01
Track the target
Compare the programmed setpoint with the measured value. A consistently narrow gap shows that the chamber is executing the requested profile.
SCI PERFORMANCE / 03
The curve
is the proof.
Specifications describe potential. Real profiles show whether a chamber can follow the target, stabilize quickly and repeat the result under the conditions that matter.
Real controller records · Repeated profiles · Load-specific evidence
400 L RAPID-CHANGE PROFILE16-POINT VERIFIED
20°C/min
linear rate
linear rate
16measurement
channels
channels
6×repeatable
cycles shown
cycles shown
20°C/min
linear rapid-change record
7°C / 7% RH
low-temperature, low-humidity boundary
2 min 20 s
thermal-shock recovery record
100 m separation
between chamber and remote refrigeration unit · tested with 100 kg + 4 kW load
HOW TO READ A PERFORMANCE CURVE
Look for three things.
Not just a fast line.
A credible curve lets you compare the requested program with the actual chamber response over time. The smaller and more repeatable the gap, the stronger the control result.
02
Watch the recovery
After a ramp, transfer or load disturbance, look for the actual value to return quickly and settle inside the permitted band.
03
Check repeatability
Repeated cycles should preserve the same shape, amplitude and settling behavior. Widening gaps reveal performance loss.
REAL TEST RECORDS
Five demanding profiles.
One way to judge them.
Select a record to see what each curve proves and why it matters to the quality of your test result.
SUPPLIED CONTROLLER RECORD20°C/min linear
PROFILE 01
400 L chamber · 16-point temperature verification
400 L workspaceRepeated +85°C / −40°C cycles16 temperature channels
HOW TO READ IT
The red trace is the programmed target. The chamber temperature and all 16 measurement channels rise, settle and fall together through every cycle.
YOUR ADVANTAGE
Fast transitions are useful only when the full workspace moves as one. The tight cluster of measured lines shows repeatable response and rapid field balance.
SUPPLIED CONTROLLER RECORD1.2 m³ · 15°C/min
PROFILE 02
Large-volume temperature and humidity cycling
1.2 m³ workspace+85°C to −40°C15°C/min linear rate
HOW TO READ IT
The programmed temperature steps repeat across the full record while the measured response reaches each plateau with a consistent shape.
YOUR ADVANTAGE
This is evidence that rapid-rate control can be scaled beyond a small chamber without losing cycle-to-cycle repeatability.
SUPPLIED CONTROLLER RECORD100 cycles · 2m20s
PROFILE 03
Three-zone shock endurance and recovery
100 consecutive cyclesHot and cold zones2 min 20 s recovery
HOW TO READ IT
The dense repeated hot, cold and specimen traces maintain the same amplitude and rhythm from the first cycle to the last.
YOUR ADVANTAGE
Consistent recovery across 100 transitions demonstrates control reserve, transfer repeatability and resistance to performance fade.
SUPPLIED CONTROLLER RECORD1 m³ long profile
PROFILE 04
Temperature and humidity change together—without losing control
1 m³ workspaceMulti-step combined profileLong-duration cycling
HOW TO READ IT
Programmed temperature and humidity setpoints form the profile. Their measured values follow the ramps, plateaus and transitions throughout the record.
YOUR ADVANTAGE
Coordinated temperature and humidity control protects test validity when one variable changes the demand placed on the other.
SUPPLIED CONTROLLER RECORD100 m separation · 100 kg · 4 kW
PROFILE 05
Remote refrigeration across a 100 m connection
100 m chamber-to-condenser line100 kg aluminium load4 kW live heat load
HOW TO READ IT
The requested profile and measured response remain closely aligned while the system cycles between approximately +60°C and −20°C.
YOUR ADVANTAGE
The 100 m figure is the separation between the chamber and its remote refrigeration unit—not the chamber size. The result shows why performance must be calculated around line length, specimen mass and live heat.
CONTROL ENVELOPE
Performance beyond
the comfortable middle.
Independent cooling, heating, humidifying and dehumidifying control extends the usable temperature–humidity field—including difficult low-temperature / low-humidity combinations.
5°C90% RH
High humidity at low temperature
15°C98% RH
Near-saturation humidity control
98°C98% RH
High heat with extreme humidity
95°C5% RH
Very dry control at high temperature
1 m³ NO-LOAD BENCHMARK
Wider range.
Faster segment performance.
The supplied comparison keeps chamber volume and no-load conditions aligned. It shows where performance differs across the same temperature segments.
| Measured item | SCI chamber | Imported comparison | Domestic comparison |
|---|---|---|---|
| Temperature range | −70 to +150°C | −45 to +150°C | −40 to +150°C |
| 150 → 100°C | 2.0°C/min | 0.4°C/min | 1.0°C/min |
| 100 → 45°C | 1.8°C/min | 0.4°C/min | 1.0°C/min |
| 45 → 0°C | 1.5°C/min | 1.0°C/min | 1.0°C/min |
| 0 → −40°C | 1.3°C/min | 0.9°C/min | 1.0°C/min |
| Temperature fluctuation | ≤ ±0.5°C | ≤ ±0.5°C | ≤ ±0.5°C |
| Temperature uniformity | ≤ 1.3°C | ≤ 1.2°C | ≤ 1.7°C |
Read this correctly: rate is shown by temperature segment, because a single headline rate can hide slower parts of the profile. Each segment and control-quality result should be judged separately.
PERFORMANCE UNDER YOUR LOAD
Empty-chamber speed
is not your test speed.
SCI calculates performance around the actual specimen and installation. In this record, “100 m” means the pipe-and-cable separation between the test chamber and its remote refrigeration unit—not the chamber size.
Temperature, humidity, ramps and dwell time
Material, mass, geometry and live heat output
Distance, airflow, utilities and ambient conditions
Capacity, recovery, uniformity and control reserve
STABILITY IS PERFORMANCE TOO
Fast when changing.
Quiet when holding.
Long dwell tests require a different kind of strength: the ability to stay close to the setpoint without drift, oscillation or unnecessary correction. The supplied record shows the measured temperature locked to the −40°C target across the extended hold.
Stable low-temperature hold Minimal target-to-actual deviation Evidence over time, not one reading
VERIFIED PERFORMANCE / 03