NESLAB ThermoFlex™900
Recirculating Chiller
Delivers continuous cooling capacity
up to 900 watts
Product Specifications
Reliable, easy-to-use chillers
optimized for the most demanding
applications
Chilling Performance
Ideal for diverse applications
within the following markets:
• Analytical instrumentation
• Laser
• Medical equipment
• Packaging
• Research
• University
High Reliability
You can expect years of consistent operation
from the NESLAB ThermoFlex 900 recirculating
chiller. The unit features a robust refrigeration
system designed for continuous use in a
variety of installations. The recirculation
system incorporates highly reliable plumbing
connections to eliminate leaks. Integrated air
and fluid filters minimize wear to mechanical
parts, which lowers lifetime maintenance
costs and improves system reliability.
Superior Performance
ThermoFlex 900 chillers offer up to 10%
greater cooling capacity than comparable
units. The breadth of available options allows
you to optimize chiller performance based on
your application requirements. These chillers
also have improved noise quality ensuring a
pleasant work environment.
Easy to Use
The quick-start guide enables trouble-free
system start up. Snap in-and-out air and
fluid filters promote quick and simple
maintenance. The innovative recirculation
system includes an integrated funnel and
visual indicator for operator convenience. An
intuitive controller allows customer-defined
alarms to be set for various parameters,
ensuring your process is always in control.
Configurable to Meet Application Needs
The NESLAB ThermoFlex 900 recirculating
chiller can be configured with a variety of
plug & play options. The result is a reliable,
easy-to-maintain, high performance unit that
can be optimized for the most demanding
cooling applications.
Analyze • Detect • Measure • Control
TM
NESLAB ThermoFlex™900 Specifications
Product Specfications
Setpoint Temperature Range 5°C - 40°C
Ambient Temperature Range 10°C - 40°C
Temperature Stability +/- 0.1°C
Setpoint Cooling Capacity at 20°C (see graph below for cooling curves)
60 Hz 900W (3072 BTU)
50 Hz 750W (2560 BTU)
Reservoir Volume
Gallons 1.9
Liters 7.6
Footprint or dimensions (HxWxD)
Inches 27.4 x 14.2 x 24.7
cm 69.6 x 36.1 x 62.7
Unit Weight
lb 126
kg 57.2
Pumps (see graph below for performance curves)
PD 1 - Positive Displacement
60 Hz 2.1 gpm @ 60 psi
50 Hz 1.7 gpm @ 60 psi
PD 2 - Positive Displacement
60 Hz 4.1 gpm @ 60 psi
50 Hz 3.3 gpm @ 60 psi
Power options
Option 1 100V/50Hz/1 Phase 15A Circuit
Option 2 100V/60Hz/1 Phase 15A Circuit
Option 3 115V/60Hz/1 Phase 15A Circuit
Option 4 208-230V/60Hz/1 Phase 15A Circuit
Option 5 230V/50Hz/1 Phase Amp 16A Circuit
Compliance NRTL Certified to CSA and
41°F - 104°F
50°F - 104°F
UL Standards; CE-Marked
Cooling Capacity Pumping Capacity
Specifications obtained at sea level using water as the recirculating fluid, at a 20°C process setpoint, 25°C ambient condition, at nominal
operating voltage. Other fluids, fluid temperatures, ambient temperatures, altitude or operating voltages will affect performance. Thermo Electron
reserves the right to change specifications without notice. Pump performance results obtained with no restrictions on return to the system.
Power Button
Controller Display
Circuit Breaker
Integrated Funnel
Level Indicator
Removable Grill
Integrated
Air Filter
Locking Casters
Options
Feature Benefit
Auxiliary Port
Process Fluid
Outlet
Process Fluid
Inlet
Unit Drain
Power
Receptacle
Auto refill Allows for self-filling of the chiller to ensure that the proper level in reservoir is maintained,
saving valuable time.
Anti-drainback Ensures reservoir does not overflow when chiller is shut down. This allows the chiller to be
installed more than 24 ft. below the application.
DI resistivity internal DI filtration internal to the chiller is used to maintain the resistivity level below 3 Mohm, with
an alarm at 1 Mohm. This minimizes footprint and eliminates downtime needed to change
the filter, while ensuring constant quality of DI water to your application.
Pressure relief Easily adjustable pressure relief valve allows for control of the outlet pressure from the
chiller to be regulated, ensuring your process performance requirements are met.
Flow Control Utilizes a 3-way valve that allows you to control the amount of flow to the application. The
process flow is measured on the return to the unit, ensuring the appropriate amount of flow
is provided to the application.
Pressure/Flow Control Allows you to control the pressure as well as the flow in your application. Utilizes a pressure
relief valve and monitors the flow through the process return and displays the reading on the
controller.
Accessories
Feature Details
Installation Kit Supply and return plumbing available in 25 and 50 ft lengths, suitable for temperatures up to
+80°C.
Fluid Quality Kit Complete fluid quality system includes algaecide and corrosion inhibitor to ensure your process
has optimal fluid quality.
Ethylene Glycol Laboratory-grade ethylene glycol allows circulation to temperatures down to -20°C in a 50/50
mixture with water. Available in a 5 gallon container.
Propylene Glycol Laboratory-grade propylene glycol allows circulation to temperatures down to -20°C in a 50/50
mixture with water. Available in a 5 gallon container.
Maintenance Kit Includes condenser air filters and in-line fluid filters for ease of maintenance.
About Thermo
Thermo Electron Corporation has a well-established reputation in temperature control through its NESLAB and HAAKE product
lines. Formerly independent companies, NESLAB and HAAKE have joined forces within Thermo to provide proven temperature
control technology along with global service and support. With over 75 years of extensive industry experience, we have the
technical expertise and resources to support your specific application.
USA HEADQUARTERS
25 Nimble Hill Rd.
Newington, NH 03801
Tel. 800 258 0830
info.tc.us@thermo.com
Benelux
Takkebijsters 1
NL-4817 Breda
Tel. +31 (0) 76 5 87 98 88
info.tc.nl@thermo.com
China
Bldg 6, No. 27, Xin Jinqiao Rd
Jinqiao Export Zone, Pudong
Shanghai 201206
Tel. +86 (21) 68 65 45 88
info.china@thermo.com
France
16 Avenue du Québec - Silic 765
91963 Courtaboeuf Cedex
Tel. +33 (0) 1 60 92 48 00
info.tc.fr@thermo.com
www.thermo.com/thermoflex
Germany
Dieselstr. 4
76227 Karlsruhe
Tel. +49 (0) 721 4 09 44 44
info.tc.de@thermo.com
India
415 City Point
193 Dhole, Patil Road
Pune 411001
Tel +91 20 56 01 12 45
info.pid.in@thermo.com
United Kingdom
Unit 5, The Ringway Centre
Basingstoke, Hampshire
Rg21 6YH
Tel. +44 (0) 870 609 9254
info.tc.uk@thermo.com
© 2006 Thermo Electron Corporation. All rights reserved. Results may vary under different operating conditions. Specifications, terms and pricing
are subject to change. Not all products are available in all countries. Please consult your local sales representative for details. Thermo Electron
Corporation, Question everything, ThermoFlex, and Analyze. Detect. Measure. Control are trademarks of Thermo Electron Corporation.
PSTHERMOFLEX900V1.0E04/06TC
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