Economy Heating Baths

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  • Temperature range from ambient +7℃ to 100℃.
  • On/off temperature control.
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  • Simple and quick control panel.
  • Corrosion-resistant stainless steel construction allowing other bath fluids as well as water and silicone fluids.
  • Low-profile design with sloped control panel for easier access and better safety.
  • Variety of accessories are available to meet application demands.


  • Isolated design of heater, and sensor by a baffle plate to protect users and samples against direct contact.
  • Complete safety protection system with warning alarms.
    – Low fluid level and dry-running, over-temperature, over-current.
  • Splash-proof keypad.
Technical Specifications
Model BW-05B BW-10B BW-20B

Bath Volume (L / cu ft)

3.5 / 0.1

11.5 / 0.4

20 / 0.7


Working Temperature Range (℃ / oF)

Amb. +7 to 100 / Amb. +12.6 to 212

Temperature Stability at 50℃  (±℃ / oF)

0.4 / 0.72

0.5 / 0.9

0.5 / 0.9

Heat up time to 70℃ (min) (℃ / oF)





Bath Opening / Depth (W×L, D) (mm / inch)

240×136, 110 / 9.4×5.4, 4.5

300×240, 165 / 11.8×9.5, 6.5

498×300, 165 / 19.6×11.8, 6.5

Overall (W×L×H) (mm / inch)

303×242×245 / 11.9×9.5×9.6

357×330×290 / 14.1×13×11.4

564×392×290 / 22.2×15.4×11.6

Net Weight (kg / lbs)

6.5 / 14.3

10 / 22

18.5 / 40.8

Electrical Requirements (230V)

50/60Hz, 3A

50/60Hz, 4.3A

50/60Hz, 8.7A

Cat. No.

AAH46012K AAH46022K AAH46032K

Electrical Requirements (120V)

60Hz, 5.8A 60Hz, 8.3A 60Hz, 8.3A

Cat. No.

AAH46013U AAH46023U AAH46033U

※ The lowest temperature that can be controlled depends on changes in room temperature and sample temperature. Therefore, please contact the distributor of our products before purchasing for technical consultation.

※ Technical data (according to DIN 12876).

※ Bath fluid : Water.




Transparent Polypropylene Gable Covers

prevent liquid loss due to evaporation, and also protect samples from contamination due to direct dripping of the bath liquid into the samples. The gable type roof accommodates glassware of varying heights.

Cat. No. Description Suitable for
AAA45531 Transparent Polypropylene Gable Type BW-05H / BW-05B
AAA45532 Transparent Polypropylene Gable Type BW-10H / BW-10B
AAA45533 Transparent Polypropylene Gable Type BW-20H / BW-20B


Stainless Steel Flat Covers

Made of stainless steel to prevent corrosion and rust. (only for BW-H and BW-B Mode

Cat. No. Description Suitable for
AAA45541 Stainless steel flat type BW-05H / BW-05B
AAA45542 Stainless steel flat type BW-10H / BW-05B
AAA45543 Stainless steel flat type BW-20H / BW-05B

tmp_option3 Open-rings Covers Beakers or Erlenmeyer flasks can be placed directly onto the perforated stainless steel half-shelf adjuster or water tank bottom. By adjusting ring size for each glassware, liquid loss due to evaporation is minimized. (only for BW-H, BW-B, BW-G Models)

Cat. No. Description Suitable for
AAA45521 with 2 openings 80mm dia. (3.1˝) BW-05H / BW-05B
AAA45524 with 1 opening 110mm dia. (4.3˝)
AAA45522 with 4 openings 80mm dia. (3.1˝) BW-10H / BW-10B
AAA45525 with 2 openings 110mm dia. (4.3˝)
AAA45526 with 1 opening 185mm dia. (7.3˝)
AAA45523 with 8 openings 80mm dia. (3.1˝) BW-20H / BW-20B
AAA45527 with 6 openings 110mm dia. (4.3˝)
AAA45528 with 2 openings 185mm dia. (7.3˝)


Test Tube Racks

Highly durable stainless steel test tube racks feature adjustable angle and tube height support without requiring any base plate. You can easily mount and release test tube racks.

Cat. No. Description Insert Capacity of Racks*
AAA44581 for 86 test tubes Ø8mm / Ø0.3˝ CW-20G/P, 30G/P RW3-2025/P, 2040/P RW-33025/P, 3040/P
AAA44582 for 86 test tubes Ø10mm / Ø0.4˝
AAA44583 for 58 test tubes Ø12mm / Ø0.5˝
AAA44585 for 32 test tubes Ø16mm / Ø0.6˝
AAA44586 for 19 test tubes Ø25mm / Ø1.0˝ 2ea 3ea
AAA41531 for 50 test tubes Ø8mm / Ø0.3˝ BW-05H BW-05B RW3-1025/P RW3-1040/P CW3-10/P
AAA41532 for 50 test tubes Ø10mm / Ø0.4˝
AAA41533 for 33 test tubes Ø12mm / Ø0.5˝
AAA41535 for 16 test tubes Ø16mm / Ø0.6˝
AAA41539 for 10 test tubes Ø25mm / Ø1.0˝ 1ea
AAA45551 for 176 test tubes Ø8mm / Ø0.3˝ BW-10H BW-10B BW-20H BW-20B
AAA45552 for 176 test tubes Ø10mm / Ø0.4˝
AAA45554 for 84 test tubes Ø12mm / Ø0.5˝
AAA45556 for 68 test tubes Ø16mm / Ø0.6˝
AAA45561 for 33 test tubes Ø25mm / Ø1.0˝ 1ea 2ea

* No declination.


Spring Wire Racks

Ideal for holding a wide variety of tubes, flasks, and other glassware. All components are made of stainless steel. (for all models)

Half-shelf Adjusters

Stainless steel perforated sample tray shelves with adjustable height support prevent leaks and guard against rust and contamination. (only for BW-H, BW-B, and BW-G Models)

Spring Wire Racks

Cat. No. Suitable for
AAA45502 BW-10H / BW-10B
AAA45503 BW-20H / BW-20B

Half-shelf Adjusters

Cat. No. Suitable for
AAA45511 BW-05H / BW-05B
AAA45512 BW-10H / BW-10B
AAA45531 BW-20H / BW-20B