Koehler Instrument K43092
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| Description: Dual Twin Foaming Characteristics Test Apparatus Performs two tests at 75°F (24°C) and two tests at 200°F (93.5°C). Consists of two 12×18″ (30.5×45.7cm) constant temperature baths with 1000mL test cylinders, certified diffusers, air delivery tubes, and flowmeters (94mL/min.) for each sample. Baths are equipped with microprocessor temperature controls, copper immersion heaters and 1⁄20hp circulation stirrers to maintain temperature uniformity of ±1°F (±0.5°C). Microprocessor PID control provides quick temperature stabilization without overshoot and the bath is protected by an overtemperature control circuit that interrupts power should bath temperature exceed a programmed cut-off point. Dual LED displays provide actual and setpoint temperature values in °C/°F format. Test cylinders are held securely in place by quick-locking cams in the bath cover assembly. A separate stainless steel support rack is provided to hold the test cylinders after removal from the bath. Cold bath (24°C) has built-in coils for circulating exit air from the high temperature test cylinders prior to passing to a volume meter, and a separate coil for circulating cooling water or refrigerant when the ambient temperature exceeds the test temperature. Supplied with rubber stoppers and glass air outlet tubes for each cylinder. Bath controls are enclosed in a finished steel base with chemical resistant polyurethane enamel finish. Communications software (RS232, etc.), ramp-to-set and other enhanced features are available as extra cost options. Contact your Koehler representative for information. FTM 791-3213 Aircraft Lubricants Test–Employs more severe conditions, smaller sample, increased air flow, and longer aeration period to test the foaming characteristics of aircraft-turbine lubricants. All models are available on special order for FTM 791-3213 testing. Please call or write for specifications and ordering information.Test Method: Foaming of lubricating oils in applications involving turbulence, high speed gearing or high volume pumping can cause inadequate lubrication, cavitation, overflow and premature oxidation. The sample is blown with a controlled volume of air at different specified temperatures. The resultant foam is measured at the end of each aeration period and at different intervals afterward. Features:
Included Accessories:
Additional Accessories (purchased separately):
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| Specifications | |
| Conforms to the specifications of: | ASTM D892; IP 146; DIN 51566; FTM 791-3211, 791-3213; NF T 60-129 |
| Temperature Control: | Digital Setpoint and Displays °C/°F switchable Built-in Overtemperature Cut-off Protection |
| Bath Temperature: | 24°C (75°F), 93.5°C (200°F) |
| Air Flow Rate: | 94mL/min |
| Bath Capacity: | 9 gal (38.5L) each bath |
| Shipping Weight: | 300 lbs (136.1 kg) |
| Dimensions: | 45x28x56 in. (114.3×71.1×142.2 cm) |
| Catalog Number | Product Description | Electrical Requirements |
| K43002 | Foaming Characteristics Apparatus, Dual-Twin | 115V 50/60Hz |
| K43092 * | Foaming Characteristics Apparatus, Dual-Twin | 220-240V 50/60Hz |
| K43003 | Foaming Characteristics Apparatus, Automatic Time Sequence | 115V 50/60Hz |
| K43093 | Foaming Characteristics Apparatus, Automatic Time Sequence | 220-240V 50/60Hz |
| K43000-SFW | Foaming Characteristics Data Acquisition Software | |
ASTM D892
