Howell Labs: Home page

Howell Laboratories, Inc.
P. O. Box 389, 188 Harrison Rd., Bridgton Maine 04009 USA
(207) 647-3327 (888) 744-8359 FAX (207) 647-8273 contracts@howelllabs.com

- An Employee-Owned Company -
Certified to ISO 9001:2000

HLI News
New contract: 7600 ECOLCELL Chlorinators for DDG-113 and follow ships.
[More]
New Products
Portable seawater chlorinator: Port-A-Chlor 8600.
[More]
Upgraded medium-pressure air dehydrator, Model 8785, to replace our obsolete Model 7053.
Call now for more information
Customized potable water treatment systems for Iraqi 35m patrol boats ...
... or for your application!
Call now for more information
Around the World
January 2010:
HLI supporting relief efforts in Haiti
At HLI
September 2008: David Douglas joins HLI as Director of Sales, Marine Products.

Technical Sheets

How-Tos for Howell Labs Products

Membrane Air Dehydrators:

Demonstrating alarm function in our Model 6995 membrane air dehydrator
Replacement of a membrane element in our Model 6995 membrane dehydrator
Replacement of obsolete 7001-G501 membrane with upgraded 7001-G501 membrane in 6995 dehydrators
Installation of Model 6995 membrane dehydrator in place of our Model 4737 desiccant dehydrator
Installation of Model 6995 membrane dehydrator in place of our Model 5725 or Air Dry Model 10390-30 desiccant dehydrator
Conversion of a 7050 Mk I membrane dehydrator to a 6995 Mk II (221 kB)
Calibrating a humidity alarm 4-20 mA output circuit in our Model 6995 Mk IA membrane air dehydrator
Replacing a humidity alarm controller with a 7006-G503 dew point alarm controller in our Model 6995 Mk IA membrane air dehydrator
Calibrating a Model 7006-G503 dew point alarm system in our Model 6995 Mk IA membrane air dehydrator

Other Air Dehydrators:

Replacement of the adjusting knob on a Clarostat dew point alarm potentiometer
Replacement of the Fenwal temperature controller with a United Electric Controls unit (P/N 7486) in a Model 7053 450-psig air dehydrator
Replacement of the Fenwal temperature indicator/alarm switch with a United Electric Controls unit (P/N 6200) in a Model 5295 (all versions) condenser/filter air dehydrator
Replacement of obsolete 7169-G501 membrane with 8501-G501 membrane in 7162 Mark I dehydrator (223 kB)

Electrolytic Disinfectant Generators:

Upgrade of P/N 7465-G501 electrolytic cell in a Model 7060 MEDG
Upgrade of a 7060 Mk III MEDG (868 kB)
Upgrade of a 7060 Mk I MEDG (904 kB)
Upgrade of a 7060 Mk II MEDG in accordance with SCD 2128 (853 kB)
Replacement of a P/N 7349 flowmeter in a Model 7060 MEDG

Other Products:

Upgrading the sensor in a dew point monitor system, Models 4870, 6995, 7148
Calibrating a P/N 7006-G503 dew point monitor (374 kB)
Upgrade of Model 4870 air control panel with new dew point alarm controller
Last updated: 03/29/10
Webmaster: Al Friend
© 2008-2010 Howell Laboratories, Inc. All rights reserved.
 Get Acrobat Reader (free download)