1 Strain relief 2 ABS Probe body 3 Temperature Sensor 4 O-Ring Seal 5 Optical window 6 Alignment key 7 Smart Cap™ 8 RFID Tag 9 Embedded O¬ sensitive luminophore with black protective layer 10Protective shield* 1 2 4 5 6 8 7 9 Probe Cable Length Required Meter HI7641133* 1 m (3.3') HI6421 HI764113 4 m (13.4’) HI98198 HI764113/10 10 m (33’) HI764113/20 20 m (33’) HI764113 • HI7641133 Optical DO Probe • Digital, weighted probe • No membranes • No electrolytes • No oxygen consumption • No flow dependence or minimum flow rate • Fast and stable readings • Not affected by sunlight • Factory calibrated “Smart Cap” • Smart Caps last one year • Minimal maintenance 3 Accessories HI764113-1 Smart Cap with O-ring HI764113-2 Calibration/Storage vessel HI764113-3 Stainless Steel Protective Shield 10 * HI7641133 for the HI6421 does not include a protective shield. 6 Dissolved Oxygen 6.32 | www.hannainst.com probes and solutions
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