Oil/Water Baths – OTB-8 Series

Haven OTB-8 Oil/Water Baths are a compact and reliable solution for the calibration of thermal sensors. Available in 2 models depending on range and application required.

All baths are supplied complete with bath cover, drain tap, carry handles and hole to hold a certified sensor. The bath is fully insulated on the sides and the base and has a cooling coil fitted for connection to a cold water supply for use around ambient.

Temperature stability as good as ±0.005°C
Ranges covering -35°C* to 250°C
7 Litre or optional 12 litre capacity bath.

* A flow cooler is required to operate OTB-8S model at below ambient temperatures.

OTB-8HT models can operate to +10°C with a CH-5 Chiller Unit.

OTBSoft has been designed for use with OTB-8 Oil/Water Baths and the TU-20D controller on the refrigerated baths. It is a windows based programme that connects via an RS232 connection to your computer. Programmes can be created, saved and recalled at any time as well as running in real time mode. Time, temperature and ramp rates can all be set up. Temperature can be set to two decimal places.
Temperatures within the range of -35°C to 250°C can be programmed.

NB: The minimum temperature of an OTB-8HT is Ambient +10°C or +10°C with the CH-5 Chiller.

	OTB-8S	OTB-8HT
Temperature Range °C	Ambient +10 to 200	Ambient +5 to 250
Temperature Selection	Digital	Digital
Temperature Stability °C (using water @ 40°C)	±0.005%	±0.005%
Pump Capacity litres/minute	10	N/A Internal Circulation only
Pump Capacity (mbar)	145	N/A
Method of Control	PID	PID
Temperature Sensor	PRT	PRT
Adjustable over-temperature cut-out	YES	YES Plus audible alarm
Low liquid level cut-out	YES	YES
PC Interface	YES RS232	YES RS232
OTBSOFT Software	Optional Accessory	Standard
Bath Capacity	7 Litre	7 Litre
Bath Opening (mm)	140 x 140	140 x 140
Below Ambient Temperatures	Use Flow Cooler -20°C FC-200 -35°C FC-500	Use CH-5 Chiller Min temperature of +10°C
Dimensions: (mm) Bath L x W x H Head L x W x H	351 x 260 x 183 237 x 124 x 260	351 x 260 x 183 237 x 124 x 260