Dickson TH550 Operation Manual - Page 2
Browse online or download pdf Operation Manual for Measuring Instruments Dickson TH550. Dickson TH550 5 pages. Digital temperature, humidity, dew point monitor
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Specifications
Range:
Temf)erature-
-22 to + 1 22°F,
(-30
to +50°C)
Humidity-
a
to 95
0fo
RH (non-condensing)
Dew Point-
-22 to + 1
22°F,
(-30
to +50°C)
Resolution:
1 Ofo RH, 1
o
Accuracy:
Temperature-
±
1.8°F (± 1.0°C)
Humidity-
±20fo RR from 0 to
60%,
±30fo RH
tram 61 to 950fo at+73°F
Humidity Sensor:
Thin firm capacitor
Dew Point Accuracy:
±3.6°F
(±2°C)
Instrument Anatomy
Wand
Temperature Sensor:
Tnermistor
Sample Rate:
Approx
.
1 per second
Average Response Time:
5 seconds to move 600fo of full
scale in air moving I 5'/second
Ambient Operating Conditions:
+32 to+ T22°F (Ol:o +50°C)
0 to 900fo RH (non-condensing)
Power Supply:
One 9V alkaline
battery.
Battery life approx.
80nours
.
Dimensions: 6.25" x 2.5"
x 1.9"
( 160mm x 65mm x 45mm)
Probe Dimensions:
.92" diameter
(23mmj.
5.9"
(149mm) long on
a 6
(1
8
m)
cord
Weight: I I
oz.
(.31
kg
)
Sanda
---+!HI
Em bout
Lesekopf
Min/Max Key
Baton de
min./max
Touche Min/Max
Taste
Min/ Max
Hold Key
--l§~~~~~
Baton de retencion
Touche hold
Taste Hold
Battery Compartment
_j
Compartimiento
de
Ia pila
Compartiment
a'
pile
Batteriefach
a
r
1!
If
K
•y
Baton de
encendid y
c~p.
rqc~do
Tau
h
n/ ff
Ein-/Au
Rh/Dew
Pt.
Key
Baton de humedad
relativdlpu
nt
o cle
rocio
Touche Rh/Dew
Taste Rh/Dew
•c;•F
Key
Baton de
•c;•F
Touche
•c;•F
Taste
•c;•F
Strain Relief
Alivio de tension
Soulagement de Traction
Zugentlastung
5'
Long Cord (I
5
~
Ill!
Cordon
de
154
c "'
('•
'
Gordon de 1 54 em
dl'
'""!J
Spira/schnur,
I '
4
c
r"
Operating Instructions
I
.
On/Off
Press to turn unit on or off.
2.
Set Celsius or Fahrenheit Mode
Press "°CfOF" key to choose Celsius
or Fahrenheit.
3.
Set Humidity or Dew Point Mode
Press "Rh/Dew" key to choose Humidity or Dew Point.
Note: Dew Points below freezing should be converted to frost points.
•
4.
Set Wand Position
,
,oF
• •
2YdP
•
Slide wand upward to first notch or remove wand completely from
cradle. Avoid breathing on or touching wand end as this could distort
readings.
5. Update Indicator
Karet moves up or down each time the unit
takes a new reading, approximately once every
second.
6. Hold
Press this key to lock in current reading
.
The
"Hold"
symbol in the display w ill light up,
indicating that the instrument is in the "Hold"
mode. To resume reading, press the "Hold
"
key again
.
Ciil!i]
lB
O
F •
22rh
a