Does the unit have an external pump?

Yes, it features an external circulating pump with a flow rate of 0-20L/min.

-20~100c High Precision Temperature Controller Heated Water Bath & Recirculating Chiller

Name: -20~100c High Precision Temperature Controller Heated Water Bath & Recirculating Chiller
Brand: Zhengzhou Wollen Instrument Equipment Co., Ltd.
SKU: 919194555

Henan, ChinaZhengzhou Wollen Instrument Equipment Co., Ltd.

US$2,000.00-3,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Online

Warranty

One Year

Model NO.

DC-2030

Application

Lab

Customized

Certification

CE, ISO

Structure

Vertical

Material

Stainless Steel

Type

Heating and Cooling

Name of Commodity

Thermostatic Water/Oil Bath

Temperature Range

-20~100c

Temperature Stability

+-0.1c

Temperature Display

Touch Screen

Display Resolution

0.1c

Tank Size

440X325X200mm

Capacity

30L

Pump Flow

0-20L/Min

Pressure of Pump

0.5bar

Opening Size

310X280mm

Drainage

Yes

Net Weight

85kg

Gross Weight

105kg

Transport Package

Plywood Box

Specification

620x540x1090mm

Trademark

WollenLab

Origin

China

HS Code

8419899090

Production Capacity

1000sets/Month

Key features

Eco-Friendly Refrigeration: Uses CFC-free refrigeration system for environmental protection.

Stainless Steel Construction: Inner tank made of high-quality stainless steel for durability.

External Circulation Pump: 0-20L/min flow rate allows creating a second constant temperature field.

Intelligent PID Control: Automatically adjusts heating and cooling for energy saving.

Touch Screen Display: 7-inch touch screen for easy operation and condition monitoring.

Comprehensive Safety Features: Includes thermal overload, power-off protection, and overheat alarms.

Company profile

Importers and ExportersFast DeliveryCustomization from SamplesOEM Services

Zhengzhou Wollen Instrument Equipment Co., Ltd.

Henan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.88h

AI-Powered supplier vetting

SummaryThe supplier is a limited company focused on laboratory instruments, including reactors, incubators, rotary evaporators, and circulating baths. It reports extensive customization, ODM, and OEM capabilities, while export sales represent 90% and markets span multiple regions. Production evidence includes 800 rotary evaporator sets annually and stated peak and off-season lead times of within 15 working days. However, the supplier reports only two employees, fewer than five quality-control staff, one year of R&D engineer experience, no new products in the past year, and no 3D design or SDK capability. After-sales and quality-management documentation is weak or unavailable: there are no written complaint-handling or corrective-action procedures, no overseas service infrastructure, and quality assurance status is unknown. Financial records are identified for 2020–2022, but no assessable financial results are provided.

Supplier typeThe supplier is a limited company that produces and sells laboratory instruments, with self-operated import/export rights and 90% of sales from exports. Its product range includes reactors, incubators, rotary evaporators, and circulating baths, indicating a manufacturer-oriented laboratory-equipment supplier.

After-Sales capabilityThe supplier has no overseas showroom, agents, branches, or reported offline trade-show participation. It also has no written complaint-handling or corrective/preventive-action procedures, although service quotations and payment terms are defined and service-capability assessment records exist without a written procedure.

R&D capabilityThe supplier states that it pursues continuous innovation and product expansion, and it provides ODM and OEM services. However, it reports no new products during the past year, no SDK, no 3D software design service, and only one year of R&D engineer experience, limiting evidence of current innovation strength.

Production capacityThe supplier reports annual rotary evaporator output of 800 sets and lead times within 15 working days in both peak and off-season periods. However, the reported total employee count is only two and quality-control staffing is fewer than five, so overall production scale and operational depth remain difficult to verify.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services for popular brands. This is direct evidence of broad customization capability, despite the absence of 3D software design and SDK support.