Data Sheet

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HIH-4010/4020/4021

Series

Humidity Sensors

DESCRIPTION

The HIH-40104020/4021 Series Humidity Sensors are

designed specifically for high volume OEM (Original Equipment

Manufacturer) users.

Direct input to a controller or other device is made possible by

this sensor’s near linear voltage output. With a typical current

draw of only 200 µA, the HIH-4010/4020/4021 Series is often

ideally suited for low drain, battery operated systems.

Tight sensor interchangeability reduces or eliminates OEM

production calibration costs. Individual sensor calibration data

is available.

The HIH-4010/4020/4021 Series delivers instrumentation-

quality RH (Relative Humidity) sensing performance in a

competitively priced, solderable SIP (Single In-line Package).

The HIH-4010 is an uncovered integrated humidity sensor, the

HIH-4020 is a covered integrated circuit humidity sensor, and

the HIH-4021 is a covered, condensation-resistant, integrated

circuit humidity sensor. All three products are available in two

lead space configurations.

The RH sensor is a laser trimmed, thermoset polymer

capacitive sensing element with on-chip integrated signal

conditioning.

The sensing element's multilayer construction provides

excellent resistance to most application hazards such as

wetting, dust, dirt, oils and common environmental chemicals.

Both products are available in two lead spacing configurations,

as well as with or without calibration and data printouts.

FEATURES

• Molded thermoset plastic housing

• Near linear voltage output vs %RH

• Laser trimmed interchangeability

• Low power design

• Enhanced accuracy

• Fast response time

• Stable, low drift performance

• Chemically resistant

POTENTIAL APPLICATIONS

• Refrigeration equipment

• HVAC (Heating, Ventilation and Air Conditioning)

equipment

• Medical equipment

• Drying

• Metrology

• Battery-powered systems

• OEM assemblies

Summary of content (8 pages)

PAGE 1
HIH-4010/4020/4021 Series Humidity Sensors DESCRIPTION The HIH-4010 is an uncovered integrated humidity sensor, the The HIH-40104020/4021 Series Humidity Sensors are HIH-4020 is a covered integrated circuit humidity sensor, and designed specifically for high volume OEM (Original Equipment the HIH-4021 is a covered, condensation-resistant, integrated Manufacturer) users. circuit humidity sensor. All three products are available in two lead space configurations.
PAGE 2
HIH-4010/4020/4021 Series TABLE 1. PERFORMANCE SPECIFICATIONS (At 5 Vdc supply and 25 ºC [77 ºF] unless otherwise noted.) Parameter Minimum Typical Maximum Unit Specific Note – – – 1 – – – – 2 3 4 – Interchangeability (first order curve) – – – – 0% RH to 59% RH -5 5 % RH – 60% RH to 100% RH -8 8 % RH – Accuracy (best fit straight line) % RH -3.5 – +3.5 Hysterisis 3 % RH – – Repeatability ±0.
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Humidity Sensors FIGURE 1. OPERATING ENVIRONMENT (Non-condensing environment for HIH-4010 and HIH-4020 catalog listings only.) Relative Humidity FIGURE 2. STORAGE ENVIRONMENT (Non-condensing environment for HIH-4010 and HIH-4020 catalog listings only.
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HIH-4010/4020/4021 Series FIGURE 3. TYPICAL OUTPUT VOLTAGE VS RELATIVE HUMIDITY (At 25 ºC and 5 V.) 4 3.5 Output Voltage (Vdc) 3 2.5 Sensor Response Sensor Response Best Linear Fit 2 1.5 1 0.5 0 20 40 60 80 100 Relative Humidity (%RH) FIGURE 4. TYPICAL OUTPUT VOLTAGE (BFSL) VS RELATIVE HUMIDITY (At 0 ºC, 70 ºC and 5 V.) 4.5 4 3.5 Output Voltage (Vdc) 3 2.5 0C 70 C 2 1.5 1 0.5 0 0 10 20 30 40 50 60 Relative Humidity (%) 4 www.honeywell.
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Humidity Sensors FIGURE 5. HIH-4010 MOUNTING DIMENSIONS (For reference only. mm/[in]) FIGURE 6. HIH-4020 MOUNTING DIMENSIONS (For reference only.
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HIH-4010/4020/4021 Series FIGURE 7. HIH-4021 MOUNTING DIMENSIONS (For reference only. mm/[in]) 6 www.honeywell.
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Humidity Sensors FIGURE 8. TYPICAL APPLICATION CIRCUIT ORDER GUIDE Catalog Listing HIH-4010-001 HIH-4010-002 HIH-4010-003 HIH-4010-004 HIH-4020-001 HIH-4020-002 HIH-4020-003 HIH-4020-004 HIH-4021-001 HIH-4021-002 HIH-4021-003 HIH-4021-004 Description Integrated circuit humidity sensor, 2,45 mm [0.100 in] lead pitch SIP Integrated circuit humidity sensor, 1.27 mm [0.050 in] lead pitch SIP Integrated circuit humidity sensor, 2,45 mm [0.
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WARNING WARNING MISUSE OF DOCUMENTATION • The information presented in this product sheet is for reference only. Do not use this document as a product installation guide. • Complete installation, operation, and maintenance information is provided in the instructions supplied with each product. Failure to comply with these instructions could result in death or serious injury. WARRANTY/REMEDY Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship.