Compact Series

Model

Range

Stability

Depth

Features

6330

35°C to 300°C

±0.005°C at 100°C 
±0.015°C at 300°C

9.25"
234 mm

Small benchtop footprint.
Optional cart includes storage space.

7320

–20°C to 150°C 

±0.005°C at –20°C
±0.005°C at 25°C

9.25"
234 mm

Small 2.4-gallon (9.2-liter) tank.
Uniformity ±0.005°C. 

7340

–40°C to 150°C

±0.005°C at
–40°C
±0.005°C at 25°C

9.25"

234 mm

Low temperature calibrations.
Metrology-level performance.

7380

–80°C to 100°C 

±0.006°C at
–80°C
±0.010°C at 0°C

7"
178 mm

Achieves –80°C in less than 130 minutes. 
Quiet operation.

7312

–5°C to 110°C

±0.001°C at 0°C

19.5"
496 mm

Maintains two TPW cells.
Compact, quiet.

6331

40°C to 300°C

±0.007°C at 100°C
±0.015°C at 300°C

18"
457 mm

18" of depth with just 16 liters of fluid. 
RS-232 included. 

7321

–20°C to 150°C 

±0.005°C at
–20°C
±0.005°C at 25°C

18"
457 mm

Perfect for LIG thermometers with optional kit.
Quiet operation.

7341

–40°C to 150°C

±0.005°C at
–40°C
±0.005°C at 25°C

18"
457 mm

Fast temperature changes.
Access opening accommodates many thermometers.

7381

–80°C to 110°C 

±0.006°C at –80°C
±0.005°C at 0°C

18"
457 mm

Stability of ±0.006°C or better over full range.
Compatible with MET/TEMP II software.

Standard Baths

Model

Range

Stability

Depth

Features

7060

–60°C to 110°C 

±0.0025°C at –60°C
±0.0015°C at 25°C

12"
305 mm

Reaches –60°C with standard refrigeration.

7080

–80°C to 110°C 

±0.0025°C at –80°C
±0.0015°C at 25°C

12"
305 mm

Best combination of stability and ultralow temperatures.

7100

–100°C to 110°C 

±0.003°C at –100°C

13.25"
337 mm

No external cooling for –100°C.

7008

–5°C to 110°C 

±0.0007°C at 25°C

13"
331 mm

Large tank for larger mass immersion.
Maintains standard resistors.

7011

–10°C to 110°C 

±0.0008°C at 0°C
±0.0008°C at 25°C

12"
305 mm

Self-contained refrigeration.
Best-priced ultrastable, cooled bath.

7012

–10°C to 110°C

±0.0008°C at 0°C
±0.0008°C at 25°C

18"
457 mm

Maintains up to 4 WTP cells for weeks.
Large access: 6.3" x 11.5" (162 x 292 mm).

7030

–30°C to 150°C

±0.006°C

11"
279 mm

Fast heating and cooling.
Optional fluid level adapter for LIGs.

7037

–40°C to 110°C

±0.002°C at –40°C
±0.0015°C at 25°C

18"
457 mm

Lowest-temperature deep-well bath.
Mercury cell maintenance bath.

7040

–40°C to 110°C

±0.002°C at –40°C
±0.0015°C at 25°C

12"
305 mm

Self-contained single-stage refrigeration.
Digital controller.

6020

40°C to 300°C

±0.001°C at 40°C
±0.005°C at 300°C

12"
305 mm

Broad range to 300°C. 
Optional RS-232 and IEEE-488 interface.

6022

40°C to 300°C

±0.001°C at 40°C
±0.005°C at 300°C

18.25"
464 mm

Deep tank for SPRT or LIG thermometers.
Optional fluid level adapter.

6024

40°C to 300°C 

±0.001°C at 40°C
±0.005°C at 300°C

13.25"
337 mm

Larger access opening and tank size for higher throughput.

6045

40°C to 400°C 

±0.002°C at 100°C
±0.004°C at 400°C

12"
305 mm

Designed for use with oil or salt.
High-resolution set-point to 0.00018°C. 

6050H

40°C to 550°C

±0.002°C at 200°
±0.007°C at 500°C

12"
305 mm

Better stability than sand baths.
High temperatures, low gradients.

Special Application 

Model 

Range 

Stability 

Depth 

Features 

6054

50°C to 300°C

±0.003°C at 100°C
±0.005°C at 300°C 

24"
610 mm

Maintains constant fluid level.

6055

200°C to 550°C

±0.003°C at 200°C 

±0.01°C at 550°C 

17"

432 mm

Includes LIG sighting channel.

7007

–5°C to 110°C

±0.001°C at 0°C
±0.003°C at 100°C 

24"

610 mm

Large, 7-inch-diameter working space.

7009

0°C to 110°C

±0.0007°C at 25°C 

13"

331 mm

Largest capacity with 4.8-cubic foot (167-liter) working area and 0.7 mK stability.

7015

0°C to 110°C

±0.0007°C at 25°C 

13"

331 mm

Ultrastable for maintaining resistors.

Large access and workspace.

Splash- and spill-resistant lid. 

7108 

20°C to 30°C 

±0.004°C 

8" 

203 mm 

Peltier cooling means no compressor and quieter performance. 

Maintains standard resistors. 

7911A2 

0°C 

±0.002°C 

8"
203 mm 

Easy and affordable zero-point source for calibrating temperature sensors 

Other 

Item 

Description 

Custom Baths 

Hart Scientific offers a wide variety of customized temperature baths including: 

• oceanography baths with titanium tanks 
• windowed baths for LIG and viscometry applications 
• baths with built-in low-temperature blackbody cones 
• baths with extended or shortened depths and widths 
• much more—just tell us what you need