Stability (referred to plate voltage)
Drift with Time (no incident ion flow)
Drift with Temperature
Less than 10 mV/°C, noncumulative.
Decay Mode Thresholds
Start Voltage
Programmable from
1 to ±1000 V in 1 V increments.
Start Accuracy
Within ±1 V of
programmed start voltage.
Stop Voltage
Programmable from
0 to ±999 V in 1 V increments.
Stop Accuracy
Within ±1 V of
programmed stop voltage or
±0.2 V if set less than or equal to 90 V.
Discharge Timer Resolution
0.1 seconds, from 0.1 to 999.9 seconds. Voltage Monitor Output
A BNC providing a low voltage replica of
Plate Self-Discharge Rate
the plate voltage.
Less than 12 volts/minute.
Scale Factor
1/200th of the plate voltage.
DC Accuracy
Better than 0.1% of full scale.
Offset Voltage
Less than ±10 mV.
Output Noise
Less than 10 mV rms.
Output Impedance
Less than 0.1 W.
Ion Collecting Plates (ordered separately)
Other capacitances and sizes available.
Dimensions
150 mm x 150 mm, (6²x 6² square).
25 mm x 25 mm, (1²x 1² square).
Capacitance
20 pF ±2 pF.
Power Requirements TEMP/RH Meter Connector
Battery Eliminator/Charger Model 1K010 A connector receives an input from an
available for all nominal line voltages. optional thermohygrometer and enables
Contact TREK, INC. or an authorized the Model 157 to display environmental
service organization for more information. data on the LCD screen and also save or
Output Connector retrieve the information on test results.
2.1 mm DC power plug.
Bar Code Input Connector
Less than 6 V/minute. Output Voltage
A connector receives an input from an
15 V DC.
optional bar code reader and enables the
Output Current
Model 157 to display bar code
2 A.
identification on the LCD screen and also
save or retrieve the information on test
Battery Operation
results. Rechargeable battery, supplied.
Operating Time
Data Retrieval and Analysis (USB Port)
Greater than 8 hours from a
Data can be exported from the Model 157
full charge (with no LED back light).
into a PC computer through a USB port for
Recharge Time
later analysis or record keeping.
Less than 3 hours to full charge.
Recharge Degree Fast Mode (data acquisition)
LCD screen battery status indicator. When connected to a computer, data can
be collected at a rate of 1 ms/data point
Operating Conditions
(normal rate is 10 ms/data point). This is
Temperature
useful for evaluating the resistive or
5 °C to 35 °C.
dissipative properties of materials.
Relative Humidity
To 80%, noncondensing.
Instrument Dimensions
102 mm H x 254 mm W x 241 mm D
(4² H x 10² W x 9.5² D).
Instrument Weight
Menu Selection and Display 2 kg (4.4 lb).
Six soft-keys and display prompts navigate
Voltage Monitor Connector
the user through system operations.
BNC connector.
Automated or manual tests can be
performed, programmed, or retrieved.
Ground Receptacle
Among the functions are:
Banana jack.
+DISCHARGE, -DISCHARGE TESTS
Cable from Instrument to Floating Plate LCD Display Screen with LED back light
Sets the plate voltage to a value just
Coaxial type. Diameter of 4.95 mm
127 mm x 38 mm (5² x 1.5²) screen above the programmed start voltage
(0.195²). Length of 3 meters (10 ft), displays all data and program options. and resets the discharge timer to zero.
nominal. Resolution BALANCE TEST
240 x 64 pixels. Sets the plate voltage to 0 V, ±0.5 V.
USB Port Connector
Memory Connects to a PC for data exchanges or
Can store or retrieve as many as transfers.
1500 manual tests or up to 1000
automated test sequences.
Model 10/40A Specifications
Model 157 Charged-Plate Monitor Specifications
Model 157 Ordering Information
Copyright ã 2011 TREK, INC.
All specifications are subject to change.
1124/DEC
compliant
TREK, INC. • 190 Walnut Street • Lockport, NY 14094 • USA • 800-FOR TREK
(fax) • www.trekinc.com • [email protected] 716-438-7555 • 716-201-1804