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Test Method: D943 (Heated Tube Bath) |
| Oxidation Stability Of Distillate Oil |
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• Meets the requirements of ASTM D943, D2274, D2893, D4310 test methods
• Digital indicating temperature control maintains ±0.1°C stability
• Heated Tube bath with 2 to 30 test positions
• Overall dimension 15"x 16"x 16" | shipping wt. 65 lbs
• Temperature range of 50 to 300'C
• Supplied with 2 flow meters
• Available for either 115V, 208V or 220V, 50 or 60 Hz power |
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Click for Liquid Baths
Click for Aluminum Block Baths |
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The HT series Oxidation Baths meets the requirements of ASTM D943, D2893*, D4310, D6158, AOCS12-57* test methods (* modified version for these methods is available).
Each test position’s sleeve is individually heated and controlled with temperature stability of ±0.1º C. A digital display controller is dedicated for each position and is independent of the others. The set point between any neighboring tube may differ by as much as ±40º C, thus allowing tests at varying temperatures in the same apparatus. Each position’s temperature may be independently adjusted in 0.1º C increments. Temperature control parameters may be individually adjusted for optimizing the temperature stability of each position. The operating temperature range is from +50º C up to +300º C.
Each test position has one float-in-tube flowmeter positioned in front. The oxygen flow rate is maintained at 3 ± 0.1 L/hr with a micro precision valve. An oxygen pressure regulator is provided.
Temperature control is provided by a digital display PID controller providing stability of ± 0.2º C or better. In the event of primary controller failure each heated tube is individually protected against temperature runaway. Useful temperature range is from +40 to 240'C.
Water flow to each condenser is controlled by a valve mounted on the back panel. This is available only if the condenser water flows directly to a waste drain. If a recirculating chiller is to be used, only one flow valve is provided for each group of 12 condensers which must be arranged in series.
As an option, each position may have either a glass tube flowmeter or a mass flow controller precisely inputting the air or oxygen into the test specimen. The individual mass flow controllers are adjustable via Touch Screen interface.
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HT-342-2
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Two position, individually heated tube bath with 2 flow meters (3L/h oxygen)
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HT-342-4
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Four position, individually heated tube bath with 4 flow meters (3L/h oxygen)
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HT-342-8
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Eight position, individually heated tube bath with 8 flow meters (3L/h oxygen)
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HT-342-12
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Twelve position, individually heated tube bath with 12 flow meters (3L/h oxygen)
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HT-342-30
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Thirty position, individually heated tube bath with 30 flow meters (3L/h oxygen)
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| Accessories for each test position - ASTM D943, D4310 |
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OX-18
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Oxygen Delivery Tube |
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OX-19
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Oxidation Test Tube |
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OX-20
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Mushroom Condenser |
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OX-21
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Thermometer Bracket |
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OX-23
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Syringe Sampling Tube Holder |
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OX-24
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Stopper |
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OX-28
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Syringe Sampling Spacer |
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OX-10
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10 mL Syringe (a total of two only) |
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OX-50
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50 mL Syringe (a total of two only) |
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OX-60
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Syringe Sampling Tube |
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OX-81
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Wound copper and steel coil in a sealed tube, ready to use |
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OX-85
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Abrasive cloth, 100 grit silicon carbide |
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Accessories for each test position - ASTM D2274
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OX-18
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Oxygen Delivery Tube |
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OX-19
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Oxidation Test Tube |
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OX-20
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Mushroom Condenser |
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Suggested Additional Accessories:
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OX-86
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Oxidation test tube support rack for 12 tubes |
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OX-87
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Ventilated, darkened oxidation tube cooling rack, (12 tubes) for D2274 |
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OX-88
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Rubber tubing for condenser water, 12 ft (1.5 m) |
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OX-89
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Tubing for oxygen delivery, 50 ft (12 m) |
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OX-91
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Stainless steel funnel/filter holder with grounding cables & flask per Fig. 2 D2274 |
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OX-92
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Filter for D2274, pack of 50 matched-weight pair |
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OX-100
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Mass flow controller with touch panel interface software, each |
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16
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Refrigerated water chiller for up to 24 condensers |
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65
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Refrigerated water chiller for up to 60 condensers |
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DAX
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Paperless Videographic Recorder with flash memory card storage and ethernet |
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Glassware and Other Components |
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Oxidation Delivery Tube
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Oxidation Test Tube
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Condenser
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Theomometer bracket
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Stopper
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Syringe Sample Tube Holder
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Syringe Sample Spacer
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Syringe Sample Tube
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"O" Rings
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Catalyst Coil
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Wire Cooling Mandrel
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Steel Wire
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Copper Wire
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Silicone Carbide Paper
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Flexible Tubing
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