Small footprint, full-specification temperature humidity control
Benchtop Environmental Chambers
A benchtop environmental chamber does the same job as its floor-standing sibling — precise, documented temperature and humidity control — in a footprint that fits the bench where the work actually happens. The RHS-B series packs the 7-inch touchscreen programmer, 304 stainless chamber and ultrasonic humidification of the full-size platform into 50L, 100L and 150L cabinets. The compact size is not a cut-down specification. Uniformity holds at ±0.5°C and ±3% RH across the loaded volume, the door carries the same double-layer tempered glass window, and data leaves over USB in the same CSV format as the 1000L cabinet. What changes is the sample count: a 50L benchtop chamber suits method development and small studies; 100L and 150L sizes carry shared-lab workloads. For laboratories specifying their first humidity-controlled workspace, a benchtop chamber is the usual starting point — prove the protocol at 50L, then scale to a floor-standing cabinet with the same controller and the same documentation. Tell us your bench width and your protocol and we will confirm the fit and quote the configuration.
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WSHLAB Benchtop Temp Humidity Chamber
- Model range
- RHS-B 50L / 100L / 150L
- Capacity options
- 50L · 100L · 150L
- Temperature range
- 0-60°C, resolution 0.1°C, uniformity ±0.5°C
- Humidity range
- 40-95% RH, uniformity ±3% RH
Price on request
TECHNICAL DATA
Engineering the RHS-B benchtop series
The benchtop platform uses the same balanced refrigeration and ultrasonic humidification circuit as the floor-standing RHS-F, scaled to the smaller volume so that uniformity is engineered, not compromised. The 304 stainless chamber has rounded corners and a draining condensate path; the controller is the identical 7-inch touchscreen programmer.
Benchtop Environmental Chambers
View ProductWSHLAB Benchtop Temp Humidity Chamber
- Model range
- RHS-B 50L / 100L / 150L
- Capacity options
- 50L · 100L · 150L
- Temperature range
- 0-60°C, resolution 0.1°C, uniformity ±0.5°C
- Humidity range
- 40-95% RH, uniformity ±3% RH
- Controller
- 7-inch touchscreen, 100-segment programming
- Chamber
- 304 stainless steel, rounded corners, tempered glass viewing window
- Humidification
- Ultrasonic, no wetted-salt maintenance
- Data
- 3-year onboard logging, USB CSV export
- Alarms
- Over-temperature, over-humidity, sensor failure — independent shutdown path
- Shelving
- Adjustable stainless steel shelves
- Power
- 220V/50Hz standard; 110V/60Hz available
- Installation
- Bench-top; reinforced bench, 30 cm service clearance
- Capacity
- 100L · 150L · 50L
- Voltage
- 220V/50Hz
- Chamber Material
- 304 Stainless
- Control Type
- 7-inch Touchscreen
- Temperature Range
- 0~60°C
- Humidity Control
- Yes (40-95% RH)
- Lighting Type
- Optional
Applications
Where benchtop chambers work
Small-volume temperature humidity studies across R&D, QC and teaching.
QC sample exposure — small counts of product, packaging or components at defined states
Teaching laboratories — demonstrating climate control on a bench footprint
Pilot lines — validating assemblies and materials at manageable scale
Shared laboratories — one compact chamber serving multiple small studies
Stability pre-screening — early humidity exposure before committing stability-batch space
PERFORMANCE & SELECTION
What is a benchtop environmental chamber?
A benchtop environmental chamber is a temperature and humidity controlled enclosure sized to sit on a laboratory bench rather than the floor. In the WSHLab RHS-B series that means a 50L, 100L or 150L working volume, a depth that stays inside a standard 750mm bench, and a full specification: 0–60°C, 40–95% RH, 7-inch touchscreen programming and USB export.
- 50L, 100L and 150L capacities on a 750mm bench
- 0–60°C and 40–95% RH — the same envelope as the floor-standing models
- 7-inch touchscreen, 100 segments, self-tuning PID
- Runs from a standard outlet; no dedicated wiring
CONFIGURATION & COMPATIBILITY
Small and compact, without the compromise
A small environmental chamber usually trades specification for size. The RHS-B keeps the uniformity data — ±0.5°C across the working volume, ±3% RH — because the airflow circuit is scaled with the chamber, not borrowed from a bigger model. The compact chamber still runs damp heat and steady-state programmes unattended, protected by over-temperature and over-humidity alarms.
- Compact footprint, full ±0.5°C / ±3% RH uniformity
- Same controller and data format as the 1000L cabinet
- Quiet enough for a shared laboratory bench
- Over-temperature and over-humidity alarms on every unit
IDENTIFICATION & TRACEABILITY
Clear Product Identification & Specification
Product names, model numbers, SKUs and option identifiers keep quotations, orders and internal records aligned.
- Product and model identification
- Option-specific SKU information
- Consistent quotation specifications
PRODUCT IDENTIFICATIONBenchtop Environmental Chambers
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- Selection
- Specification-led
Traceability
Traceability and documentation
A compact chamber still ships with the documentation a regulated lab will ask for.
- Calibrated temperature and humidity sensors with identifiable certificates
- Serialized records kept for the unit's lifetime
- Onboard logging and USB CSV export for study files
- Factory test data archived against each serial number
Quality system
Quality system and factory testing
Every RHS-B benchtop chamber is run at the envelope corners with a representative load before packing.
ISO 9001 production line with CE conformity
Factory test report with setpoint accuracy and uniformity at three points
Sensor calibration certificates on request
Alarm functions verified on every unit before dispatch
Why WSHLab
Why start with a benchtop chamber
Prove the protocol at 50L, then scale to a floor-standing cabinet with the same controller, the same chamber and the same documentation.
Full specification in a 750mm-bench footprint
Same 7-inch touchscreen and CSV export as the 1000L cabinet
±0.5°C / ±3% RH uniformity verified at the factory
Standard outlet power — no dedicated electrical work
Easy relocation between benches as the lab reorganises
OPTIONS & SPECIFICATIONS
Benchtop Environmental Chambers Options & Specifications
Choose the format that suits your application, workload and handling requirements.
50L, 100L and 150L benchtop capacities
Fits a standard 750mm laboratory bench
0–60°C and 40–95% RH with ±0.5°C / ±3% uniformity
7-inch touchscreen with 100-segment programming
USB data export for method documentation
| Type | Capacity / Option | Material / Specification | Suitable Application | Storage / Handling |
|---|---|---|---|---|
| 50L, 100L and 150L benchtop capacities | By selected product | Product-specific configuration | Confirm with our team | Follow product guidance |
| Fits a standard 750mm laboratory bench | By selected product | Product-specific configuration | Confirm with our team | Follow product guidance |
| 0–60°C and 40–95% RH with ±0.5°C / ±3% uniformity | By selected product | Product-specific configuration | Confirm with our team | Follow product guidance |
| 7-inch touchscreen with 100-segment programming | By selected product | Product-specific configuration | Confirm with our team | Follow product guidance |
| USB data export for method documentation | By selected product | Product-specific configuration | Confirm with our team | Follow product guidance |
Delivery and site
Delivery and site
Benchtop chambers arrive crated for two-person placement and run within the hour.
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Crated delivery with shock indicators
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220V/50Hz standard; 110V/60Hz available on request
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Reinforced bench capable of the unit weight; 30 cm service clearance
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Commissioning support and operator training available
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12-month warranty
RECOMMENDATIONS
Related Products
Products frequently compared within this catalog.
Gallery
RHS-B benchtop chambers
The 50L, 100L and 150L benchtop chambers share the 7-inch touchscreen, 304 stainless interior and USB export of the full-size platform.
VIDEOS
Manufacturing & Quality Process
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QUESTIONS & ANSWERS
Benchtop Environmental Chambers: frequently asked questions
The questions buyers ask most often when specifying Benchtop Environmental Chambers, answered by our technical team.
What sizes are available?
The RHS-B benchtop series runs 50L, 100L and 150L. All three fit a standard 750mm laboratory bench.
Will it fit on my bench?
Yes — the 50L fits with clearance on a 750mm bench; 100L and 150L units use most of the bench width. Send us the bench dimensions and we will confirm the fit including service clearance.
What is the temperature range?
0–60°C with ±0.5°C uniformity. Humidity runs 40–95% RH with ±3% uniformity on the same unit.
Does it have humidity control?
Yes — full 40–95% RH control with ultrasonic humidification and 100-segment touchscreen programming, identical to the floor-standing platform.
Get a quotation
Request your benchtop chamber quotation
Tell us your bench width and the protocol — setpoints, load, duration — and we will confirm the fit and return a 50L, 100L or 150L configuration with pricing within one working day.