| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
HOBO |
HOBO TIDBIT MX TEMP 5000' LOGGER |
1000 |
|
 |
HOBO |
HOBO EXTERNAL TEMP/RH DATA LOGGE |
1000 |
|
 |
HOBO |
HOBO TEMP/RH 3.5% DATA LOGGER |
1000 |
|
 |
HOBO |
MX2301 WEATHERPROOF DATA LOGGER. |
1000 |
|
 |
HOBO |
HOBO STATE DATA LOGGER |
1000 |
|
 |
HOBO |
EXT MEM LIGHT ON/OFF DATA LOGGER |
1000 |
|
 |
HOBO |
HOBO TEMPERATURE DATA LOGGER |
1000 |
|
 |
HOBO |
U12 STAINLESS TEMP DATALOGGER |
1000 |
|
 |
HOBO |
MX2304 WEATHERPROOF LOGGER WITH |
1000 |
|
 |
HOBO |
HOBO PENDANT MX WATER TEMP LOGGE |
996 |
|
Environmental testers are specialized instruments designed to simulate various environmental conditions to evaluate product performance and reliability. These devices play a critical role in quality assurance across industries by replicating real-world stresses such as temperature extremes, humidity, vibration, and electromagnetic interference. Their importance has grown with the increasing complexity of electronic and mechanical systems in aerospace, automotive, and consumer electronics sectors.
| Type | Functional Features | Application Examples |
|---|---|---|
| Temperature Chambers | Controlled thermal cycling (-70 C to +180 C) | Semiconductor reliability testing |
| Humidity Test Chambers | Precise RH control (5-95% RH) | Corrosion resistance evaluation |
| Vibration Test Systems | Multi-axis excitation (0.1-3000Hz) | Aerospace component validation |
| Thermal Shock Chambers | Rapid temperature transition ( 15s transfer time) | Material stress analysis |
| EMC Test Equipment | Electromagnetic field generation (30MHz-6GHz) | Automotive EMI/EMS certification |
Typical environmental testers consist of: - Insulated test chamber with corrosion-resistant coating - Precision sensor arrays (PT100 RTD, capacitive humidity sensors) - Advanced control systems (PLC with PID algorithms) - Environmental stress generation modules (refrigeration systems, vibration actuators) - Human-Machine Interface (HMI) with programmable test profiles - Safety interlocks and emergency shutdown mechanisms
| Parameter | Typical Range | Importance |
|---|---|---|
| Temperature Range | -70 C to +180 C | Determines operational envelope |
| Control Accuracy | 0.5 C | Ensures test repeatability |
| Ramp Rate | 1-15 C/min | Affects test cycle efficiency |
| Vibration Frequency | 0.1-3000Hz | Critical for mechanical resonance testing |
| Humidity Control | 5-95% RH 2% | Essential for moisture sensitivity analysis |
Primary industries utilizing environmental testers include: - Aerospace: Satellite component thermal-vacuum testing - Automotive: Electronics control unit (ECU) humidity testing - Electronics: PCB assembly thermal shock screening - Medical Devices: Sterilization cycle validation - Telecommunications: Outdoor equipment environmental qualification
| Manufacturer | Key Product | Technical Highlights |
|---|---|---|
| Keysight Technologies | U8101A Thermal Camera | Infrared resolution: 640 480 |
| Tektronix | 2 Series Mixed Signal Oscilloscope | Bandwidth: 200MHz-1GHz |
| Agilent | 34972A Data Logger | 22-bit resolution, 1MS/s sampling |
| Rohde & Schwarz | TS8991 EMC Test System | Frequency range: 30MHz-6GHz |
Key considerations for equipment selection: - Define test standards (MIL-STD-810, IEC 60068) - Calculate required chamber size vs. DUT dimensions - Evaluate energy consumption and maintenance costs - Assess software capabilities for test automation - Consider future scalability needs
Case Study: Automotive electronics testing requires combined temperature ( -40 C to 125 C) and vibration (10-2000Hz) capabilities to meet ISO 16750 requirements.
Emerging developments include: - Integration of AI for predictive failure analysis - Miniaturization of test chambers for inline production testing - Adoption of IoT-enabled remote monitoring systems - Development of hybrid test platforms combining multiple stress factors - Increasing demand for eco-friendly refrigerants and energy-efficient designs