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Hart Scientific
Micro Calibration Baths
Models 6102, 7102, 7103

  • World’s smallest portable calibration baths
  • Calibrates sensors of any size or shape
  • Stability to ±0.015°C
  • Ranges from –30°C to 200°C

Hart’s Micro-Baths are the world’s first completely portable baths built specifically for temperature calibration work. They cover a temperature range from -30°C to 200°C (-22°F to 392°F) to cover most industrial temperature applications.

Micro-Baths can be used anywhere for any type of sensor. The Model 6102 weighs less than 10 pounds, with the fluid. It’s lighter and smaller than most dry-wells, has a spill-proof lid, and is easier to carry than your lunch. You can take it where you need to go without carts or excessive effort. Micro-Baths can even be transported with the fluid in them.

Wherever you go with your Micro-Bath, you can count on its performance. Each model is stable to ±0.03°C or better, depending on the fluid you use. Uniformity is ±0.02°C or better for low uncertainties using a reference thermometer. Display accuracy has been improved to ±0.25°C for quick calibrations without a reference thermometer. In short, you get the stability and precision of a liquid bath in a dry-well-sized package. Don’t be fooled by competitors who place a can of oil inside a dry-well and call it a bath. Hart Micro-Baths are maximized for true fluid-bath performance.

With a 1.9-inch-diameter, 5.5-inch-deep tank, a Micro-Bath can calibrate any type of sensor including short, square, or odd-shaped sensors. The problems of fit and immersion are virtually eliminated by using a fluid medium rather than a dry-block calibrator. Micro-Baths are perfect for liquid-in-glass and bimetal thermometers.

The 6102 has a temperature range from 35°C to 200°C, the 7102 covers –5°C to 125°C, and the 7103 extends from –30°C to 125°C. Stability, uniformity, and accuracy specifications cover the entire range for each bath, not just the best temperature.

All Micro-Baths have RS-232 ports, come with our Interface-it software, and can be used with Hart’s MET/TEMP II software. Also included are contacts to calibrate a thermal switch, eight set-point memory storage, ramp-rate adjust, and over-temperature safety cutout.

You may have noticed we haven’t touted our CFC-free refrigeration. Yes, cold Micro-Baths are CFC-free, and also compressor-free. That’s right—no heavy, noisy compressor to lug around. We achieve our temperature range and stability with only one moving part. This means more durability and less weight.

We use Hart Scientific equipment in our lab here at ThermoWorks so we can tell you anything you need to know about how they work. We’re not your average reseller; we use the stuff, understand how it works, can recalibrate most of it, and offer added technical tips to make your experience with the equipment even better.

Specifications

7102

7103

6102

Range:

–5°C to 125°C
(23°F to 257°F)

–30°C to 125°C
(–22°F to 257°F)

35°C to 200°C
(95°F to 392°F)

Accuracy:

±0.25°C

Stability:

±0.015°C at -5°C
±0.03°C at 121°C

±0.03°C at -25°C
±0.05°C at 125°C

±0.02°C at 100°C
±0.03°C at 200°C

Uniformity:

±0.02°C

Resolution:

0.01°C/F

Operating Temp:

5°C to 45°C

Heating Time:

25°C to 100°C: 30 minutes

25°C to 100°C: 35 minutes

25°C to 200°C: 40 minutes

Cooling Time:

25°C to 0°C: 30 minutes

25°C to -20°C: 45 minutes

200°C to 100°C: 35 minutes

Well Size:

1.9" dia. x 5.5" deep (48 x 139 mm)

Size:

7.2" W x 12" H x 9.5" D
(18 x 31 x 24 cm)

9" W x 13.2" H x 10.5" D
(23 x 34 x 26 cm)

5.5" W x 10.38" H x 8" D
(14 x 26 x 20 cm)

Weight:

15 lb. (6.8 kg) with fluid

22 lb. (9.8 kg) with fluid

10 lb. (4.5 kg) with fluid

Power:

115 VAC (±10%), 1.8 A or 230 VAC (±10%), 0.9 A, switchable, 50/60 Hz, 200W

94–234 VAC (±10%), 50/60 Hz, 400W

115 VAC (±10%), 2.3 A or 230 VAC (±10%), 1.1 A, switchable, 50/60 Hz, 270W

NIST-
Traceable Calibration:

Data at -5°C, 25°C, 55°, 90°C, 121°C

Data at -25°C, 0°C, 25°C, 50°C, 75°C, 100°C, 125°C

Data at 50°C, 100°C, 150°C, 200°C


To Order:
6102
6102 Micro-Bath, 35°C to 200°C (95°F to 392°F)
2082-M Spare Test Lid, 6102
2083 3" Tank Extender, 6102/7102
5013-L Silicone Oil, type 200.20, 1 liter (10 to 230°C)
9310 Carrying Case, 6102 ATA style
7102
7102 Micro-Bath, -5°C to 125°C (23°F to 257°F)
2082-P Spare Test Lid, 7102
2083 3" Tank Extender, 6102/7102
5010-L Silicone Oil, type 200.05, 1 liter (-40 to 300°C)
9311 Carrying Case, 7102 ATA style
7103
7103 Micro-Bath, -30°C to 125°C (-22°F to 257°F)
2085 Spare Test Lid, 7103
5010-L Silicone Oil, type 200.05, 1 liter (-40 to 300°C)
9317 Carrying Case, 7103 ATA style