Model 720A * 115VAC. * 12.5mL Tube. * 8-Place Head. * Heated. * 15-Timer. Robinson Manufacturing Robinson Open Centrifuge
The includes a spring-loaded latch to stay securely closed during operation and an access hole for checking RPMs with a handheld tachometer without opening the lid. Technical Specifications Specification Voltage 115 VAC, 50/60 Hz Tube Size Head Capacity Dimensions Approx. 20" L x 16" W x 10" H Shipping Weight Approximately 33 lbs to 47 lbs Timer 15-minute analog Industry Applications Robinson 700 Series Heated Centrifuge
Looking for a workhorse for your separation needs? This is ready to go.
: Equipped with a spring-loaded lid latch to ensure the unit remains securely closed during high-speed operation. 230V version (Model 721A) Go to product viewer dialog for this item. ? Robinson 700 Series Heated Centrifuge robinson centrifuge model 720
Before diving into the specifics of the Model 720, it is essential to understand the manufacturer. Robinson Instruments (often referred to simply as "Robinson") has a long-standing reputation for building heavy-duty, electrically heated centrifuge systems. Unlike clinical centrifuges designed for blood or urine samples, Robinson centrifuges are built for the harsh chemistry of crude oil, fuel oils, and asphalt.
Turn on the main power switch. Set the digital temperature controller to the value specified by your test method (e.g., 140°F for ASTM D1796). Allow the rotor chamber to preheat for 10–15 minutes.
Once the rotor comes to a complete stop (do not open the lid until the dynamic brake has finished), remove the tubes. Read the volume of sediment and water collected in the graduated tube neck. Record results as a percentage. Model 720A * 115VAC
The Model 720 is engineered for longevity and ease of use in demanding environments:
: Features a built-in, thermostatically controlled bowl heater that maintains sample temperatures for the duration of testing. Electrical : Operates on 115VAC (50/60Hz). Max Speed : Reaches a maximum speed of 1800 ± 100 RPM .
Despite its robust build, the Model 720 requires respect. Operators must be aware of three primary hazards: * Heated
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: Designed to hold eight 12.5 mL tubes simultaneously, allowing for efficient batch testing. Integrated Heating
Features an 8-place head specifically designed to hold 12.5mL sample tubes.