Scientific Refrigeration

Our Scientific Division offers complete design, sales, service, and installation of any size or type of environmental chamber, warm or cold room. We offer factory authorized service of all major manufacturers of Ultra-low freezers, Revco, Forma, So-Low, Harris, and others. We also service all brands of lab chillers and cryostats. We offer NIST certified calibrations, Temperature and humidity validations, and temperature mapping. Our expert technicians have been extensively trained in the field of cascade and mechanical refrigeration, environmental temperature control, electricity and electronics. They are fully licensed and have completed intensive training in these areas. They are also universally certified by the Environmental Protection Agency (EPA). This sets us apart from any other Scientific Instrument Service company.

For references please call, write, fax, or E-mail us today.

Preventative Maintenance and Calibration

Crosstown Mechanical has Preventative Maintenance and Calibration programs for laboratory equipment and environmental chambers (almost all major brands). We can style a program that will fit your equipment needs and work with your schedules. Our program is able to meet the necessary compliance regulations and also be flexible enough to maintain your deadlines. We would be happy to work with you to lower your maintenance costs and reduce any down-time of your equipment.

Service Programs

Our technicians can offer service in the following ways:

Providing spare parts
Retrofits and Upgrades
Validation/Qualification of equipment
Regular Service
Emergency Service
Preventative Maintenance
Calibration
Evaluations of Serviceability
Monitoring Systems

Validations

The term validation is the most misused and misunderstood term around. Validations need to follow FDA & AABB standards. The definition of equipment validation is broken down into three sections:

1. IQ – Installation Qualification. This is a very simple document that provides proof that the equipment was installed correctly and fully operational.
2. OQ – Operational Qualification. This document provides proof that the equipment is performing correctly and performance meets the material requirements. A 24 hour temperature map of an empty chamber is part of this document.
3. PQ – Product Qualification. This document provides proof that the equipment maintains the material within stated tolerance. A 24 hour temperature map of a loaded chamber is one part of this document. Also included is an open door study and power failure study.
We have performed validations for many QA/QC managers and are willing to provide any one of the above validation steps to assist in your validation as well.

Program Performance

Every service that we perform will be recorded, so that you will have copies of all work orders, equipment logs, testing reports, and any applicable data.

Emergency Service

Our technicians and service staff are available to respond to your needs on a 24-hour basis.


Controlled Environment Rooms

Crosstown Mechanical, Inc. can provide a high performance environmental room to meet your most exacting specifications, as well as your budget. Using proven design concepts, we have delivered professional solutions to hundreds of commercial and research customers.

Products & Markets Served


Since our inception in 1979, Crosstown Mechanical, Inc. has worked with university, private, public, and agricultural researchers to design a controlled environmental room(s) to meet their needs. Crosstown Mechanical, Inc. is a prominent supplier and installer of equipment to Laboratory and R&D facilities.

Our environmental rooms are used by customers in pharmaceutical, biotechnology, paper & packaging, electronics, food products, nuclear, and personal care products industries. Typical applications include: Biomedical Research, Paper Testing Labs, Stability Testing, Industrial Quality Labs, Product Storage & Conditioning, Cyclic and Psychometric Testing, Entomological Researc, Archival Storage Facilities, Environmental Studies and Tissue Culturing

Crosstown Mechanical, Inc. has supplied and installed equipment in many university, government, and industrial lab facilities where consistent performance to the most demanding standards is required. Quality professionals turn to us for the strictest uniformity available. Try us out for yourself. Contact us with your requirements.

Below is a brief summary of some of the design parameters common in our rooms. With products ranging from small test chambers to 2500 ft 2 laboratories, and a wide range of control options, we can provide just the right environment for your work.

Contact us with your specifications.

DESIGN PARAMETERS

TEMPERATURE
LIGHTING
RELATIVE HUMIDITY
Controllable to any point within -40°C to +70°C range with uniformity to within ±0.3°C Standard rapid start, fluorescent fixtures. Optional lighting to provide customized spectral characteristics with intensities up to full sunlight RH from 10% to 95% controllable to ±2% with various humidification/ dehumidification options
CONTROL PANEL
GENERAL CONSTRUCTION
ACCESS
Includes all necessary devices for setting and changing chamber conditions for normal operations. Solid-state modular digital display of temperature and relative humidity.

Various mounting positions are available to suit your lab requirements. Optional computer network control systems can provide remote monitoring and control of multiple rooms from a single location
Prefabricated, modular sectional panels with walls, ceiling, and floor, cam locked in place.

Rigid urethane insulation, foamed in place Rooms can be built to blend with architectural features of new or existing facilities.

Benches, shelving, and other furnishings available to enhance utilization
Flush mounted door, secured and sealed at closure by soft compression plastic gasket with magnetic core along top and sides, rubber wiper gasket across bottom
MECHANICAL SYSTEMS
SAFETY CONTROLS & ALARMS
TESTING
Two phase direct expansion systems provide constant flow of refrigerant through coils with continuous mixing of liquid and hot gas phases.

Hermetic or semi-hermetic condensing units (water or air cooled) operating on constant load throughout chamber temperature range.

Redundant systems can be utilized to protect valuable contents Chilled water applications can take advantage of existing systems
Function upon room temperature deviation from set point and operate independently of the primary condition controllers. Audible and visual alarm system Factory testing of all functioning component assemblies. Acceptance tests are made by a factory field engineer, under supervision of user personnel, following a rigid test protocol. Chambers are commissioned only after satisfactory completion of this test program

 

PRODUCTS / EQUIPMENT SALES AND SERVICE / PLANNED MAINTENANCE

Some of the products we sell, service, and maintain are as follows:


Kendro
Thermo Electron
Nesslab
Thermo is the world leader in analytical instruments. Our instrument solutions enable our customers to make the world a healthier, cleaner and safer place. You may know us by many different names, but today, we go by Thermo Electron Corporation for laboratory, analytical, measurement and control instruments and software. One company, one name, one focus: Your success.


Harris
Puffer Hubbard
Harris ultra-low temperature -85°C storage freezers, Harris Cryostar®™ -150°C and -140°C cryogenic storage freezers, blood bank refrigerators, plasma and red cell freezers, Harris specialty freezers, inventory systems and accessories.

Puffer-Hubbard laboratory refrigerators, chromatography refrigerators, explosion-proof and flammable material storage freezers, general purpose -30°C laboratory freezers, inventory systems and accessories.


Norlake Scientific - Environmental / temp / humidity chambers
Nor-Lake, Incorporated is a leader in the design and manufactue of quality refrigeration products and services and is one of the most respected names in the refrigeration Industry.


Cincinatti Sub Zero - Ultra low temp freezers / ovens / test chambers
Today, CSZ is the customer-focused manufacturer of patient body, blood and fluid temperature control products for the healthcare market, a complete line of industrial environmental simulation testing chambers and a first-class, on-site testing laboratory.


Despatch - Ultra low temp freezers / ovens / test chambers
At Despatch Industries our mission is to be the world’s foremost provider of thermal processing and environmental simulation solutions. At Despatch, we: Strive to be the most innovative, valued and respected partner of the world’s leading companies, Attract and develop talented and committed people by creating a workplace where everyone contributes to our success, Act with the highest standards of integrity, treating employees and customers with respect, Encourage a spirit of measured risk-taking balanced with financial discipline, Embrace change and advance the state of the art by constantly asking: “Can we do it better?”


Sigma Systems - Hot and cold plate / thermal test chambers
For nearly 50 years, Sigma Systems Corporation has been leading the thermal testing environment industry manufacturing hot and cold plates and thermal testing chambers by listening to our customers.


Tenney - test chambers
Tenney also boasts one of the most comprehensive lines of compact test chambers in the industry. The Tenney Junior line of test chambers, ideally suited for the laboratory or any application where space constraints require a minimal footprint, can accommodate all your temperature, humidity, and altitude testing requirements. In addition, Tenney manufactures sub-Arctic freezers, and both welded and modular environmental rooms.