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

New Products
Enhanced dew point hygrometer, Model HLI9000, for repeatable, fast, accurate moisture measurement in the field.
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Portable electrolytic chlorine generator (PECG): Port-A-Chlor 8600.
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Technical Sheets

How-Tos for Howell Labs Products

Membrane Air Dehydrators:

Conversion of 6995 Mk II to 6995 Mk III dehydrator
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 (225 kB)
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 membrane air dehydrator (374 kB)

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 (183 kB)

Electrolytic Disinfectant Generators:

Upgrade of P/N 7465-G501 electrolytic cell in a Model 7060 MEDG
Upgrade of a 7060 Mk I MEDG (904 kB)
Upgrade of a 7060 Mk II MEDG in accordance with SCD 2128 (853 kB)
Upgrade of a 7060 Mk III MEDG (888 kB)
Replacement of a P/N 7349 flowmeter in a Model 7060 MEDG

Other Products:

Note regarding test push button switch on 5250 low-pressure frost point indicator
Upgrading the sensor in a dew point monitor system, Models 4870, 6995, 7148 (116 kB)
Calibrating a P/N 7006-G503 dew point monitor (374 kB)
Upgrade of Model 4870 air control panel with new dew point alarm controller (217 kB)
Last updated: 08/18/11
Webmaster: Al Friend
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