Voltage Voltage |
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Wire Connection Type Wire Connection Type |
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For Use With For Use With |
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Mounting Location Mounting Location |
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Actuation Point Adjustability Actuation Point Adjustability |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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For Area For Area |
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Overall Width Overall Width |
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Housing Material Housing Material |
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Desiccant Material Desiccant Material |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Panel-Mount Humidity Controllers
The sensor monitors relative humidity and triggers the controller to turn equipment on or off. Sensor and controller are sold separately.
Controller is SPDT (single pole, double throw). It can be set to turn one circuit from off to on (normally open) or from on to off (normally closed). Set the actuation point with the keypad.

Relative Humidity | |||||||||||
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Range | Accuracy | Max. Operating Temp., °F | Wire Connection Type | Wire Lead Lg. | Cable Lg., ft. | Ht. | Wd. | Housing Material | Fasteners Included | Each | |
20% to 90% | ±5% | 122° | Wire Leads | 1/16" | 4 | 2 3/8" | 31/32" | Plastic | No | 00000000 | 000000 |

Relative Humidity | For Panel Cutout | No. of | ||||||||||||
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Range | Accuracy | Max. Operating Temp., °F | Ht. | Wd. | Actuation Points | Circuits Controlled | Wire Connection Type | Voltage | Ht. | Wd. | Dp. | Housing Material | Each | |
10% to 100% | ±1% | 158° | 1 9/64" | 2 13/16" | 2 | 1 | Screw Terminals | 120V AC | 1 11/32" | 3" | 2 3/8" | Plastic | 00000000 | 0000000 |
Enclosure Humidistats


Reduce the humidity in your enclosure to prevent condensation that can cause corrosion and short circuits. These humidistats switch your heater on when the enclosure reaches the relative humidity setting. Once the humidity falls by 5%, the heater switches off. To install, clip humidistats to a DIN rail.
Nonadjustable humidistats work for most applications. They keep humidity below 65%, which is when condensation is most likely to form. Since they aren’t adjustable, the humidity setting can’t be tampered with or accidentally changed. For critical components, use adjustable humidistats to set the relative humidity you need in your enclosure. Use a lower humidity setting in damp environments and places with frequent temperature changes. Condensation is more likely in these situations.
CSA Certified, CSA-US Certified, CE Marked, and VDE Certified, these humidistats meet American, Canadian, and European safety standards. They also meet UL 94 V-0, so if they catch fire, they self-extinguish within 10 seconds and won’t spread the fire by dripping.
Relative Humidity | Overall | |||||||||||
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Setting | Difference | Tolerance | Voltage | Current, A | For DIN Rail Height, mm | Height | Width | Depth | Environmental Rating | Specifications Met | Each | |
Nonadjustable | ||||||||||||
65% | 5% | ±1% | 120V AC | 16 | 35 | 2 1/2" | 1 5/8" | 1 1/2" | IP20 | CE Marked; VDE Certified; CSA Certified; CSA-US Certified; UL 94 V-0 | 0000000 | 000000 |
65% | 5% | ±1% | 240V AC | 16 | 35 | 2 1/2" | 1 5/8" | 1 1/2" | IP20 | CE Marked; VDE Certified; CSA Certified; CSA-US Certified; UL 94 V-0 | 0000000 | 00000 |
Adjustable | ||||||||||||
40% to 90% | 5% | ±1% | 120V AC | 16 | 35 | 2 1/2" | 1 5/8" | 1 1/2" | IP20 | CE Marked; VDE Certified; CSA Certified; CSA-US Certified; UL 94 V-0 | 0000000 | 00000 |
40% to 90% | 5% | ±1% | 240V AC | 16 | 35 | 2 1/2" | 1 5/8" | 1 1/2" | IP20 | CE Marked; VDE Certified; CSA Certified; CSA-US Certified; UL 94 V-0 | 0000000 | 00000 |
Humidistats


Turn the dial to control humidity equipment.
Humidistats for humidifiers and dehumidifiers mount to a surface-mount outlet box.
Overall | |||||||||||
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Voltage | Current | Relative Humidity | Switch Type | Color | Ht. | Wd. | Dp. | Mounting Location | Mounting Fasteners Included | Each | |
For Humidifiers | |||||||||||
24V AC-30V AC | 1A | 10-75% | SPDT | White | 3" | 4 3/4" | 1 3/4" | Duct, Wall | Yes | 0000000 | 000000 |
For Humidifiers and Dehumidifiers | |||||||||||
120V AC/208V AC/240V AC | 6A/3.5A/3A | 0-70% | SPDT | Beige | 4 3/4" | 3" | 3" | Outlet Box | Yes | 0000000 | 000000 |
Humidifiers

Connect this humidifier to a water supply, and an electrical heater boils water to generate steam. This humidifier releases humidity directly into a room or connects to a duct.
Overall | For Duct | For Water Supply Line Tubing | |||||||||||||||
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Output Capacity, gal./day | For Area, cu. ft. | Ht. | Wd. | Dp. | Wd. | Ht. | Size | Material | Housing Material | Voltage | Current | Plug Type | Cord Lg., ft. | Mounting Hardware Included | Specifications Met | Each | |
13 | 11,300 | 19" | 13" | 18 1/2" | 12" | 12" | 1/4" | Copper | Stainless Steel | 120V AC | 14A | Three Prong | 5 | Yes | UL Listed | 0000000 | 000000000 |
Duct-Mount Humidifiers

Attach to your forced-air system return duct or mount through a wall to release humidity directly into a room. This humidifier spins water at high speeds to produce a fine atomized mist that rapidly evaporates.
Overall | For Water Supply Line Tubing | ||||||||||||
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Output Capacity, gal./day | For Area, cu. ft. | Dia. | Ht. | Size | Material | Drain Tubing ID | Housing Material | Electrical Connection Type | Voltage | Current | Mounting Hardware Included | Each | |
6 | 7,000 | 10 1/2" | 12" | 1/4" | Copper | 1/2" | Plastic | Hardwire | 120V AC | 0.4A | Yes | 0000000 | 0000000 |
Wall-Mount Humidifiers

Connect this humidifier to a water supply, and an electrical heater boils water to generate steam. A built-in blower distributes humidity directly into a room.
Requires a humidistat (not included).
Overall | For Water Supply Line Tubing | Housing | |||||||||||
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Output Capacity | For Area | Ht. | Wd. | Dp. | Size | Material | Material | Color | Electrical Connection Type | Current | Specifications Met | Each | |
11.5 gal./day @ 120 V AC 23 gal./day@ 208 V AC to 240 V AC | 16,000 cu. ft. @ 120 V AC 32,000 cu. ft. @ 208 V AC to 240 V AC | 21 3/8" | 11 3/8" | 6 7/8" | 1/4" | Copper | Plastic | Gray, White | Hardwire | 12.7A | UL Listed | 0000000 | 000000000 |
Large-Space Office Humidifiers

With an output capacity that's six times the output of our standard office humidifiers, this humidifier adds cool moisture to the air in a larger area. Fill the reservoir with water as necessary to reach daily output.
Overall | |||||||||||||
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Output Capacity, gal./day | For Area, cu. ft. | Reservoir Capacity, gal. | Ht. | Wd. | Dp. | Housing Material | Voltage | Current | Plug Type | Cord Lg., ft. | Specifications Met | Each | |
12 | 21,600 | 3 1/2 | 20 1/2" | 21 1/2" | 14 1/2" | Plastic | 120 V AC | 0.8A | Two Prong | 5 | ETL Listed | 0000000 | 0000000 |
Office Humidifiers

Add fine moisture to the air. Fill the reservoir with water as necessary to reach daily output.
Overall | |||||||||||||
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Output Capacity, gal./day | For Area, cu. ft. | Reservoir Capacity, gal. | Ht. | Wd. | Dp. | Housing Material | Voltage | Current | Plug Type | Cord Lg., ft. | Specifications Met | Each | |
2 | 6,000 | 1 1/4 | 12 1/2" | 9 1/2" | 10" | Plastic | 120V AC | 0.3A | Two Prong | 5 | ETL Listed | 0000000 | 000000 |
Dehumidifying Cabinets
Store and protect 3D printer filaments, optical equipment, and other sensitive material in a humidity-controlled environment. Also known as dry boxes and desiccator cabinets, these cabinets prevent moisture-sensitive 3D printer filaments, such as nylon, ABS, and polycarbonate, from becoming brittle, discolored, or broken. They also keep sensitive electrical and optical equipment, such as microscopes and lenses, free from mold and fungus. Their moisture-absorbing desiccants recharge automatically, so you don't have to remember to charge them yourself or worry about the humidity rising unintentionally.
Standard cabinets are sized to store small equipment, such as flasks and lenses, as well as small filament spools. The desiccants recharge every 20 minutes to keep relative humidity below 30%. Although you cannot set the humidity to a specific level, a humidity meter on the door lets you check the reading.
Designed with 3D printing in mind, cabinets with filament feed ports are large enough to hold up to four 12"-dia. filament spools. They also have four filament feed ports, so you can keep filament dry while still feeding a printer, ensuring the filament doesn't go bad in the middle of a longer job. These cabinets can lower relative humidity to less than 20%; set and monitor the level using the analog display.

Overall | Shelf | ||||||||||||
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Ht. | Wd. | Dp. | Cap., lbs. | Type (No. of) | Cap., lbs. | Ctr.-to-Ctr. Adjustments | Relative Humidity | Desiccant Material | Material | Plug Type | Cord Lg., ft. | Each | |
Assembled | |||||||||||||
12 1/2" | 13 1/2" | 16 1/2" | 80 | Adjustable (2) | 40 | 4" | <30% | Silica Gel | Plastic | Two Prong | 8 | 0000000 | 000000000 |
20 1/2" | 13 1/2" | 16 1/2" | 120 | Adjustable (3) | 40 | 4" | <30% | Silica Gel | Plastic | Two Prong | 8 | 0000000 | 00000000 |



Overall | Shelf | |||||||||||||||
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Ht. | Wd. | Dp. | Cap. | Type (No. of) | Cap. | Ctr.-to-Ctr. Adjustments | Relative Humidity | Desiccant Material | For Filament Dia., mm | Material | Window Material | Plug Type | Cord Lg., ft. | Features | Each | |
Assembled | ||||||||||||||||
21 7/8" | 15 3/4" | 16" | Not Rated | Adjustable (1) | Not Rated | 1" | <20% | Aluminosilicate | 1.75-4.76 | Painted Steel | Glass | Two Prong | 6 | Analog Humidity Control and Display | 0000000 | 0000000 |
Dehumidifiers


Use for more demanding jobs such as water damage restoration work.
Removal capacity is based on 80° F and 60% relative humidity.
Overall | Drain Hose | ||||||||||||||
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Removal Capacity, gal./day | Ht. | Wd. | Dp. | Housing Material | No. of Speeds | Voltage | Current | Plug Type | Cord Lg., ft. | Included | Lg., ft. | Temp. Range, °F | Specifications Met | Each | |
8 | 29" | 20" | 19 1/2" | Plastic | One | 120V AC | 6.4A | Three Prong | 25 | Yes | 40 | 35° to 100° | UL Listed | 0000000 | 000000000 |
13 | 44" | 25" | 22" | Powder-Coated Steel | Two | 120V AC | 8A | Three Prong | 25 | Yes | 25 | 35° to 105° | __ | 0000000 | 00000000 |
Replacement Filters for 8 gal./day Removal Capacity | 0000000 | Each | 000000 |
Rechargeable Small-Space Dehumidifiers

Place these dehumidifiers in small spaces to protect moisture-sensitive materials such as photo lenses or 3D printing filaments. They absorb moisture with a silica gel that changes color, letting you know when they’re saturated. While they don’t need a battery or power cord during use, you do plug them in to dry them out—unlike other desiccants, they don’t require an oven.
Office Dehumidifiers

A reservoir collects moisture from the air. Empty the reservoir when full or drain directly through a garden hose.
Removal capacity is based on 65° F and 60% relative humidity.
Dehumidifiers cannot be sold to the listed areas due to chemical regulations.
Overall | Drain Hose | ||||||||||||||||
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Removal Capacity, gal./day | Reservoir Capacity, gal. | Ht. | Wd. | Dp. | Housing Material | No. of Speeds | Voltage | Current | Plug Type | Cord Lg., ft. | Included | Connection Size | Temp. Range, °F | Specifications Met | Cannot Be Sold To | Each | |
2 3/4 | 3/4 | 19 11/16" | 15 3/16" | 10 1/4" | Plastic | Two | 120V AC | 2.2A | Three Prong | 6 | No | 3/4 | 41° to 90° | C-UL Listed, UL Listed | CA | 0000000 | 0000000 |
4 1/2 | 1 1/2 | 24 1/4" | 15 7/16" | 11 1/8" | Plastic | Two | 120V AC | 3.3A | Three Prong | 6 | No | 3/4 | 41° to 90° | C-UL Listed, UL Listed | CA | 0000000 | 000000 |
6 | 1 1/2 | 24 1/4" | 15 7/16" | 11 1/8" | Plastic | Two | 120V AC | 4.8A | Three Prong | 6 | No | 3/4 | 41° to 90° | C-UL Listed, UL Listed | CA | 0000000 | 000000 |
Small-Space Office Dehumidifiers

Warm the air in small rooms to reduce humidity.
For Area, cu. ft. | Overall Wd. | Housing Material | Voltage | Current | Plug Type | Cord Lg., ft. | Specifications Met | Mounting Hardware Included | Each | |
95 | 18" | Aluminum | 120V AC | 0.1 A | Two Prong | 10 | UL Listed | Yes | 0000000 | 000000 |
130 | 24" | Aluminum | 120V AC | 0.1 A | Two Prong | 10 | UL Listed | Yes | 0000000 | 00000 |
190 | 36" | Aluminum | 120V AC | 0.2 A | Two Prong | 10 | UL Listed | Yes | 0000000 | 00000 |
320 | 48" | Aluminum | 120V AC | 0.3 A | Two Prong | 10 | UL Listed | Yes | 0000000 | 00000 |
Desiccant Bags

Remove moisture from sealed containers during shipping and storage.
These desiccants are best when relative humidity is at least 40%. The area covered is calculated at 77° F and 40% relative humidity.
Small Pack | Large Pack | ||||||||||
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For Area, cu. in. | Removal Capacity | Lg. | Wd. | Wt., oz. | Bag Material | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | ||
Silica Gel | |||||||||||
6 | Up to 32% of desiccant weight | 1 3/8" | 3/4" | 0.04 | Tyvek | 10 | 0000000 | 00000 | 1,000 | 0000000 | 000000 |
24 | Up to 32% of desiccant weight | 1 3/4" | 1" | 0.11 | Tyvek | 10 | 0000000 | 0000 | 400 | 0000000 | 00000 |
235 | Up to 32% of desiccant weight | 2 3/4" | 1" | 0.21 | Tyvek | 10 | 0000000 | 0000 | 250 | 0000000 | 00000 |
1,425 | Up to 32% of desiccant weight | 6" | 1 1/2" | 1 | Tyvek | 5 | 0000000 | 0000 | 300 | 0000000 | 000000 |
2,850 | Up to 32% of desiccant weight | 6" | 5" | 2 | Tyvek | 5 | 0000000 | 00000 | 150 | 0000000 | 000000 |
5,700 | Up to 32% of desiccant weight | 7 1/8" | 5" | 4 | Tyvek | 2 | 0000000 | 00000 | 100 | 0000000 | 000000 |
11,425 | Up to 32% of desiccant weight | 8 1/2" | 5" | 8 | Tyvek | 2 | 0000000 | 00000 | 50 | 0000000 | 000000 |
22,850 | Up to 32% of desiccant weight | 9 1/4" | 7 1/2" | 16 | Tyvek | 1 | 0000000 | 00000 | 30 | 0000000 | 000000 |
Indicating Desiccant Bags

Know when it's time to change these desiccants—they turn from blue to pink after absorbing 8% of their weight. Use to remove moisture from sealed containers during shipping and storage.
These desiccants are best when relative humidity is at least 40%. The area covered is calculated at 77° F and 40% relative humidity.
The bags have a monitoring window to check for desiccant color change.
Small Pack | Large Pack | ||||||||||
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For Area, cu. in. | Removal Capacity | Lg. | Wd. | Wt., oz. | Bag Material | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | ||
Silica Gel | |||||||||||
6 | Up to 30% of desiccant weight | 1 3/8" | 7/8" | 0.04 | Tyvek | 10 | 0000000 | 00000 | 1,000 | 0000000 | 0000000 |
18 | Up to 30% of desiccant weight | 1 3/4" | 1" | 0.11 | Tyvek | 10 | 0000000 | 0000 | 400 | 0000000 | 00000 |
36 | Up to 30% of desiccant weight | 2 5/8" | 1" | 0.21 | Tyvek | 10 | 0000000 | 0000 | 300 | 0000000 | 00000 |
85 | Up to 30% of desiccant weight | 3 1/8" | 1 1/2" | 0.5 | Tyvek | 10 | 0000000 | 00000 | 115 | 0000000 | 00000 |