

Photographs are for identification. Appearance can vary by model and revision.
BTH · Temperature controllers & instruments
BTH BHC-31 Humidity Controller
Panel-mount humidity controller with sensor
Panel-mount humidity controller supplied with a BHS 221 humidity sensor on a 3 m cable.
- Supplied with BHS 221 humidity sensor and 3 m cable
- 110 – 260 V AC/DC supply
- Panel cut-out 68 × 32 mm
Adding to the list only saves it in your browser. Nothing is sent until you press a send button on the enquiry page. Price and availability are given on quotation.
Specifications
- Model
- BHC-31
- Supply
- 110 – 260 V AC/DC
- Panel cut-out
- 68 × 32 mm
- Weight
- 200 g
- Supplied with
- Sensor BHS 221 (3 m cable), side clamps, operating manual
Specifications are given to identify and compare products. Confirm the exact model, ratings and options against the manufacturer’s datasheet, or with us, before ordering.
Choosing the right one
Not sure this is the right temperature controllers and process instrument? Read the buying guide for temperature controllers and process instruments, then send us the details below so we can confirm a model.
- Sensor type and temperature range
- Output required: relay, SSR drive or 4–20 mA
- Panel cut-out size
- Heater load in kW and supply voltage, for power controllers



