LUTRON PAM-9212SD Pitot Tube Anemometer Instruction Manual

June 10, 2024
Lutron

LUTRON logo SD card real time Data Recorder
200 mbar, differential manometer
PITOT TUBE ANEMOMETER
Model : PAM-9212SDLUTRON PAM-9212SD Pitot Tube
Anemometer

Your purchase of this
PITOT TUBE ANEMOMETER with SD CARD DATA LOGGER 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.

FEATURES

  • Pitot tube Anemometer measurements for Air Velocity .

  • Dual & differential input, ± 200 mbar max. range.

  • Application : Industrial, laboratory, heating, ventilation, medical hospital, used for air or not corrosive and not ionized gas.

  • Sensor is built inside the housing.

  • Single plugs for pipe connection.

  • Measurement units:
    Air vilocity : m/s, km/h, FPM, mph, knots Air pressure: 10 kind display units ( mbar, Kg/cm 2, mm Hg, meter H2O Atmosphere, psi, inch Hg, inch H2O, hpa , kpa ) select by push button  on the front panel

  • Auto shut off saves battery life.

  • Zero button on the front panel, easy to offset the zero value.

  • Microprocessor circuit assures maximum possible accuracy, provides special functions and features.

  • Super large LCD display for best viewing angle.

  • No need 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 download 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.

  • It 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.

SPECIFICATIONS

2-1 General Specifications

Circuit Custom one-chip of microprocessor LSI circuit.
Display LCD size : 51 mm x 37 mm

LCD with green backlight ( ON/OFF ).
Display units| Air vilocity : m/s, km/h. FPM. mph. knots
Air pressure: psi . inch Hg . inch H2O . h PA , kPA
mbar. Kq/cm2 . mm Hp . meter H2O . Atmosphere.
Measurement Function| Air vilocity & Dual differential input, data hold. zero/relative, memory.
Zero adjust| Push button on the front panel.
Sensor| • Sensor is built inside the housing.
• Piezoelectric sensor.
Used for dry, non-corrosive and non ionic air and gas only. Liquid is prohibited.
Datalogger Sampling Time Setting range| Auto| 1 sec to 8 Hours 59 Minutes 59 sec.
0 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.
Data error no.| = 0.1 % no. Of total saved data typically.
Memory Card| SD memory card. 1 GB to 16 GB.
Advanced setting| • 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
• Air density setting
Data Hold| Freeze the display reading.
---|---
Memory Recall| Maximum & Minimum value.
Sampling Time of Display| Approx. 1 second.
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 Temperature| Meter| 0 to 50 °C.
    Operating Humidity| Less than 85% R.H.
    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 7 mA.
    When SD card save the data and LCD Backlight is OFF) :
    Approx. DC 25 mA.
    ‘ If LCD backlight on, the power consumption will increase approx. 10 mA.
    Weight| 265 g / 0.59 LB. (without battery)
    Dimension| Meter| 190 x 68 x 45 mm (7.5 x 2.7x 1.8 inch)
    Accessories Included| • Instruction manual  1 PC.
    • Plug for quick coupler  2 PCs.
    • Pito tube 018..  1 PC.
    • Silicon Soft tube 01( 50 cm )  2 PCs.

2-2 Electrical Specifications (23±5 ℃)
Air velocity

Measurement Range Resolution Accuracy
m/s 4.1 to 100.0 m/s 0.1 m/s ±( 3% + a ) reading

Or
±( 1% + a ) full scale
*Air density
:1.200
Km/h| 14.7 to 360.0 km/h| 0.1 Km/h
Mile/h
( mph )| 9.1 to 223.7 mph| 0.1 mph
Knot| 7.9 to 194.3 knot| 0.1 Knot
Ft/min| 81-19685 ft/min| 1 Ft/min
@ a = 0.1 m/s, 0.3 km/h, 0.2 mile/h, 0.2 knot, 20 ft/min
Note:
m/s – meters per second ft/min – feet per minute mile/h – miles per hour| km/h – kilometers per hour
knot – nautical miles per hour
(international knot)

Manometer

Unit Max. range Resolution
mbar ± 200 mbar 1 mbar
psi ± 2.9 psi 0.1 psi
Kq/cm2 ± 0.2 Kq/cm2 0.001 Kg/cm2
mm Hg ± 150.0 mm Hg 1 mm Hg
inch Hg ± 5.91 inch Hg 0.01 inch Hg
meter H2O ± 2.040 meter H2O 0.01 meter H2O
hPA ± 200 hPA 1 hPA
KPA ± 20 KPA 0.01 KPA
inch H2O ± 80.2 inch H2O 0.05 inch H2O
Atmosphere ± 0.2 Atmosphere 0.001 Atmosphere
Unit Max. range Accuracy
mbar ± 200.0 mbar ± 2 % F. S.

Note :
‘ 23 V ± 5 V .

  • F.S. : full scale
  • included linearity,
    hysteresis and repeatability
    psi| ± 2.900 psi
    Kq/cm2| ± 0.204 Kq/cm2
    mm Hg| ± 150.0 mm Hg
    inch Hg| ± 5.905 inch Hg
    meter H2O| ± 2.040 meter H2O
    h PA| ± 200.0 h PA
    K PA| ± 20.00 K PA
    inch H2O| ± 80.20 inch H2O
    Atmosphere| ± 0.197 Atmosphere

Remark :

Measuring unit Display unit
psi PSI
inch Hg In Hg
inch H2O In H2O
hPA hPA
KPA _ PA
mbar – bAr
Kq/cm2 _ g C2
mm Hg – – Hg
meter H2O – t H2O
Atmosphere AtP

FRONT PANEL DESCRIPTION

LUTRON PAM-9212SD Pitot Tube Anemometer - Parts

3-1    Display 3-12  RS-232 Output Terminal
3-2    Power Button 3-13  Reset Button
3-3    Hold Button / Backlight Button 3-14  DC 9V Power Adapter Input Socket
3-4    REC Button 3-15  Battery Compartment/Cover
3-5    UNIT  Button  , ▲  Button 3-16  Battery Cover Screws
3-6    Function Button , ▼  Button 3-17  Stand
3-7    Set Button ,  Time Button 3-18  Tripod Fix Nut
3-8    Log Button ,  Enter Button 3-19  Plug/quick coupler
3-9    P1 Input Socket 3-20  Pitot Tube
3-10  P2 Input Socket 3-21  soft  tube
3-11  SD card socket 3-22  soft  tube

MEASURING PROCEDURE

A. Air vilocity

  1. Power ON the meter by pressing the ” Power Button ” ( 3-2, Fig. 1 ) for at least 1.5 seconds.
  • Pressing the ” Power Button ” ( 3-2, Fig. 1 ) continuously and > 1.5 seconds again will turn off the meter. 2. pressing and holding the ” Function Button ” ( 3-7, Fig. 1 ) to Select to Air vilocity Function. 3. pressing and holding the ” Unit Button ” ( 3-5, Fig. 1 ) to Select the desired Air vilocity units (m/s, Ft/min, Km/h, Knot, Mile/h) 4. Zero adjusting pressing and holding the the ” ▲ Button ” ( 3-5, Fig. 1 ) and ” ▼ Button ” ( 3-6, Fig. 1 ) for at least 1.5 seconds to the display reading will show zero . 5. Pitot tube, sensing soft tube ( 3-22, Fig. 1 ) Install to P1 Input Socket ( 3-9, Fig. 1 ),and sensing soft tube ( 3-21, Fig. 1 ) Install to P2 Input Socket ( 3-10, Fig. 1 ) 6. The meter is build the two input socket ( P1 input socket, P2 input socket) for accepting the Pitot tube sensing Air speed input, The LCD will show the measuring Air vilocity value.

B. Manometer

  1. Power ON the meter by pressing the ” Power Button ” ( 3-2, Fig. 1 ) for at least 1.5 seconds.
  • Pressing the ” Power Button ” ( 3-2, Fig. 1 ) continuously and > 1.5 seconds again will turn off the meter. 2. pressing and holding the ” Function Button ” ( 3-7, Fig. 1 ) to Select to manometer Function. 3. pressing and holding the ” Unit Button ” ( 3-5, Fig. 1 ) to Select the desired manometer units ( mbar, , Kg/cm^2 , mm Hg meter H2O, Atmosphere, psi , inch Hg , inch H2O, hPA , kPA ) 4. Zero adjusting pressing and holding the ” ▲ Button ” ( 3-5, Fig. 1 ) and ” ▼ Button ” ( 3-6, Fig. 1 ) for at least 1.5 seconds to the display reading will show zero . 5. Install the measuring pipe to ” Plug/quick coupler ” ( 3-19, Fig. 1 ). 6. The meter is build the two input socket ( P1 input socket, P2 input socket) for accepting the differential pressure input.
    Connecting the pipe along the ” Plug ” ( 3-19, Fig. 1) to a.
    ” P1 input socket ” ( 3-9, Fig. 1 ) only b.
    ” P2 input socket ” ( 3-10, Fig. 1 ) only c. Both P1 & P2 input socket
    The LCD will show the measuring pressure value.
    Note :
  • If the P1 pressure > P2 pressure, the display will get positive reading.
  • If the P1 pressure < P2 pressure, the display will get negative reading.
    REMARK:
    Pressure quick connector use :
  1. connect with the meter pressure quick connector, you can insert directly.
  2. To disengage from the meter, the pressure quick connector has a slide device, slide it to the last position, then Pull out.
  1. Data Hold
    During the measurement, press the ” Hold Button ” ( 3-3, Fig. 1 ) once will hold the measured value & the LCD will display a ” HOLD ” symbol.
    Press the ” Hold Button ” once again will release the data hold function.

  2. Data Record ( Max., Min. reading )

  1. The data record function records the maximum and minimum readings. Press the ” REC Button ” ( 3-4, Fig.
    1 ) once to start the Data Record function and there will be a ” REC ” symbol on the display.
  2. With the ” REC ” symbol on the display :
    a) Press the ” REC Button ” ( 3-4, Fig. 1 ) once, the ” REC MAX ” symbol along with the maximum value will appear on the display.
    b) Press the ” REC Button ” ( 3-4, Fig. 1 ) again, the ” REC MIN ” symbol along with the minimum value will appear on the display.
    c) To exit the memory record function, just press the ” REC ” button for 2 seconds at least. The display will revert to the current reading.
  1. LCD Backlight ON/OFF
    After power ON, the ” LCD Backlight ” will light automatically. During the measurement, press the
    ” Backlight Button ” ( 3-2, Fig. 1 ) once will turn OFF the ” LCD Backlight “.
    Press the ” Backlight Button ” once again will turn ON the ” LCD Backlight ” again.

  2. For quick measurement, follow the procedures shown below :

Main procedures:

LUTRON PAM-9212SD Pitot Tube Anemometer - Power

DATALOGGER

5-1 Preparation before execute datalogger function a. Insert the SD card
Prepare a ” SD memory card “( 1 GB to 16 GB, optional )
insert the SD card into the “SD card Socket” ( 3-11, Fig. 1 ).The front panel of the SD card should face against the down case.

  • It recommend use memory card capacity is ≦ 4 GB.
    b. SD card Format
    If SD card just the first time use into the meter, it recommend to make the ” SD card Format ” at first,please refer chapter 7-6, page21.
  • If the SD card exist the trouble during format by the meter, use the computer to reformat again can fix the problem.
    c. Time setting
    If the meter is used at first time, it should to adjust the clock time exactly, please refer chapter 7-1, page 18.
    d. Decimal format setting
    The numerical data structure of SD card is default used the ” . ” as the decimal, for example “20.6” “1000.53” . But in certain countries ( Europe …) is used the ” , ” as the decimal point, for  example ” 20, 6 ” “1000,53”. Under such situation, it should change the Decimal character at first, details of setting the Decimal point, refer to Chapter 7-5, page 20.

Remark :

  • How to set the sampling time, refer to Chapter 7-2 , page 19 .
  • How to set the beeper sound is enable, refer to Chapter 7-4, page 20 .

b. Pause the datalogger
During execute the Datalogger function, if press the ” LOG Button ” ( 3-8, Fig. 1 ) once will pause the Datalogger function ( stop to save the measuring data into the memory circuit temporally  ). In the same time the ” DATALOGGER ” symbol will stop flashing.
Remark :
If press the ” LOG Button ” ( 3-8, Fig. 1 ) once again will execute the Datalogger again, the ” DATALOGGER ” symbol will flashing.

c. Finish the Datalogger
During execute the Datalogger function, press the ” LOG Button ( 3-8, Fig. 1 )

1.5 seconds continuously again will finish the Datalogger function, the ” DATALOGGER ” text will be  disappeared and finish the Datalogger function.
5-3 Manual Datalogger ( Set sampling time = 0 second ) a. Set sampling time is to 0 second
Press the ” LOG Button ( 3-8, Fig. 1 )>1.5 seconds, the LCD will show the indicator ” DATALOGGER ” and ” Position no. ” symbol then press the ” LOG Button ” ( 3-8, Fig. 1 ) once , the ”  DATALOGGER ” symbol will flashing once and Beeper will sound once at the same time the measuring data along with the time information will be saved into the memory circuit .

Remark :
During execute the Manual Datalogger, it can use the ” ▲ Button ” ( 3-5, Fig.

  1. or ” ▼ Button ” ( 3-6, Fig. 1 ) to set the measuring position ( 1 to 99, for example room 1 to room 99 ) to  identify the measurement location , the lower Display will show P x ( x = 1 to 99 ).

b. Finish the Datalogger
During execute the Datalogger function, press the ” LOG Button ( 3-8, Fig. 1 )

1.5 seconds continuously again will finish the Datalogger function, the Position no. ” PXX ” will be  disappeared and finish the Datalogger function. the ” DATALOGGER ” indication will be disappeared and finish the Datalogger.

5-4 To check the time and sampling time information
During the normal measurement , If press ” Time ” ( 3-7, Fig. 1 ) once , the LCD display will present the time information of Year/Month/Date , Hour/Minute/Second and the Sampling time  information .
5-5 SD Card Data structure

  1. When the SD card is used into the meter, the SD card When the first time, the SD card is used into the meter, the SD card will generate a route : PMA01

  2. If the first time to execute the Datalogger, under the route PMA01\, will generate a new file name PMA01001.XLS.
    After exist the Datalogger, then execute again, the data will save to the PMA01001.XLS until Data column reach to 30,000 columns, then will generate a new file, for example PMA01002.XLS

  3. Under the folder PMA01\, if the total files more than 99 files, will generate anew route, such as PMA02\ ……..

  4. The file’s route structure :
    PMA01\ PMA01001.XLS
    PMA01002.XLS
    PMA01099.XLS
    PMA02\PMA02001.XLS
    PMA02002.XLS
    PMA02099.XLS
    PMAXX\
    Remark :
    XX : Max. value is 10.

Saving data from the SD card to the computer ( EXCEL software )

LUTRON PAM-9212SD Pitot Tube Anemometer - example

EXCEL graphic screen ( for example, graphic )

LUTRON PAM-9212SD Pitot Tube Anemometer - graphic

ADVANCED SETTING

Under do not execute the Datalogger function, press the ” SET Button ” ( 3-7, Fig. 1 ) continuously at least two seconds will enter the ” Advanced Setting ” mode. then press the ” SET Button ”  ( 3-7, Fig. 1 ) once a while in sequence to select the six main function, the display will show :
DATE………………….Set clock time ( Year/Month/Date, Hour/Minute/Second )
SP T………………………..
Set sampling time ( Hour/Minute/Second )
POFF……………………..
Auto power OFF management
BEEP…………………..
Set beeper sound ON/OFF
DEC…………………….
Set SD card Decimal character
SD F……………….SD memory card Format
dnSt……………….Air density
Remark :
During execute the ” Advanced Setting ” function, if press ” HOLD Button ” ( 3-3, Fig. 1 ) will exit the  Advanced Setting ” function, the LCD will return to normal screen.
7-1 Set clock time ( Year/Month/Date,Hour/Minute/ Second )

When the upper display show ” dAtE “

  1. Use the ” ▲ Button ” ( 3-5, Fig. 1 ) or ” ▼ Button ” ( 3-6, Fig. 1 ) to adjust the value ( Setting start from Year value ). After the desired value is set, press the ” Enter Button ” ( 3-8, Fig. 1 )  once will going to next value adjustment ( for example, first setting value is Year then next to adjust Month, Date, Hour, Minute, Second value ).

Remark :
The adjusted value will be flashed.
2) After set all the time value ( Year, Month, Date, Hour, Minute, Second ), press the ” SET Button ” ( 3-7, Fig. 1 ) once will save the time value, then the screen will jump to Sampling time ”  setting screen .
Remark :
After the time value is setting, the internal clock will run precisely even Power off if the battery is under normal condition ( No low battery power ).
7-2 Set sampling time (Hour/Minute/ Second )

When the upper display show ” SP – t “

  1. Use the ” ▲ Button ” ( 3-5, Fig. 1 ) or ” ▼ Button ” ( 3-6, Fig. 1 ) to adjust the value ( Setting start from Hour value ). After the desired value is set, press the ” Enter Button ” ( 3-8, Fig. 1 )  once will going to next value adjustment ( for example, first setting value is Hour then next to adjust Minute, Second value)
    Remark:
    The adjusted value will be flashed.

  2. After set all the time value ( Hour, Minute, Second ) press the ” Set Button ” ( 3-7, Fig. 1 ) once will save the sampling value with default then the screen will jump to “Auto power OFF”  setting screen ( Chapter 7-3 ).

7-3 Auto power OFF management

When the lower display show ” PoFF “

  1. Use the ” ▲ Button ” ( 3-5, Fig. 1 ) or ” ▼ Button ” ( 3-6, Fig. 1 ) to select the upper text to “YES ” or “no “.
    YES – Auto Power Off management will enable.
    no – Auto Power Off management will disable.

  2. After select the upper text to ” YES ” or ” no “, press the ” Enter Button ” ( 3-8, Fig. 1 ) will save the setting function with default.

7-4 Set beeper sound ON/OFF
When the lower display show ” bEEP “

  1. Use the ” ▲ Button ” ( 3-5, Fig. 1 ) or ” ▼ Button ” ( 3-6, Fig. 1 ) to select the upper text to ” YES ” or ” no “.
    YES – Meter’s beep sound will be ON with default.
    no – Meter’s beep sound will be OFF with default.

  2. After select the upper text to ” YES ” or ” no “, press the ” Enter Button ” ( 3-8, Fig. 1 ) will save the setting function with default.

7-5 Decimal point of SD card setting
The numerical data structure of SD card is default used the ” . ” as the decimal, for example “20.6” “1000.53” . But in certain countries ( Europe …) is used the ” , ” as the decimal point, for  example ” 20,6 ” “1000,53”.
nder such situation, it should change the Decimal character at first.
When the lower display show ” dEC ”

  1. Use the ” ▲ Button ” ( 3-5, Fig. 1 ) or ” ▼ Button ” ( 3-6, Fig. 1 ) to select the upper text to ” USA ” or ” EURO”.
    USA – Use ” . ” as the Decimal point with default.
    EURO – Use ” , ” as the Decimal point with default.

  2. After select the upper text to ” USA ” or ” EURO “, press the ” Enter Button ” ( 3-8, Fig. 1 ) will save the setting function with default.

7-6 SD memory card Format
When the lower display show ” Sd F “

  1. Use the ” ▲ Button ” ( 3-5, Fig. 1 ) or ” ▼ Button ” ( 3-6, Fig. 1 ) to adjust the value to select the upper text to “YES ” or ” no “.
    YES – Intend to format the SD memory card no – Not execute the SD memory card format

  2. If select the upper to ” YES “, press the ” Enter Button ” ( 3-8, Fig. 1 ) once again, the Display will show text ” Ent Sd F ” to confirm again, if make sure to do the SD memory card format,  then press ” Enter Button ” once will format the SD memory clear all the existing data that already saving into the SD card.

7-7 Air density
When the lower display show ” dnSt ” At this time first digit of will flash,
Use the “▲ Button” (3-5, Fig. 1) or “▼ Button” (3-6, Fig. 1) to adjust the value (Air density)
After the desired value is set, press the “Enter Button” (3-8, Fig. 1) once will going to Next digit adjustment (when 4 digit setting to complete) press the “Enter Button” (3-8, fig1) once to save setting value, then short press the “hold” button to exit setting mode.

POWER SUPPLY from DC ADAPTER

The meter also can supply the power supply from the DC 9V Power Adapter ( optional ). Insert the plug of Power Adapter into ” DC 9V Power Adapter Input Socket ” ( 3-14, Fig. 1 ). The  meter will use the DC ADAPTER power supply .

BATTERY REPLACEMENT

  1. When the left corner of LCD display show ” “, it is necessary to replace the battery. However, in-spec.
    measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate.

  2. Loose the screws of the ” Battery Cover ” ( 3-16, Fig. 1 ) and take away the ” Battery Cover ” from the instrument and remove the battery.

  3. Replace with DC 1.5 V battery ( UM3, AA, Alkaline/heavy duty ) x 6 PCs, and reinstate the cover.

  4. Make sure the battery cover is secured after changing batteries.

SYSTEM RESET

If the meter happen the troubles such as :
CPU system is hold ( for example, the key button can not be operated… ).
Then make the system RESET will fix the problem.
The system RESET procedures will be either following method :
During the power on, use a pin to press the ” Reset Button ” ( 3-13, Fig. 1 ) once a while will reset the circuit system.

RS232 PC SERIAL INTERFACE

The instrument has RS232 PC serial interface via a 3.5 mm terminal ( 3-12, Fig. 1 ).
The data output is a 16 digit stream which can be utilized for user’s specific application.
A RS232 lead with the following connection will be required to link the instrument with the PC serial port.LUTRON PAM-9212SD Pitot Tube Anemometer -
Connector

The 16 digits data stream will be displayed in the following format :
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Each digit indicates the following status :

D15 Start Word
D14 4
D13 When send the upper display data = 1
D12, D11 Annunciator for Display
mbar = 86 psi = 23
mm Fig = 78 inch Hg = 80
inch H2O = 25 Kg/cm2= 77
Atmosphere = 26 meter H20= 79
KPA= 88 h PA= 91
D10 Polarity

0 = Positive 1 = Negative
D9| Decimal Point(DP), position from right to the left
0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP
D8 to D1| Display reading, D1 = LSD, D8 = MSD For example :
If the display reading is 1234, then D8 to D1 is : 00001234
DO| End Word

RS232 FORMAT : 9600, N, 8, 1

Baud rate 9600
Parity No parity
Data bit no. 8 Data bits
Stop bit 1 Stop bit

OPTIONAL ACCESSORIES

Mmory card SD memory card
RS232 cable UPCB-02 * Computer interface cable.
  • Used to connect the meter to the computer ( COM port ).
    USB cable USB-01| * Computer interface cable.
  • Used to connect the meter to the computer ( USB port ).
    Data
    Acquisition
    software
    SW-U801-WIN| The SW-U801-WIN is a multi displays ( 1/2/4/6/8 displays ) powerful application software, provides the functions of data logging system, text display, angular display, chart display, data recorder high/low limit, data query, text data recorder high/low limit, data report, chart report.. .xxx.mdb data file can be retrieved for EXCEL, ACESS.., wide intelligent applications.
    Power adapter| AC 110V to DC 9V. USA plug.
    AC 220V/230V to DC 9V. Germany plug.

PATENT

Germany Nr. 20 2008 016 337.4
JAPAN 3151214
TAIWAN M 358970

M 359043
CHINA| ZL 2008 2 0189918.5
ZL 2008 2 0189917.0
USA| Patent pending

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