Koehler Instrument K11450 / K11459 Reid Vapor Pressure Bath

Condition: New Brand new item from stock or on order from manufacturer
Alternate Names:
Petroleum Bath, RVP
Stock #:
Dimensions (approx.):
15 in.W x 15 in.D x 36 in.H (outside)
115 or 220 Volts, 50/60 Hz,
Product Description
The K11450 4-unit Reid Vapor Pressure Bath is a Constant temperature water bath designed for Reid Vapor Pressure determinations of liquid petroleum products and liquefied petroleum gases (LPG). Vapor pressure is a critical factor in the handling and performance of liquid petroleum and liquefied petroleum gas (LPG) products. The vapor pressure of automotive gasolines is subject to governmental regulation for pollution control purposes. This unit immerses vapor pressure apparatus at the proper depth per ASTM specifications. Controls bath temperature with ±0.2F (±0.1C) precision. 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. Communications software (RS232, etc.), ramp-to-set and other enhanced features are available as extra cost options. Contact your Labequip representative for information. Double-wall construction with fiberglass insulated stainless steel tank. A sturdy 1 in. (25mm) flange permits flush-mount benchtop installation for easy access to the bath interior. Built-in holders suspend test cylinders at the required depth. Equipped with overflow stand pipe/drain.

Test apparatus for liquid products (ASTM D323) requires:
~ Test Cylinders, one or two-opening type
~ Pressure Gauges
~ Constant Temperature Bath
~ Bath Thermometer
~ Transfer Connection
~ Manometer
~ Manometer Adapter

Test apparatus for liquefied petroleum gases (ASTM D1267) requires:
~ Test Cylinders, two-opening type
~ Bleeder Valve Assemblies
~ Pressure Gauges
~ Constant Temperature Bath
~ Bath Thermometer
~ Flexible Tubing
Capacity: 1 to 4 vapor pressure apparatus, one-opening or two-opening type
The following link provides additional information from the manufacturer's brochure. Click to open the PDF in a new window or right-click to download it:
Koehler K11450 / K11459 Reid Vapor Pressure Bath or copy the following into your browser address window: labequip.ca/stock/pictures/n675.pdf
Made in USA.


K11500 Reid Vapor Pressure Cylinder, 1-Opening Type
K11201 Reid Vapor Pressure Cylinder 2-Opening Type
K11202 Bleeder Valve Assembly for LPG tests for K11201 test cylinder
311-005-004 Range (psi/kPa): 0-5/35 Figure Intervals (psi/kPa): 0.5/5 Interval Graduations(psi/kPa): 0.05/0.2
311-015-002 Range (psi/kPa): 0-15/100 Figure Intervals (psi/kPa):1.0/10 Interval Graduations(psi/kPa): 0.1/1.0
311-030-002 Range (psi/kPa): 0-30/200 Figure Intervals (psi/kPa):5.0/20 Interval Graduations(psi/kPa): 0.5/2.0
311-060-002 Range (psi/kPa): 0-60/400 Figure Intervals (psi/kPa):5.0/50 Interval Graduations(psi/kPa): 0.2/2.5
311-100-002 Range (psi/kPa): 0-100/700 Figure Intervals (psi/kPa):10/50 Interval Graduations(psi/kPa): 0.5/2.5
311-250-001 Range (psi/kPa): 0-250/1750 Figure Intervals (psi/kPa):25/100 Interval Graduations(psi/kPa): 1.0/20
311-600-003 Range (psi/kPa): 0-600/4200 Figure Intervals (psi/kPa):50/250 Interval Graduations(psi/kPa): 2.0/25
K11401-RPS RVP Data Acquisition System, 115V 60 Hz
K11491-RPS RVP Data Acquisition System,230V 50/60 Hz
K11404-50 RVP Pressure Transducer, 0-50 psi
K11404-200 RVP Pressure Transducer, 0-200 psi
K11404-1000 RVP Pressure Transducer, 0-1000 psi
250-000-18F ASTM 18F Thermometer
Range: 94 to 108°F
250-000-18C ASTM 18C Thermometer
Range: 34 to 42°C
250-000-65F ASTM 65F Thermometer
Range: 122 to 176°F
250-000-65C ASTM 65C Thermometer
Range: 50 to 80°C
K11800 Sample Container with Cover Assembly
K11810 Transfer Connection: Consists of threaded brass cap, delivery tube and smpling tube. Use for removing liquid from the sample container in accordance with ASTM specifications
371-000-002 Liquid Manometer: Graduated in inches (0.1" div.). For checking pressure gauge reading of up to 15psi
K112B-1-0-12 Manometer Adapter Kit: Kit for attaching pressure gauge to liquid manometer for pressure verification
AS568-210 O-ring Seal: For coupling between air and gas chambers on K11500 and K11201 vapor pressure pressure vessels
AS568-113 O-ring Seal: For gauge and bleeder valve assembly connections on K11500 and K11201 vapor pressure pressure vessels
K40100 Flexible Tubing: Sulfur-free plastic lined tubing with 1/4" stainless steel and aluminum connectors. For charging LPG test cylinder.

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