Tenmars TM-207, Руководство пользователя

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TM-207
EN-11

Measure the solar insulation effect of your house’s
windows:

Close the window. Press the “ ” button on
your TM-207 solar meter, and “00.0” comes up on
the screen. Put the device close to the window and
aim it at the sun. Compare the value against that
acquired when the window is closed and the device
is placed at the same position,

In order to understand the window’s heat efficiency.
(Picture 3)
7. ELECTRIC SPECIFICATION

Battery life: approx. 100 hr.

Accuracy
：
typically within ± 10W/m
2
[ ±3 BTU / (ft
2
*h) ] or ±5% , whichever is greater in sunlight;
Additional temperature induced error ±0.38W/m
2
/
°
C [ ±0.12 BTU / (ft
2
*h)/
°
C] from 25
°
C

Operating temp. & RH: 5
o
C~40
o
C, below 80%RH.

Storage temp. & RH: -10
o
C ~60
o
C, below 70%RH.

DISPLAY
：
3-1/2 digits LCD with maximum reading
1999.

Sampling Time
：
Approx. 0.25 second

Resolution
：
1W/m
2 、
1 BTU /(ft
2
*h).

Accuracy: <
±
3/year

Over-input
：
Display shows" OL".

Range
：
1999W/m
2 、
634 BTU /(ft
2
* h).