Oxygen Analyser Digital, Model OA-11
PPM Oxygen Analyser Model OA-10, 0 - 1000 PPM (288 x 144 x 300mm)
1 minute within instrument range / (6 hours from exposure to atmosphere)
Less than 3 seconds at recommended flow-rate of 1-litre/minute.
By needle valve control on front panel.
High & Low alarm adjustable throughout the range
One set each of changeover contacts rated at 5 Amps(resistive)
230V AC + 10%
288 x 144 x 220mm (W x H x D)