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    • Home  / Product Manuals & Documentation
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    Winland HA-III+ — Humid Alert Relative Humidity Sensor Specifications

    September 08, 2026 1 min read

    Winland Humid Alert HA-III+ — relative humidity monitoring accessory for EnviroAlert consoles, ideal for server rooms, greenhouses, kitchens, and storage areas.

    💾 Download Original PDF
    Full text manual (for reference)

    Specification sheet for the Winland Electronics Humid Alert HA-III+ — a relative humidity monitoring accessory for Winland EnviroAlert console systems, suitable for server rooms, residential spaces, commercial kitchens, basements/storage, schools, and greenhouses.

    Overview

    • Accessory for EnviroAlert consoles to monitor relative humidity
    • Maximum probe cable run: 1,000' (305m), using 22-18 AWG twisted pair wire
    • Includes terminal blocks, mounting screws, and instruction manual
    • Wire not included

    Specifications

    Power Requirements 12 VDC @ 10mA
    Sensing Range 5-95% RH ±5% @ 10-90% RH, 77°F (25°C)
    Sensing Element Capacitive / IC
    Response Time TC < 12 min
    Operating Temperature 32° to 122°F (0° to 50°C)
    Weight 5 oz (0.14 kg)
    Dimensions 3.25 x 1.5 x 1" (8.2 x 3.7 x 2.5 cm)
    Mounting Surface mount

    Compatible With

    • Winland EnviroAlert EA200-12
    • Winland EnviroAlert EA400-12
    • Winland EnviroAlert EA800
    • Winland EnviroAlert EA800-IP

    Source: Winland Electronics, HA-III+ Specification Sheet (Doc. HA-III+:10172012). www.winland.com | 800-635-4269 | 507-625-7231