Thermo Scientific TVA-1000B Instruction Manual - Geotech ...
Thermo Scientific TVA-1000B Instruction Manual - Geotech ...
Thermo Scientific TVA-1000B Instruction Manual - Geotech ...
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Introduction MI 611-185 – June 1996<br />
Standard Specifications<br />
Table 1. Specifications<br />
Accuracy<br />
Item<br />
Repeatability<br />
Analog Output<br />
Dynamic Range<br />
Linear Range<br />
Minimum Detectable<br />
Level<br />
Response Time using<br />
close area sampler<br />
Recovery Time using<br />
close area sampler<br />
Response Time using<br />
telescoping wand<br />
extender<br />
Recovery Time using<br />
telescoping wand<br />
extender<br />
Specification<br />
PID Instrument — ±25% of reading or ±2.5 ppm, whichever is<br />
greater, from 0.5 to 500 ppm. Accuracy listed is achieved using<br />
isobutylene with a 1-point calibration in the range from 100 to 300<br />
ppm (including drift) at the temperature and humidity of the<br />
calibration.<br />
FID Instrument —±25% of reading or ±2.5 ppm, whichever is<br />
greater, from 1.0 to 10,000 ppm. Accuracy listed is achieved using<br />
methane with a 1-point calibration in the range from 100 to 500<br />
ppm (including drift) at the temperature and humidity of the<br />
calibration.<br />
PID Instrument — ±1% at 100 ppm of isobutylene<br />
FID Instrument — ±2% at 100 ppm of methane<br />
Two analog output signals, 0 to 2 V dc, proportional to the count<br />
output from each detector.<br />
PID Instrument — 0.5 to 2,000 ppm of isobutylene<br />
FID Instrument — 1.0 to 50,000 ppm of methane<br />
PID Instrument — 0.5 to 500 ppm of isobutylene<br />
FID Instrument —1.0 to 10,000 ppm of methane<br />
The minimum detectable level is defined as two times the peak-topeak<br />
noise.<br />
PID Instrument — 100 ppb of benzene<br />
FID Instrument — 300 ppb of hexane<br />
PID Instrument — Less than 3.5 seconds for 90% of final value,<br />
using 100 ppm of isobutylene<br />
FID Instrument — Less than 3.5 seconds for 90% of final value,<br />
using 10,000 ppm of methane<br />
PID Instrument — Less than 5.0 seconds to return to 10% of base<br />
line, using 100 ppm of isobutylene<br />
FID Instrument — Less than 5.0 seconds to return to 10% of base<br />
line, using 10,000 ppm of methane<br />
PID Instrument — Less than 5.0 seconds for 90% of final value,<br />
using 100 ppm of isobutylene<br />
FID Instrument — Less than 5.0 seconds for 90% of final value,<br />
using 10,000 ppm of methane<br />
PID Instrument — Less than 5.0 seconds to return to 10% of base<br />
line, using 100 ppm of isobutylene<br />
FID Instrument — Less than 5.0 seconds to return to 10% of base<br />
line, using 10,000 ppm of methane<br />
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