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Instruction Manual
InstruTech VGC-301 Convection Vacuum Gauge Controller
Safety (continued)
Gases other than Nitrogen:
InstruTech gauges are calibrated for N
. Do not attempt to use with other gases such as argon or CO
unless
2
2
accurate conversion data for N
to the other gas is properly used. Refer to Appendix B for a more complete
2
discussion of issues.
Do not use a convection gauge in an explosive atmosphere or in the presence of flammable gases or fumes.
Do not use a convection gauge to measure the pressure of explosive or combustible gases or mixtures. The
sensor wire in the gauge normally operates at 125 C, but under malfunction the wire temperature could exceed
the ignition temperature of combustible mixtures.
InstruTech, Inc
page 5
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