13Section 2 SpecificationsSpecifications are subject to change without notice.2.1 Technical specificationsOPERATING CONDITIONSOperating temperature limits –5 to 50°C (23 to 122 °F)Storage temperature limits –20 to 70°C (–4 to 158 °F)Operating humidity limits 0 to 95% non condensing relative humidityOperating altitude From 0 to 2,000 m. (6,550 ft.) above sea levelEMC requirementsEN61326-1: EMC DirectiveNote: The wall mount instrument is a Class A product. In a domestic environment thisproduct may cause radio interference in which case the user may be required to takeadequate measures.Korean registrationUser Guidance for EMC Class A Equipment업무용을 위한 EMC 등급 A 장치에 대한사용자 지침사용자안내문A 급 기기 ( 업무용 방송통신기자재 ) 이 기기는 업무용 (A 급 ) 전자파적합기기로서 판매자 또는 사용자는 이 점을 주의하시기 바라며 , 가정외의지역에서 사용하는 것을 목적으로 합니다 .CE compliance EN61010-1: LVD DirectiveSafety rating ETL, conforming to UL 61010-1 and CSA 22.2 No. 61010-1Enclosure ratingsIP 65 Totally protected against dust. Protected against low pressure jets of water from alldirections.NEMA4X (wall mount only) Totally protected against dust. Protected against pressure jetsof water from all directions.WARNINGEnclosure rating does not apply to external power supply for benchtopinstruments.POWER SUPPLYPower supply Universal 100 VAC to 240 VAC @ 50/60Hz - 40VA10 to 30 VDC - 30WANALOG OUTPUTSAnalog current output version onthe measurement board4-20 mA (default) or 0-20 mA (configuration with software)3 configurable outputsMaximum load: 500 ohmSensitivity: 20μAAccuracy: ± 0.5% (between operating temperature limits)Analog voltage output version onthe measurement board0- 5 V output (hardware option)3 configurable outputsMinimum load: 10 KOhmSensitivity: 5 mVAccuracy: ± 0.5% (between operating temperature limits)DIGITAL OUTPUTSMeasurement alarm relays on themeasurement boardThree alarm relays1A-30 VAC or 0.5A-50 VDC on a resistance loadConfigurable to Normally Open [NO] or Normally Closed [NC] contacts by changing thejumper positions.WARNINGPotential Electrocution Hazard. Connect only safety low voltage < 33 VAC RMS.