User manual

2 SDL720-en-GB_V1.0 12/16

Introduction

CongratulationsonyourpurchaseoftheExtechSDL720PressureManometer.Thisdevice

measuresgaugeanddifferentialpressureintherangeof±29psi.Supportedmeasurementunits

arebar,psi,Kg/cm

,mmHg,inchHg,metersofH

O,inchesofH

O,atmosphere,hPA,andkPA.

LoggeddatareadingsarestoredonanSDcardfortransfertoaPC.Thismeterisshippedfully

testedandcalibratedand,withproperuse,willprovideyearsofreliableservice.Pleasevisitour

website(www.extech.com)tocheckforthelatestversionofthisUser

Manual,other

Translationsofthismanual,andCustomerSupport.



Safety

InternationalSafetySymbols

Thissymbol,adjacenttoanothersymbolorterminal,indicatestheusermustrefertothe

manualforfurtherinformation.



MeterDescription

1. P1Input(positive+)

2. P2Input(negative‐)

3. LCDDisplay

4. HOLDandBacklight

key

5. MAX‐MINkey

6. SETandClock

key

7. RS232outputjack

8. Resetbutton

9. PowerAdaptorjack

10. SDcardslot

11. ENTERandLOGkey

12. Downarrow▼key

(Press▼&▲keyatsametimetozerometer)

13. Uparrow▲/UNITkey

(Press▼&▲keyatsametime

tozerometer)

14. PowerON‐OFF

key

Notes:Items7,8,and9arelocatedbehindthesnap‐offcompartmentcoveronmeter’srightside.

Batterycompa rtmen t,tiltstand,andtripodmount arelocatedontherearoftheinstrument.