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Instruction Manual
Introduction / General Information
Description
The InstruTech CVM-211 Stinger module provides the basic signal conditioning required to turn a convection vacuum gauge
into a complete measuring instrument. There are two different models of Stinger. One model provides a non-linear analog
output, and one setpoint relay. The non-linear analog output is identical to the Helix/Granville-Phillips "S-curve". The other
model provides a Log-linear analog output, and one setpoint relay. Refer to part number on the module and review Tables 1
and 2 of this manual to make sure you have ordered the appropriate model for your use. A built-in display provides a
convenient user interface for setup and operation of the vacuum gauge. This manual applies to InstruTech CVM-211 series
modules.
Specifications
measurement range (signal)
display
materials exposed to gases
internal volume
internal surface area
weight
housing
fittings/flanges
operating temperature
storage temperature
bakeout temperature
humidity
mounting position
output
input power
trippoint relay
contact rating
connector
RF/EMI protection
Options & Accessories
PS401-A Power Supply
Description: Wall-mount AC adapter to power one CVM module.
Power Input: 100-240 VAC
Power Plug: North America 115VAC Plug
Output: 24 VDC @ 500mA
Output Connector: 9-pin D sub, pre-wired to mate with CVM. Connector
can be opened to enable user to make connections to signals and relays.
Cable Length: 2m (6ft)
InstruTech, Inc
InstruTech CVM-211 "Stinger" Convection Vacuum Gauge Module
-4
1x10
to 1000 Torr / 1x10
3 digit LED
(3 digits from 999 Torr to 10.0 mTorr),
(2 digit LED from 9.9 mTorr to 1.0 mTorr), (1 digit LED from 0.9 mTorr to 0.1 mTorr)
gold-plated tungsten, 304 & 316 stainless steel, glass, nickel, Teflon
3
3
26 cm
(1.589 in
)
2
2
59.7 cm
(9.25 in
)
136 g (4.8 oz)
molded plastic
1/8"NPT-1/2" tubulation, 4VCR, 8VCR, Mini-Conflat
®
2-3/4" Conflat
(NW35CF), KF16, KF25, KF40
o
0 to +40
C
o
-40 to +70
C
o
+70
C
0 to 95% RH non-condensing
horizontal recommended
1) log-linear 1 to 8 Vdc , 1V/decade, or
2) non-linear analog S-curve 0.375 to 5.659 Vdc (Helix/GP compatible)
11 to 30 Vdc, protected against power reversal, transients, and over-voltages
one, single-pole double-throw relay (SPDT)
1A at 30 Vdc resistive, or ac non-inductive
9-pin D male
CE compliant
-4
-2
to 1333 mbar / 1x10
®
(NW16CF),
Pa to 133 kPa
page 3
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