Explosion-Proof Constant Temperature And Humidity Chamber UN38.3

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Sinuo Testing Equipment Co. , Limited

City: guangzhou

Province/State:guangdong

Country/Region:china

Tel:86--13527656435

Contact Person:
Ms.Zoe Zou View Contact Details

Explosion-Proof Constant Temperature And Humidity Chamber UN38.3

Brand Name	Sinuo
Model Number	SN559-225L
Certification	Calibration Certificate(Cost Additional)
Place of Origin	China
Minimum Order Quantity	1
Price	Negotiable
Payment Terms	T/T
Supply Ability	10 Sets Per Month
Delivery Time	30 days
Packaging Details	plywood case
Temperature Range	-40℃→+150℃
Humidity Range	(20～98)% RH
Temperature Fluctuation	±0.5℃
Humidity Fluctuation	≤2.5%
Temperature Deviation	≤±2.0℃
Humidity Deviation	≤±3%
Heating Rate	-40℃→+150℃ ≥5℃/min
Cooling Rate	+150℃→-40℃ ≥5℃/min

Detailed Product Description

Explosion-Proof Constant Temperature And Humidity Chamber UN38.3

This Temperature and Humidity Test Chamber meets IEC62133, UN38.3, IEC60068-2-2:2007 standards. Designed for cold, heat, humidity, and dryness testing of electronics, electricians, electrical appliances, plastics, and other raw materials/devices to verify product reliability during storage and transportation under extreme temperature and humidity conditions.

Technical Specifications

Product Name	Explosion-Proof Constant Temperature and Humidity Chamber
Product Model	SN559-225L
Sample Restrictions	Prohibited: Flammable, explosive, or volatile substances Prohibited: Corrosive substances Prohibited: Biological samples Prohibited: Samples with strong electromagnetic emissions

Dimensions & Weight

Nominal Volume	225L
Internal Dimensions	W600 × D500 × H750mm
External Dimensions	W880 × D1500 × H1980mm
Weight	Approximately 480KG

Performance Parameters

Temperature Range	-40℃ to +150℃
Humidity Range	20% to 98% RH (at 20℃ to 85℃)
Temperature Fluctuation	±0.5℃
Humidity Fluctuation	≤2.5%
Heating/Cooling Rate	≥5℃/min (average)
Operating Noise	≤70 dB(A)
Heating Rate	-40℃→+150℃ ≥5℃/min (Average over the entire range)
Cooling Rate	+150℃→-40℃ ≥5℃/min (Average over the entire range)

Structural Features

Thermal Insulation

Outer wall: A3 steel plate with spray coating
Inner wall: Brushed stainless steel plate SUS#304
Box insulation: 100mm high-temperature-resistant rigid polyurethane foam
Door insulation: 100mm high-temperature-resistant rigid polyurethane foam

Explosion Protection

Explosion relief port (300mm × 300mm) automatically opens at ≥0.104 MPa internal pressure
Explosion-proof chain mechanism
Explosion-proof viewing window

Refrigeration System

Air-cooled mechanical compression single-stage system
Emerson (USA) low-temperature low-noise scroll compressor
SWEP brazed plate heat exchanger (Made in Sweden, SUS #316)
Automatic cold refrigerant flow adjustment
Honeywell R404A refrigerant (Ozone depletion potential 0)

Control System

7-inch touch-screen intelligent programmable controller
Temperature range: -90.00℃ to 200.00℃ (±0.2℃)
Humidity range: 1.0% to 100% RH (±1% RH)
120 program capacity (100 segments each)
RS232/RS485 communication interface

Safety Features

Compressor overheat/overcurrent/overpressure protection
Adjustable over-temperature protection (dual protection)
Fan motor overheat protection
Leakage and short-circuit protection
Power-off protection

Installation Requirements

Level, well-ventilated location free of flammable/explosive materials
Floor load capacity ≥800 kg/m²
Minimum clearance: Front 1000mm, Sides 600mm
Power: AC 380V ±10%, 50Hz ±0.5Hz, ≤4Ω ground resistance
Purified water source required

Product Tags: explosion-proof humidity chamber UN38.3 constant temperature testing equipment electrical appliance test chamber

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