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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.

Parts for Model 7149 Mk II
Dew Point Monitor/Alarm

NOTE: This list does not include hardware items such as bolts, nuts, washers, and O-rings. The manufacturer uses stainless steel hardware in standard U. S. sizes, and MIL-SPEC O-rings.
Howell Laboratories, Inc. is CAGE 22501.

HLI Designation: 7149 Mk II
HLI Drawing No. 7149
Electrical Schematic: 7243
Technical Manual TM7149-MII-00

Part Description NSN HLI Part No. Quantity per Unit

Frame

7234-G501 1

Electrical Panel Assembly

7006-G502 1
Lamp-Test Switch 5930-01-285-6665 3917-03 1
Lamp, Red 6210-01-280-3356 3907-G503 1
Lamp, White 6210-01-170-7327 3907-G501 1
Lamp Bulb 3907-06 4 ref
Toggle Switch 5930-00-642-9188 3042-02 2
Switchplate 3042-03 2
Circuit Board, Humidity Alarm 4994-G502 1
Transformer 4863-01 2
Fuse 3043-12 2
Flasher 5945-01-193-0058 4901 1
Potentiometer 4705-04-2 1
Potentiometer Dial 4705-04-1 1
Dew Point Meter with Label 5639-G502 1
EMI Filter 6777-01 1
Audible Alarm 6797-01 1
Resistor RCR42G682JS 1

Humidity Sensor Housing Assembly

7242-G501 1
Sensor Housing 7219-01 1
Dew Point Sample Valve 7218-01 1
O-Ring (under dew point sample valve) 5330-00-167-5172 M83248/2-904 ref
O-Ring (dew point sample valve outlet) 5330-00-166-1081 M83248/2-011 ref
Blank Tailpiece 5170 1
Humidity Sensor 3905-G504 1
O-Ring (under humidity sensor) M83248/2-116 ref
Plug, Sensor 7220-02 1
O-Ring (under sensor plug) M83248/2-116 ref
Sensor Protector 55950-2 ref
Inlet Fitting, 3/8" x 1/2" 37° Flare 1
Outlet Fitting, 3/8" x 1/2" 37° Swivel Flare 1
O-Ring (under inlet & outlet fittings) M83248/2-906 ref

Last updated: 10/07/09
Webmaster: Al Friend
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