Chino, Japan
Chino R220/R221 Series Temperature/Humidity Transducers
Made in Japan
Manufacturer: Chino Corporation
Model: R220 Series
Models
| Type | No. of pairs of elements | 形式 |
|---|---|---|
| Standard type | Single element type | R220-30 |
| Dualcouple type | R220-30W | |
| Automatic water-feeding type | Single element type | R221-30 |
| Dualcouple type | R221-30W |
Features
These compact and lightweight transducers are dry and wet bulbs type temperature/humidity sensors with ventilating function.
The units employ two platinum resistance thermometers as temperature detecting elements for dry and wet bulbs, and consist of a ventilating unit, detecting elements, and a water tank for wet bulb, and others.
Since the water tank is detachable and a terminal board is exposed when tilting the units forward under the wallmount condition, the wiring, check and maintenance are very easy.
Specifications
| Measuring range | Relative humidity･･･20 to 80％RH Temperature･･･0 to 60℃ |
|---|---|
| Accuracy rating | Relative humidity･･･±2％RH Temperature･･･±0.3℃ at 0℃ |
| Resistance thermometer | Pt100 or JPt100, 3-wire type |
| Water tank capacity | About 300ml |
| Ambient temperature | 0 to 60℃ |
| Power supply | 100V AC or 200V AC, 50/60Hz |
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