Petroleum Testing

Koehler is a the world leading supplier of tester and analysers for the oil, gas, lubricants and grease industry. Having been directly involved in writting up many of the ASTM methods used world wide in refineries, blending plans, and other oil laboratories, Koehker offers the best technical solutions for a wide range of tests.

Viscometer Cleaning and Drying Apparatus

The viscometer cleaning and drying apparatus uses solvent and pressurized filtered air to clean up to six tubes at a time. The system is suitable for use with all types of kinematic viscometers. A pressurized air source (150psi maximum) is required. Six tube capacity For all types of capillary viscometers Built-in air filter removes particles from the air stream Available with solvent tank inc. tubing with fittings for connection to apparatus Contact us now > Or call us now on 0161 442 9963 to speak to a Product Specialist. You can also visit the Koehler website for more product details…

LKV4000 Refrigerated Constant Temperature Bath

The LKV4000 is a refrigerated constant temperature bath for kinematic viscosity testing of petroleum products. The system accommodates four glass capillary viscometers within an insulated steel cabinet with a front viewing window. The bath medium is contained in a clear, evacuated Dewar flask. A dual digital display allows for both the setpoint and actual bath temperature to be displayed. Safety features include a low fluid level and over temperature cut off. Air-cooled hermetic compressors provide efficient operation with the use of CFC-free refrigerants. Conforms to ASTM D445, D2532, D6074, D6158, IP 71, ISO 3104, DIN 51550, FTM 791-305,NF T 60-100…

LKV3000 Refrigerated Constant Temperature Bath

The LKV3000 is a refrigerated constant temperature bath for kinematic viscosity testing of petroleum products. The system accommodates four glass capillary viscometers within an insulated steel cabinet with a front viewing window. The bath medium is contained in a clear, evacuated Dewar flask. A dual digital display allows for both the setpoint and actual bath temperature to be displayed. Safety features include a low fluid level and over temperature cut off. Air-cooled hermetic compressors provide efficient operation with the use of CFC-free refrigerants. Conforms to ASTM D445, D2532, D6074, D6158, IP 71, ISO 3104, DIN 51550, FTM 791-305,NF T 60-100…

KV5000 Kinematic Viscosity Bath with Optical Flow Detection

The KV5000 kinematic viscosity bath has an optical flow detection system which accurately measures sample flow and automatically calculates kinematic viscosity results. The system allows automatic measurement and results calculation for up to five viscometer tubes, with two additional positions available for manual measurements. All positions can be used in manual mode and are suitable for Ubbelohde, Cannon®Fenske, and Reverse Flow viscometers. A dual digital display allows for both the setpoint and actual bath temperature to be displayed. Safety features include a low fluid level and over temperature cut off. A motorised stirrer provides complete circulation without turbulence and a…

KV4000 Constant Temperature Bath with Integrated Digital Timing and Automatic Calculation

The KV4000 is a constant temperature bath with advanced temperature control, integrated timing, and automatic calculation for convenient, accurate glass capillary viscometry determinations. The system includes seven integrated digital timers for timing and monitoring of the efflux interval   and an LCD microcomputer for automatic calculation and display of kinematic viscosity in viscosity units. All timing functions are displayed in 0.01 or 0.1 second resolution and are accurate within 0.01%. A dual digital display allows for both the setpoint and actual bath temperature to be displayed. Safety features include a low fluid level and overtemperature cut off. A motorised stirrer provides…

KV3000 Constant Temperature Bath with Integrated Digital Timing

The KV3000 is a constant temperature bath with advanced temperature control and integrated timing features for convenient, accurate glass capillary viscometry determinations. The system includes seven integrated digital timers for timing and monitoring of the efflux interval for each viscometer. All timing functions are displayed in 0.01 or 0.1 second resolution and are accurate within 0.01%. A dual digital display allows for both the setpoint and actual bath temperature to be displayed. Safety features include a low fluid level and over temperature cut off. A motorised stirrer provides complete circulation without turbulence. Connection of the built-in cooling coil to tap…

KV1000 Digital Constant Temperature Kinematic Viscosity Bath

The KV1000 is a constant temperature bath for kinematic viscosity testing of petroleum products. Test temperatures up to 150°C can be selected, with temperature adjustment to within ±0.01°C and an over temperature cut off safety feature. The control unit includes immersion heater, circulating stirrer and a temperature probe. A cooling coil assembly can be added. Conforms to the specifications of ASTM D445, D6074, D6158; IP 71; ISO 3104; DIN 51550; FTM 791 305; NF T 60-100 Accommodates 6 glass capillary viscometers of various types 2 bath sizes: 12” (30.5 cm) 5.8 gal (22L) or 18” (46 cm) 8.9 gal (33.7L)…

HKV4000 High Temperature Bath with Integrated Digital Timing and Automatic Calculation

The KV4000 is a high temperature bath with advanced temperature control, integrated timing, and automatic calculation for convenient, accurate glass capillary viscometry determinations. The system includes seven integrated digital timers for timing and monitoring of the efflux interval   and an LCD microcomputer for automatic calculation and display of kinematic viscosity in viscosity units. All timing functions are displayed in 0.01 or 0.1 second resolution and are accurate within 0.01%. A dual digital display allows for both the setpoint and actual bath temperature to be displayed. Safety features include a low fluid level and overtemperature cut off. A motorised stirrer provides…

HKV3000 High Temperature Bath with Integrated Digital Timing

The HKV3000 is a high temperature bath with advanced temperature control and integrated timing features for convenient, accurate glass capillary viscometry determinations. The system includes seven integrated digital timers for timing and monitoring of the efflux interval for each viscometer. All timing functions are displayed in 0.01 or 0.1 second resolution and are accurate within 0.01%. A dual digital display allows for both the setpoint and actual bath temperature to be displayed. Safety features include a low fluid level and over temperature cut off. A motorised stirrer provides complete circulation without turbulence. Connection of the built-in cooling coil to tap…

Calibrated Glass Capillary Kinematic Viscometers

SciMed offer a full selection of glass capillary viscometers for measuring kinematic viscosity of liquid petroleum products in accordance with ASTM D445 and related standard test methods. All types of viscometers conform to ASTM D446 and related standard specifications for glass capillary kinematic viscometers. Each viscometer is supplied with a calibration certificate. Cannon®-Fenske Routine Viscometers The Cannon®-Fenske Routine viscometer is a rugged and inexpensive viscometer that works well if the sample is transparent or translucent. Ubbelohde Viscometers The Ubbelohde viscometer and other suspended level viscometers are used to measure transparent liquids. Unlike the Cannon®-Fenske Routine viscometer, suspended level viscometers maintain…

Water Separability Tester

The Water Separability Tester provides accurate testing of up to seven samples at a time. It may be used for specification of new oils and monitoring of in-service petroleum oils and synthetic fluids. A full visibility bath immerses seven 100mL cylinders as per ASTM and ISO specifications. Sample cylinders are held securely in place by stainless steel supports inside the bath. A microprocessor based heater controls bath operating controls bath fluid temperature with greater than ±1°C accuracy and stability throughout the operating range of 25°C to 84°C. Large LED readouts display setpoint and actual temperatures in Celsius or Fahrenheit scale…

Rust Preventing Characteristics Oil Bath

The system stirs sample-water mixtures at 1000rpm whilst immersed in a water bath with ± 0.5°C (± 1°F) stability. The microprocessor control provides fast temperature stabilization without overshoot. Dual LED displays provide actual and setpoint temperature values in °C/°F format. Communications software, ramp-to-set and other enhanced features are also available Stainless steel stirrer paddles are driven by a motor through a pulley drive-roller bearing arrangement. Paddles can be raised and lowered for placement of sample beakers in the bath. The package includes test specimens, holders and beaker covers for ASTM D665 or D3603 testing. Stainless steel bath includes perforated support…

Panel Coking Test Apparatus

The Digitally controlled panel coking apparatus for finished lubricating oils, consisting of mechanical splasher, splash chamber and sample oil reservoir Test panel temperature and oil sump temperature are individually controlled by separate heaters with digital-indicating controllers. Mechanical splasher has a variable speed 0-1800rpm drive motor with digital indicating control. A high accuracy variable area flowmeter permits introduction of a corrosive acidic atmosphere to increase the severity of the test. Equipped with a digital countdown timer. Hinged safety cover has a port for fume removal and a safety interlock switch that interrupts power to the drive motor when the cover is…

Oxidation Stability Apparatus

The apparatus is available in 8, 12, 30 or 60 position formats. The system incorporates constant temperature baths, calibrated flowmeters and condenser water manifolds to determine oxidation stability of fuels and lubricants. Each cell has an individual flowmeter, control valve and condenser manifold. The system features quick temperature stabilization without overshoot, and the bath is protected by a redundant over temperature control circuit that interrupts power should bath temperature exceed a programmed cut-off point. The display provides actual setpoint temperature values in °C/°F format. Communications software (RS232, etc.), ramp-to-set and other enhanced features are available as additional options. Double-wall insulated…

Corrosiveness and Oxidation Stability Test Apparatus

The system is a series of constant temperature block baths for corrosivity and oxidation stability determinations. Suitable for the analysis of hydraulic oils, aircraft turbine lubricants, transmission fluids and other highly refined oils. The insulated aluminium block provides safe, efficient performance at operating temperatures of up to 750°F (399°C). The air flow is controlled at the specified rate by six individually adjustable flowmeters mounted on a common manifold. Includes inlet valve and outlet fitting for condenser water supply and support rack for glassware. ·       Models for ASTM, Federal and IHC test methods ·       Six-sample testing capability ·       Solid aluminium block…