Trek 212HS Charge-to-Mass Ratio (Q-m) Test System User Manual
Page 2
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Model 10/40A Specifications
Model 212HS Specifications
Copyright ã 2011 TREK, INC.
All specifications are subject to change.
1144/DEC
Performance
Features (cont.)
General (cont.)
Features
Certification
General
Measurement Range
Ground Terminal
Mass
0.000 to ±1.999 microcoulombs.
Must be connected to a common
150 g (5.29 oz).
(other ranges available as options)
ground point.
Stainless Steel Mesh (supplied)
Measurement Resolution
Flow Rate Adjustment
Plain Woven No. 400
Adjusts air flow rate on the vacuum
0.001 mC (1 nC).
28.7 mm diameter,
suction.
Accuracy
33 mm opening,
Air Outlet
Monitor Output
27.8% opening ratio.
Expels internal air pump exhaust.
Better than 0.2% of full scale.
Absorption Nozzle Unit
Analog Output Connector 1
DPM Display Output
Dimensions
BNC connection to output the
±0.25% of full scale.
1700 mm L, including tube.
analog data of channel 1 to an
Vacuum Pressure
(66.93² L, including tube).
oscilloscope or other external
10 kPa.
Mass
device. Scale factor is 1 V/1µC.
Normal Absorption (Nozzle Unit)
350 g (12.34 oz).
Analog Output Connector 2
50 Hz: 6.0 to 6.5L / minute
Operating Conditions
BNC connection to output the
60 Hz: 6.0L / minute
Temperature
Maximum Absorption (Nozzle Unit)
analog data of channel 2 to an
5°C to 35°C.
50Hz: 11.6L / minute
oscilloscope or other external
Included Accessories
60 Hz: 10.6L / minute
device. Scale factor is 1 V/1µC.
Type #2 filter papers (H6001), extra
Side Panel Features
#400 stainless steel mesh screens,
Air Inlet
line cord, and manual.
Receptacle used to connect the
Nozzle Filter Section
socket of the absorption needle
Front Panel Features
Nozzle Filter set (filter case, nozzle
unit.
Display Operation Touch Screen
hose, filter case stopper, and
Analog Input Connector 1
Displays measured values and
silicon tubes).
Accepts the BNC connector from
saved data. The Reset functions
Cell Case Section
the absorption needle unit.
and the Pump ON/OFF function are
Sample Cell Case (with cell case,
Analog Input Connector 2
accessed through this screen.
cell case stand, and cell case
Accepts the BNC connector from
Reset Function 1
stopper).
the cell case unit.
Used to reset the coulombmeter
Optional Accessory
Switch Input Connector
for the Absorption Nozzle Unit to
Receptacle used to connect the
zero.
switch connector from the
Reset Function 2
absorption needle unit.
Used to reset the coulombmeter
Nozzle Holder
for the Sample Cell Case to zero.
Receptacle used to hold the nozzle
TREK, INC. certifies that every Model
Display Function 1
casing of the absorption nozzle unit.
212HS Q/m Test System is tested and
A display to indicate the charge
Cell Case Holder
calibrated to specifications using
transfer to the Faraday cage in the
Used to hold the cell case unit.
measurement equipment traceable to
Absorption Nozzle Unit.
the National Institute of Standards and
Display Function 2
Technology or traceable to consensus
A display to indicate the charge
standards.
transfer from the Faraday cage in
the Sample Cell Case.
Main Indicator Unit
Power Switch
Dimensions
Power ON/OFF
280mm H x 220mm W x 280mm D
USB Connector
(11.0² H x 9.0² W x 11.0² D).
Two (2) USB ports (one active; one
Mass
reserved for future use) to connect
8 kg (18 lb).
the main unit to a personal
Power Requirements
computer.
Factory set for one of three ranges:
Rear Panel Features
100 V AC, 115 V AC, or 230 V AC at
Fuse Holder
48 to 63 Hz (all
±10%)
Houses the AC line fuse (250V/3A).
Cell Case Unit
AC Input
Dimensions
Connects the AC line cord that
45mm H x 70mm W x 54mm D
provides AC power to the unit.
(1.70” H x 2.75” W x 2.13” D).
Carrying case.
TREK, INC. 190 Walnut Street • Lockport, NY 14094 • USA • 800-FOR TREK
(fax) • www.trekinc.com • [email protected]
716-438-7555 • 716-201-1804