Test equipment that stops on day 40 of a 56 day damp heat test can cost you weeks of work and a missed launch date. The warranty and the service team decide how fast you get back to testing.
This article explains the warranty and after-sales support of Humidity Environmental Test Chambersfrom LIB Industry, how the equipment works, which standards it meets, and how it compares with IPX1 to IPX6 equipment.
Warranty and After-Sales Support from LIB Industry
Buying test equipment is a long term decision, so LIB Industry covers every Humidity Environmental Test Chamber with a 3 year warranty and lifetime maintenance. Support comes from 4 overseas service centers and 29 distributors in 60+ countries, so help is never far away.
Here is what you get:
① 3 year warranty on every unit.
② Lifetime maintenance and technical support after the warranty ends.
③ Engineers available 24/7 for technical questions and service requests.
④ On-site installation and operator training on request.
⑤ Electrical drawings and a bill of materials for installation and later repairs.
How Humidity Environmental Test Chambers Work
How the Equipment Controls Humidity
The equipment holds temperatures from -70 °C to +150 °C and humidity from 20% to 98% RH, with a deviation of ±2.5% RH. A fan moves air through the workroom so every shelf sees the same conditions, with temperature variation within ±2.0 °C. Humidity is read in one of two ways. The wet gauze method pairs a wet gauze with a PT100 Class A temperature probe and calculates relative humidity. It is low cost and accurate. A capacitive probe reads humidity directly but needs precise calibration, so it is used to calibrate Thermometers and Hygrometers. Gauze holds water, so ozone and toxic gas test equipment also uses capacitive probes.
|
Item |
|
|
|---|---|---|
|
How it reads |
Wet and dry temperatures, then calculates RH |
Reads RH directly |
|
Cost |
Low |
Higher |
|
Accuracy |
±2.5% RH with PT100 Class A |
High after precise calibration |
|
Needs water |
Yes |
No |
|
Best for |
Everyday temperature and humidity tests |
Hygrometer calibration, ozone and toxic gas tests |
Standards and General Test Methods
Humidity tests follow fixed standards, so any lab can repeat the same result. These are the common conditions:
|
Standard |
Test |
Typical Conditions |
|
|---|---|---|---|
|
IEC 60068-2-78 |
Damp heat, steady state |
40 °C ±2 °C, 93% RH, 4, 10, 21 or 56 days |
|
|
IEC 60068-2-30 |
Damp heat, cyclic |
Up to 55 °C, 6 cycles of 24 hours |
|
|
ISO 16750-4 and VW 80000 |
Automotive climatic loads |
-40 °C to +85 °C with humidity cycling |
|
|
IEC 61215 |
Solar module damp heat |
85 °C, 85% RH, 1000 hours |
A Reliable Supplier for Automotive and Electronics
LIB Industry has built environmental test equipment since 2012. Controllers store 120 programs with 100 steps each, and temperature fluctuation stays within ±0.5 °C. Partners include Meta, Amazon, Apple, Renesas Semiconductor Design Israel Ltd., CERN, Mercedes-Benz, BYD, Siemens Gamesa, Nidec and the University of Sydney.
Measurement Canada Case: Research and Product Performance Testing
From June 2 to June 6, 2026, LIB Industry installed a TH-080C walk-in Humidity Environmental Test Chamber for Measurement Canada. After two TH-1000 reach-in units
and high satisfaction, Measurement Canada returned to add walk-in capacity for research and product performance tests. Each unit is built step by step, from steel plate and precision sheet metal work to assembly, performance testing and pre-shipment inspection, so quality stays consistent. A typical IEC 60068-2-78 run goes like this:
① Measure the sample at room conditions.
② Set 40 °C ±2 °C and 93% RH.
③ Hold for 4, 10, 21 or 56 days.
④ Let the sample recover for 1 to 2 hours.
⑤ Measure again and compare with step ①.
Measurement Canada values the equipment for these reasons:
① Safety: CSA label, CSA compliant electrical parts, CE and IEC safety design, plus over-temperature, water shortage, earth leakage and phase sequence protection.
② Accuracy: ±0.5 °C fluctuation, ±2.5% RH and PT100 Class A sensors.
③ Free customization: cable holes, optical ports, extra shelves and more.
④ Peace of mind: 3 year warranty, lifetime service, and patient, skilled engineers.
⑤ Easy to learn: on-site training for operators.
⑥ Long life: SUS304 stainless steel inside resists corrosion.
⑦ Good value: complete electrical drawings, a detailed bill of materials and a strict check at every build step.
Humidity Environmental Test Chambers vs IPX1 to IPX6 Environmental Test Chambers
Humidity equipment tests moisture in the air. IPX equipment tests liquid water hitting the enclosure. Many automotive and outdoor products need both.
|
Item |
|
|
|---|---|---|
|
Standards |
IEC 60068-2-78, IEC 60068-2-30, ISO 16750-4 |
IEC 60529, ISO 20653 |
|
Tests |
Heat, cold and moisture in air |
Drips, spray and water jets |
|
Key values |
20% to 98% RH, -70 °C to +150 °C |
IPX1 1 mm/min, IPX2 3 mm/min at 15° tilt, IPX5 6.3 mm nozzle at 12.5 L/min, IPX6 12.5 mm nozzle at 100 L/min |
|
Test time |
4 to 56 days, or 1000 hours |
10 minutes for IPX1 to IPX4, 3 minutes or more for IPX5 and IPX6 |
|
Finds |
Corrosion, solder faults, drift |
Water leaking inside |
Choose humidity equipment if your product lives in damp, hot or cold air. Choose IPX equipment if rain, splashes or washing can reach it. If you are unsure, start from how your product fails in the field. A sensor that drifts after a humid summer needs a test such as 85 °C and 85% RH. A camera that leaks after a storm needs IPX5 or IPX6.
FAQs on Humidity Environmental Test Chambers
Q1: How long is the warranty?
A: 3 years, followed by lifetime maintenance.
Q2: How fast can I get help?
A: Engineers are available 24/7, supported by 4 overseas service centers.
Q3: How is the equipment installed?
A: Reach-in models arrive fully assembled and can run in under two hours. Walk-in models need on-site installation. The TH-080C took 5 days, from June 2 to June 6, 2026.
Q4: Do you ship worldwide and handle certification?
A: LIB Industry serves 60+ countries. For Canada, the TH-080C came with a CSA label, electrical drawings and a bill of materials. Share your destination and certification needs before ordering.
Q5: Is training available?
A: Yes, on-site operator training is available.
Q6: Can the equipment be customized?
A: Yes. Common requests such as cable holes, optical ports and extra shelves are free. Share your sample size and test standard, and LIB Industry will send a custom plan within 24 hours.
Need Help Selecting A Humidity Environmental Test Chamber?
Looking for a Humidity Environmental Test Chamber for automotive parts, electronic components, batteries, or solar modules? LIB Industry provides professional temperature and humidity testing solutions backed by a 3 year warranty, lifetime maintenance, and 24/7 engineer support. Our product range includesBenchtop Thermal Humidity Test Chambers, Reach-In Thermal Humidity Test Chambers, Walk-In and Drive-In Thermal Humidity Test Chambers, Battery Thermal Test Chambers, and Fast Change Rate Thermal Cycle Chambers.
The right equipment depends on your required standard, such as IEC 60068-2-78, IEC 60068-2-30, ISO 16750-4, VW 80000, or IEC 61215, as well as specimen size, temperature and humidity range, test duration, and certification needs such as CSA or CE. Contact LIB Industry for equipment selection, standard compliance support, free customization, shipping, on-site installation and operator training, and lifetime technical service for your humidity testing applications.
