Calibration Baths

OB / OB-LT / OB-ULT

Temperature range: – 90 °C …+ 300 °C

Uniformity and stability in mK range
Calibrate sensors of any dimension
Fluid ensures perfect heat transfer
Up to 500mm immersion depth
Unique vertical flow design
State of the art solution
Several bath sizes
Three temperature ranges

 

Technical Data

OB-7/2

OB-22/2

OB-7/2 LT

OB-22/2 LT

OB-22/2 ULT

OB-50/2 ULT
External dimensions
(WxHxD) [mm]

484 x 1134 x 474

604 x 1231 x 554

484 x 1134 x 474

604 x 1231 x 554

604 x 1251 x 554

901 x 1275 x 691
Internal dimensions (diameter x immersion depth) [mm]

Ø 100 x 270

Ø 147 x 500

Ø 100 x 270

Ø 147 x 500

Ø 147 x 500

Ø 320 x 500
Volume [L]

~ 7

~ 22

~ 7

~ 22

~ 22

~ 50
Fluid quantity for operation [L]

10

25

10

25

25

65
Temperature range [°C]

+ 40 …+ 250

+ 40 …+ 250

- 40 …+ 130

- 40 …+ 130

- 90 …+ 130

- 90 …+ 130
Temperature display resolution [°C]

0.001

0.001

0.001

0.001

0.001

0.001
Temperature set resolution [°C]

0.001

0.001

0.001

0.001

0.001

0.001
Temperature stability [°C]

± 0.001 @ 50 °C
± 0.002 @ 100 °C
± 0.006 @ 250 °C

± 0.001 @ 50 °C
± 0.002 @ 100 °C
± 0.006 @ 250 °C

± 0.004 @ - 40 °C
± 0.005 @ 20 °C
± 0.002 @ 100 °C

± 0.004 @ - 40 °C
± 0.005 @ 20 °C
± 0.002 @ 100 °C

± 0.005 @ - 90 °C
± 0.005 @ + 20 °C
± 0.002 @ + 50 °C

± 0.003 @ - 90 °C
± 0.005 @ + 20 °C
± 0.002 @ + 50 °C
Temperature uniformity [°C]

< ± 0.007 @ 100 °C

< ± 0.007 @ 100 °C

< ± 0.007 @ - 40 °C

< ± 0.007@ - 40 °C

± 0.007 @ - 90 °C

± 0.007 @ - 90 °C
Heating rate

~ 1 hour (+ 20 °C …+ 100 °C)

~ 1 hour (+ 20 °C …+ 100 °C)

~ 0,5 hour (+ 20 °C …+ 100 °C)

~ 1 hour (+ 20 °C …+ 100 °C)

~ 1 hour (- 90 °C …+ 20 °C)

~ 3 hours (- 90 °C …+ 20 °C)
Cooling rate

N/A

N/A

~ 1 hour (+ 20 °C …- 40 °C)

~ 2 hours (+ 20 °C …- 40 °C)

~ 4 hours (+ 20 °C …- 90°C)

~ 14 hours (+ 20 °C …- 90 °C)
Temperature Control

PID

PID

PID

PID

PID

PID
Noise level [dBA]

< 58

< 58

< 58

< 58

< 58

< 58
Cooling (Built in cooling coil for external cooling)


N/A Natural


N/A Natural


Compressor
Cooling System


Compressor
Cooling System

Cascade
compressor refrigeration
system

Cascade
compressor refrigeration
system
Power supply

230 V 50/60 HZ
(± 10 %)

230 V 50/60 HZ
(± 10 %)

230 V 50/60 HZ
(± 10 %)

230 V 50/60 HZ
(± 10 %)

230 V 50/60 HZ
(± 10 %)

230 V 50/60 HZ
(± 10 %)
Wattage [W]

1200

2100

2000

3200

3600

3600
Interface

Ethernet, USB

Ethernet, USB

Ethernet, USB

Ethernet, USB

Ethernet, USB

Ethernet, USB
Weight [kg]

~ 54

~ 75

~ 85

~ 100

~ 135

~ 175

Download High Temperature Technical Data Sheets

Download Low Temperature Technical Data Sheets

Download Ultra Low Temperature Technical Data Sheets

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