Dickson THDx 매뉴얼 - 페이지 2

{카테고리_이름} Dickson THDx에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Dickson THDx 9 페이지. Temperature, humidity & dew point recorder

Quick Start

Your THDx recorder has been preset to operate using the
post popular settings.
Recording Time:
°F/C:
Temperature Range: -20 to +120°F
Variables Recorded: °F and %RH
Pens and a chart have already been installed for your
convenience. All you need to do to start using your THDx
recorder with the settings listed above is follow these
quick start instructions:
1. Plug in the AC adapter
2. Set the appropriate time by inserting a coin into

Specifications

Temperature Range:
-20 to +120°F (-20 to +50°C)
+40 to +110°F (+5 to +40°C)
Humidity Range:
0 to 95%RH (non-condensing)
Calculated Dew Point Range:
-22 to +122°F (-30 to +50°C)
Temperature Sensor: Thermistor
Humidity Sensor: Thin Film Capacitor
Temperature Accuracy: ±1.8°F (±1°C)
Humidity Accuracy:
±2%RH between 0 and 60%
±3%RH between 61 and 95%
Dew Point Accuracy:
95% to 30%RH
30% to 10%RH
10% to 5%RH
5% to 0%RH
Probe:
.92" diameter x 5.9" long on an 8" cord
(2.3cm x 15cm long on a 20.3cm cord)
Recording Times: 1, 7, 14 & 31 day
Temperature Average Response Time:
30 seconds for 63% step change at 1CFM airflow
7 day
°F
+2°C
-2°C
+4°C
-3°C
+8°C
-7°C
+49°C
-48°C
the groove in the chart hub and turning clockwise
until the correct hour and day on the chart is refer-
enced to the timing clip (see "Instrument Anatomy"
on pg. 3 if you need assistance locating instrument
parts).
3. Remove the protective pen caps
4. Press the "On/Off" key and the pens will move to
the current reading.
After you get started using the "Quick Start Instructions,"
we recommend that you also read the rest of the manual
to ensure that you get the most our of your instrument.
Requires 4 "D" size batteries for battery back-up.
Humidity Average Response Time:
20 seconds to move 63% step change at 1CFM
Chart: 8" diameter (21.3cm)
Display Resolution: 1°F (1°C), 1%RH
Ambient Operating Conditions (body):
0 to 90%RH, +32 to +122°F (0 to +50°C)
Power Supply: 120V AC adapter with 4 "D" batteries
for back-up power
Average Battery Life:
1-day recording mode: 2 months
7-day recording mode: 3 months
31-day recording mode: 4 months
Note: Response time is slower when using battery
power source.
Calibration: User calibration of zero
Alarms: Audio/Visual - high and low (warning mecha-
nism, no controller functions)
Mounting: Free standing or wall mounting (keyholes)
Dimensions:
10.5" x 13.2" x 2.8" (26.7cm x 33.5cm x 7.1cm)
Weight: Approximately 7 lbs. (3.2kg) with batteries
2