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Koehler K12190 Oxidation Stability Bath for Mineral Insulating Oils
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31 Okt 2019
United States
1 unit
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Spesifikasi

Specification

Conforms to the specifications of: 

ASTM D2440

Capacity: Six samples

Temperature Range: ambient to 260°F (127°C)

Circulator: 1⁄20hp impeller

Bath Capacity/Medium: 2.5 gal (9.5L) white technical oil

Description

Constant temperature oil bath for testing oxidation stability of mineral insulating oils. Immerses six oil receptacles at the required depth per ASTM specifications at 110°C ± 0.5°C, and controls oxygen flow to each sample at the rate of 1L/h ± 0.1L/h through six independent flowmeters mounted on a common manifold. Insulated double-wall stainless steel bath has microprocessor temperature control with °C/°F switchable digital setpoint and display. Operator and equipment are protected by an overtemperature control circuit which automatically interrupts power to the unit when bath temperature exceeds a programmed cut-off point.

Test Method

Determines oxidation stability of mineral transformer oils by measuring the amount of sludge and acid formed under prescribed accelerated aging conditions.

Features

  • Conforms to ASTM D2440 specifications
  • Microprocessor temperature control with digital display and overtemperature cut-off
  • Six-sample testing capacity

Electrical Requirements

115V 60Hz, Single Phase, 8.1A
220-240V 50/60Hz, Single Phase, 4.2A

Included Accessories

  • Oil Receptacle and Head (6)

Additional Accessories

  • K12130 Copper Catalyst Coils - Sealed in a glass jar with a nitrogen atmosphere. Pack of 24 (12 sets)
  • 332-005-010 Drying Tower  250mL with ground glass stopper and side tubes
  • 332-005-011 Glass Filter Crucible 
  • 250-000-95C ASTM 95C Thermometer - Range: 100 to 130°C
  • 355-001-001 White Technical Oil  1 gal container. 
  • 355-001-003 White Technical Oil 5 gal container. 

Alat Laboratorium Umum

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