Data Sheet

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HIH-4030/31 Series

Humidity Sensors

DESCRIPTION

Honeywell has expanded our HIH Series to include an SMD

(Surface Mount Device) product line: the new HIH 4030/4031.

The HIH 4030/4031 complements our existing line of non-SMD

humidity sensors. SMD packaging on tape and reel allows for

use in high volume, automated pick and place manufacturing,

eliminating lead misalignment to printed circuit board through-

hole.

The HIH-4030/4031 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-4030/4031 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-4030/4031 Series delivers instrumentation-quality RH

(Relative Humidity) sensing performance in a competitively

priced, solderable SMD.

The HIH-4030 is a covered integrated circuit humidity sensor.

The HIH-4031 is a covered, condensation-resistant, integrated

circuit humidity sensor that is factory-fitted with a hydrophobic

filter allowing it to be used in condensing environments

including industrial, medical and commercial applications.

The RH sensor uses 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

condensation, dust, dirt, oils and common environmental

chemicals.

Sample packs are available. See order guide.

FEATURES

• Tape and reel packaging allows for use in high volume pick

and place manufacturing (1,000 units per tape and reel)

• 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-4030/31 Series Humidity Sensors DESCRIPTION The HIH-4030/4031 Series delivers instrumentation-quality RH Honeywell has expanded our HIH Series to include an SMD (Relative Humidity) sensing performance in a competitively (Surface Mount Device) product line: the new HIH 4030/4031. priced, solderable SMD. The HIH 4030/4031 complements our existing line of non-SMD humidity sensors. SMD packaging on tape and reel allows for The HIH-4030 is a covered integrated circuit humidity sensor.
PAGE 2
HIH-4030/31 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) -3.5 – +3.5 % RH Hysterisis 3 % RH – – Repeatability ±0.5 % RH – – Settling time 70 ms – – Response time (1/e in slow moving air) 5 s – – Stability (at 50% RH in a year) ±1.
PAGE 3
Humidity Sensors FIGURE 1. OPERATING ENVIRONMENT (Non-condensing environment for HIH-4030 catalog listings only.) FIGURE 2. STORAGE ENVIRONMENT (Non-condensing environment for HIH-4030 catalog listings only.
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HIH-4030/31 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-4030 MOUNTING DIMENSIONS (For reference only.
PAGE 6
HIH-4030/31 Series FIGURE 6. HIH-4031 MOUNTING DIMENSIONS (For reference only. mm/[in]) FIGURE 7. HIH-4031 PCB LANDING PATTERN (For reference only. mm/[in]) 6 www.honeywell.
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Humidity Sensors FIGURE 8. TAPE AND REEL DIMENSIONS (For reference only. mm/[in]) 3,99 [0.157] DIA. 1,50 [0.059] 2,01 [0.079] 2,64 [0.104] 1,75 [0.069] 3,91 [0.154] 11,51 [0.453] 24,00 [0.945] 2,64 [0.076] 22,25 [0.876] DIA. 1,50 [0.059] 8,00 [0.315] 0,343 [0.0135] FIGURE 9.
PAGE 8
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.