Humidity Chamber

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Full-View Glass Door

The chamber features a multi-pane viewing door designed to prevent condensation while maintaining a clear view of the samples inside. Both inner and outer doors are sealed with high-quality silicone rubber gaskets, ensuring a tight, uniform seal for optimal performance and energy efficiency.

Introduction

A Humidity Chamber is a precision-engineered device designed to simulate a wide range of environmental conditions by controlling two critical parameters: temperature and relative humidity. These chambers play a vital role in the pharmaceutical industry, enabling stability testing of drugs and medicinal products to assess their shelf life, performance, and resistance to environmental variations.

Depending on the testing requirements, Humidity Chambers can be categorized into environmental chambers, temperature–humidity chambers, accelerated test chambers, photo-humidity chambers, and cold chambers. Each type is engineered to meet specific regulatory standards and ensure consistent, reproducible testing conditions for quality assurance and product validation.

Construction

Precision Fabrication

Manufactured using fully automatic CNC machines for accuracy, uniformity, and superior finish.

Robust Interior

The chamber interior is constructed from high-grade stainless steel (SS) with a smooth mirror or dull finish, ensuring corrosion resistance, hygiene, and long service life.

Durable Exterior Options

Available in stainless steel or GI with powder coating, providing structural stability and enhanced durability.

Illuminated Interior with Full-View Glass Door

Offers clear visibility of samples without disturbing the internal environment.

High-Quality Hinges & Latches

Heavy-duty components designed to maintain a long-lasting, uniform, and airtight seal.

Adjustable Stainless-Steel Shelves

Flexible and sturdy shelving enables accommodation of various sample sizes and ensures optimized chamber utilization.

Specifications

A Humidity Chamber is a high-precision testing system engineered to operate within strict tolerance limits, ensuring accurate and reproducible environmental conditions.

Temperature variation: Not more than ±2–3°C
Relative humidity variation: Not more than ±2–3% RH

Such stability makes the chamber ideal for pharmaceutical, industrial, and research applications where reliable environmental simulation is essential.

Features

Heavy-duty stainless-steel construction for long-lasting durability

Illuminated interior for clear visibility during operation

Multi-pane viewing door that eliminates condensation and provides uninterrupted observation

Heavy-duty electro-polished stainless steel perforated trays, easy to clean and fully adjustable for various sample sizes

Optional Features

Enhance the chamber’s performance and reliability with a range of optional systems:

Stand-by humidity system
Stand-by refrigeration system
Integrated scanner
GSM alert system for remote alarms
Security alarm system for enhanced safety and monitoring

Sizes

Models	Capacity (in Ltrs.)	Dimensions (W X D X H)		Max No. of Trays
		Internal Width X Depth X Height (mm)	External Width X Depth X Height (mm)
KGOS-90	90 LTR	450 X 450 X 450	600 X 1030 X 1060	2
KGOS-227	227 LTR	600 X 630 X 600	750 X 1210 X 1210	2
KGOS-325	325 LTR	600 X 630 X 900	750 X 1210 X 1510	5
KGOS-400	400 LTR	600 X 630 X 1060	750 X 1210 X 1670	6
KGOS-500	500 LTR	600 X 630 X 1330	750 X 1210 X 1940	8
KGOS-600	600 LTR	800 X 800 X 950	950 X 1380 X 1560	5
KGOS-800	800 LTR	800 X 800 X 1250	950 X 1380 X 1860	7
KGOS-1000	1000 LTR	800 X 800 X 1570	950 X 1380 X 2180	10

PID Controller Based

Microprocessor-Based PID Controller with Auto-Tuning Provides highly accurate and stable control of temperature and humidity, ensuring fast recovery and minimal deviation.

High-Precision Sensors

Rotronic 4–20 mA sensors for superior accuracy
Pt100 sensor for precise temperature measurement
Direct %RH capacitive sensing for reliable humidity monitoring

Data Storage & Transfer Built-in storage system allows recording and transfer of key parameters, including Date, Time, SV, PV, Door Open/Close status, Power On/Off events. Data can be printed directly or transferred to software for further analysis.

Safety & Protection

Temperature & Humidity High/Low Alarms

Very High / Very Low Temperature Cut-off

Low Water Level Cut-off

Temperature & RH deviation alarms

Power failure alarm

Continuous door-open alert

Auto changeover for RH generator & cooling system

21 CFR Part 11 Compliant Software

The system software fully complies with regulatory requirements for controlled environments:

Log data
Event records
Audit trails
Electronic records & e-signatures
Graphical analysis
Comprehensive data acquisition

Physical Safety Measures

Password-protected door access to prevent unauthorized operation

High-quality door hinges and latches ensuring long-term durability and a uniform, airtight seal

Inner and outer silicone rubber gaskets for maximum sealing efficacy.

Trays

Heavy-duty, solid electro-polished stainless steel wire mesh trays

Hygienic, easy-to-clean, and corrosion-resistant

Adjustable design to accommodate various product sizes

Saves time and effort during loading and maintenance.

HMI + PLC Controller Based

7″ HMI with TFT LCD Colour Touchscreen User-friendly interface with password protection for all parameters. Provides real-time monitoring of sensors, heating and cooling systems, and the humidity system.

High-Accuracy Rotronic 4–20 mA Sensors Ensures precise and stable measurement of environmental parameters.

Advanced PLC-Based Control

Auto-tuning PID for accurate temperature and humidity control
PLC-managed automatic changeover of standby systems for uninterrupted performance

Data Storage & Connectivity

Ethernet-based transfer for web-enabled remote monitoring
Supports data logging with Date, Time, SV, PV, Door Open/Close status, Power On/Off events
USB data transfer capability for offline data backup

Safety & Alert Systems

Temperature & Humidity High/Low Alarms

High/Low Temperature and Humidity Cut-off

Low Water Level Cut-off

Automatic Changeover for Standby Humidity & Cooling Systems

Password-Protected Door Access

Temperature & RH Deviation Alarms

Power Failure Alarm

Continuous Door-Open Alarm

Extreme Temperature & RH Cut-Off System