Teledyne TurbO2 - Portable trace oxygen analyzer - Manual (Page 7)

3
Portable Trace Oxygen Analyzer TURBO
2
Teledyne Analytical Instruments
The instrument is designed to either sample or have its batteries re-
charged. Both operations cannot be carried out simultaneously. TAI has
deliberately interlocked the circuitry so that both operations cannot be carried
out at the same time.
Only when the selector switch is placed in the OFF position will the
neon lamp on the back plate of the Model TURBO
2
light up to indicate
power to the battery charging circuit.
To determine the state of the rechargeable batteries, turn the Range
Selector Switch counterclockwise to the battery test position and hold there
(the switch is spring loaded). Watch the meter indicator: if it does not stay
within the battery limits, the batteries need to be recharged. Release the
Range Selector Switch and it will automatically return to the OFF position.
Accuracy and Response: The Model TURBO
2
provides monitoring
accuracies of ±2% of full scale or ±5 PPM, whichever is greater, at constant
temperature. A ±5% of reading accuracy is achievable throughout the operat-
ing temperature range of 30 to 125° F.
With a sample flowrate of 150 cc/min., 90% response is achieved in 5–
10 seconds in the 0–10, 0–100, 0–1000, and CAL range switch positions.
Compact Packaging: The instrument is housed in 10¹/
16
" W × 7½ "
H × 6¾ " D aluminum case that is equipped with a carrying handle and foot
pads. When in use, the analyzer should be placed in an upright position on a
level surface (off-level positioning will detract from meter accuracy).
See Fig.1.
The cell block and amplifier PC board are housed inside the analyzer.
The back panel of the analyzer contains the AC power receptacle, the amber
charge light, fuse (½A: 110V; ¼A: 220V), and quick-connect fittings for
bringing the sample into and out of the sensor assembly.
See Figs. 2 and 3.
Pump: The TURBO
2
P has an integral pump used to help draw
sample through the analyzer.