MRC HT-3027SD Operation Manual
SD card real time data recorder
%RH, Welt bulb, Dew point, Type K/J Temp.
PRECISION HYGROMETER
Model : HT-3027SD
Your purchase of this
PRECISION
HYGROMETER marks a
step forward for you
into the field of
precision measurement.
Although this Meter is a
complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operating
techniques are
developed. Please read
the following
instructions carefully
and always keep this
manual within easy
reach.
OPERATION MANUAL
TABLE OF CONTENTS
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4-3 Data Record ( Max./ Min. reading )....................................................................
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5-1 Preparation before execute datalogger function...............................................................................
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5-4 Check time and sampling time information...................................................................................................................
5-5 SD Card Data structure.......................................................................................
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7-2 Set sampling time....................................................................................................
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7-4 Set beeper Sound ON/OFF.....................................................................................................
7-5 Decimal point of SD card setting.....................................................................................
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7-8 Select the thermometer type to Type K or Type J....................................................................................................
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12. Optional Type K Temp. probe.................................................................................
13. PATENT.........................................................................................................................
1. FEATURES..............................................................................
2. SPECIFICATIONS.......................................................................
3. FRONT PANEL DESCRIPTION..................................................................
4. MEASURING PROCEDURE....................................................................
4-1 Function selection ....................................................................
4-2 Data Hold........................................................................................
4-4 LCD Backlight ON/OFF....................................................................
5. DATALOGGER................................................................................
5-2 Auto Datalogger ( Set sampling time ≧ 1 second ).......................
5-3 Manual Datalogger ( Set sampling time = 0 second ).....................
6. Saving data from the SD card to the computer........................
7. ADVANCED SETTING...............................................................................
7-1 Set clock time ( Year/Month/Date, Hour/Minute/ Second )..........
7-3 Auto power OFF management ..........................................................
7-6 SD memory card format...............................................................
7-7 Select the temperature unit to ℃ or ℉
8. POWER SUPPLY from DC ADAPTER.....................................................
9. BATTERY REPLACEMENT.............................................................
10. SYSTEM RESET................................................................................
11. RS232 PC serial interface.................................................................................
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1. FEATURES
* Humidity/Temp., Dew point ( Humidity ), Wet bulb (
Humidity ), Type K/J thermometer, 4 kinds
measurement are combined into one meter, intelligent
and professional.
* Type K, Type J thermocouple thermometer.
* Fast humidity measuring response time.
* Real time SD memory card Datalogger, it Built-in Clock
and Calendar, real time data recorder , sampling time set
from 1 second to 3600 seconds.
* Manual datalogger is available ( set the sampling
time to 0 ), during execute the manual datalogger
function, it can set the different position ( location ) No.
( position 1 to position 99 ).
* Innovation and easy operation, computer is not
need to setup extra software, after execute
datalogger, just take away the SD card from the
meter and plug in the SD card into the computer,
it can down load the all the measured value with
the time information ( year/month/date/
hour/minute/second ) to the Excel directly, then
user can make the further data or graphic
analysis by themselves.
* SD card capacity : 1 GB to 16 GB.
* LCD with green light backlight, easy reading.
* Can default auto power off or manual power off.
* Data hold, record max. and min. reading.
* Microcomputer circuit, high accuracy.
* Power by UM3/AA ( 1.5 V ) x 6 batteries or DC 9V adapter.
* RS232/USB PC COMPUTER interface.
* Separate probe, easy for operation of different
measurement environment.
1
2. SPECIFICATIONS
2-1 General Specifications
Circuit Custom one-chip of microprocessor LSI
circuit.
Display LCD size : 52 mm x 38 mm
LCD with green backlight ( ON/OFF ).
Measurement
U
nit
Datalogger Auto 1 second to 3600 seconds
Sampling Time
Setting range
Memory Card SD memory card. 1 G to 16 G.
Advanced
setting
Temperature Automatic temp. compensation for the
Compensation humidity function and the type K/J
Humidity/Temp. : %RH/℃ or ℉.
Dew point ( Humidity ) : ℃ or ℉.
W
et bulb ( Humidity ) : ℃ or ℉.
Type K/J thermometer : ℃ or ℉.
@ Sampling time can set to 1 second,
but memory data may loss.
Manual Push the data logger button
once will save data one time.
@ Set the sampling time to
0 second.
@ Manual mode, can also select the
1 to 99 position ( Location ) no.
* Set clock time ( Year/Month/Date,
Hour/Minute/ Second )
* Set sampling time
* Auto power OFF management
* Set beep Sound ON/OFF
* Decimal point of SD card setting
* SD memory card Format
*
Set temperature unit to ℃ or ℉
* Set thermometer type to Type K or Type J
thermometer.
2
Data Hold Freeze the display reading.
Instruction manual..........................................
Humidity/Temp. probe............................................
Soft carrying case ( CA-05A )..................................
Memory Recall Maximum & Minimum value.
Sampling Time Approx. 1 second.
of Display
Data Output RS 232/USB PC computer interface.
* Connect the optional RS232 cable
UPCB-02 will get the RS232 plug.
* Connect the optional USB cable
USB-01 will get the USB plug.
Operating
0 to 50 ℃.
Temperature
Operating Less than 85% R.H.
Humidity
Power Supply * Alkaline or heavy duty DC 1.5 V battery
( UM3, AA ) x 6 PCs, or equivalent.
* DC 9V adapter input. ( AC/DC power
adapter is optional ).
Power Current Normal operation ( w/o SD card save
data and LCD Backlight is OFF) :
Approx. DC 3.5 mA.
When SD card save the data but and
LCD Backlight is OFF) :
Approx. DC 28 mA.
* If LCD backlight on, the power
consumption will increase approx.
12 mA.
Weight 489 g/1.08 LB.
Dimension 177 x 68 x 45 mm
(7.0 x 2.7x 1.9 inch)
Standard *
Accessories *
Included *
1 PC
1 PC
1 PC
3
Optional SD Card ( 4 GB )
Accessories Type K thermocouple probe.
AC to DC 9V adapter.
USB cable, USB-01.
RS232 cable, UPCB-02.
Data Acquisition software,SW-U801-WIN.
Hard carrying case, CA-06
2-2 Electrical Specifications (23±5 ℃
℃ )
℃
℃
Humidity/ Temperature
Range 5 % to 95 % R.H.
Humidity Resolution 0.01 % R.H.
Accuracy
Range
±2% RH
±2% RH
±2% RH ±2% RH
@ 20 %RH to 80 % RH.
@ 10 ℃ to 40 ℃.
0 ℃ to 50 ℃,32 ℉ to 122 ℉.
Temperature Resolution 0.01 degree
Accuracy
@ 5 ℃ to 35 ℃
℃ ±0.5 ℃.
℉ ±1.0 ℉.
Dew Point ( Humidity )
℃
℉
Range
Resolution
Range
Resolution
-
25.3 ℃ to 48.9 ℃
0.01 ℃
-
13.5 ℉ to 120.1 ℉.
0.01 ℉.
Remark :
* Dew Point display value is calculated from the
Humidity/Temp. measurement automatically.
* The Dew Point accuracy is sum accuracy value of
Humidity & Temperature measurement..
4
Wet bulb ( Humidity )
℃
℉
Range
Resolution
Range
Resolution
-21.6 ℃ to 50.0 ℃
0.01 ℃
-
6.9 ℉ to 122.0 ℉.
0.01 ℉.
Remark :
* Wet bulb display value is calculated from the
Humidity/Temp. measurement automatically.
* The Welt bulb accuracy is sum accuracy value of
Humidity & Temperature measurement..
Type K/J thermometer
Sensor Resolution Range Accuracy
Type
Type K
Type J
0.1 ℃ -50.0 to 1300.0 ℃ ± ( 0.4 % + 0.5 ℃ )
-50.1 to -100.0 ℃ ± ( 0.4 % + 1 ℃ )
0.1 ℉ -58.0 to 2372.0 ℉ ± ( 0.4 % + 1 ℉ )
-58.1 to -148.0 ℉ ± ( 0.4 % + 1.8 ℉ )
0.1 ℃ -50.0 to 1200.0 ℃ ± ( 0.4 % + 0.5 ℃ )
-50.1 to -100.0 ℃ ± ( 0.4 % + 1 ℃ )
0.1 ℉ -58.0 to 2192.0 ℉ ± ( 0.4 % + 1 ℉ )
-58.1 to -148.0 ℉ ± ( 0.4 % + 1.8 ℉ )
@ Above specification tests under the environment RF Field Strength
less than 3 V/M & frequency less than 30 MHz only.
5
3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Display 3-11 Reset Button
3-2 Power Button ( Backlight Button ) 3-12 DC 9V Power Adapter Input Socket
3-3 Hold Button 3-13 Battery Compartment/Cover
3-4 REC Button 3-14 Battery Cover Screws
3-5 ▲ Button
3-6 ▼ Button ( FUNCTION Button)
3-7 TIME Button (SET Button ) 3-17 Probe Plug ( Humidity/Temp. )
3-8 Enter Button (Logger Button) 3-18 Probe Handle ( Humidity/Temp. )
3-9 SD card socket 3-19 Probe head ( Humidity & Temp. )
3-10 RS-232 Output Terminal 3-20 Type K/J thermometer socket
3-15 Stand
3-16 Tripod Fix Nut
3-21 Probe ( Humidity/Temp. ) input socket
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