Description

HISAMATSU THERMOHYGROGRAPH TN2500 / TN2500L

- A complex instrument consisting of a thermograph and hygrograph simultaneously measures and records the condition of incessantly changing atmospheric temperature and relative humidity
- The upper scale is for temperature recording and the lower scale is for humidity ( be defatted hairs)
- Recording period: 1 day, 8 day and 32 day, changeable by switch and an on and off switch prevents batteries from wasteful exhaustion
- Temperature sensor: bimetal strip
- Humidity sensor: human hair bundle

Specifications:
Recording Range : -15 to 40°C & 0 to 100%
Recording period : 1-day & 7-day
with 7-day chart for one year use
Size    : App. 340(W) x 290(H) x 130(D)mm
Weight    : App. 5.0kg