Index | Low Temperature | Medium Temperature | High Temperature |
ET3805-150A/B/C W | ET3805-650W | ET3805-1200 A/B W |
Channels and Signal types | 5 electric measurement channels,2 standard channels(standard RTD*1,standard thermocouple*1 ) ,3 multifunctional measurement channels | 6 electric measurement channels,2 standard channels(standard RTD*1,standard thermocouple*1 ) ,2 multifunctional measurement channels,2 detected thermocouple + current measurement channel |
multifunctional measurement channels' function | mA/mV/V/Ω(2,3,4wires)measurement,DC24Voutput,HART transmitter(*),switch measurement, etc | mA/mV/V/Ω(2,3,4wires)/RTD/TC measurement,DC24V output,HART transmitter(*),switch measurement, etc |
Standard TC channel's parameter | TC types:S,R,B,Measurement range:-18~18mV,temp measurement accuracy :±(0.005%rdg + 2uV),temp coefficient:5PPM.FS/ºC | TC types:S,R,B,Measurement range:-18~18mV, measurement accuracy :±(0.005%rdg + 2uV),temp coefficient:5PPM.FS/ºC |
Standard RTD channel's parameter | Measurement types: 4 -wires RTD constant current commutator true ohm measurement ; RTD types: ITS-90,CVD,IEC-751; Resistance measurement range :(0~400)Ω;accuracy :±0.002Ω @(0~50)Ω,±40ppm reading @(50~400)Ω;resolution rate:1mΩ;temperature coefficient:±1ppmreadking/ºC(0~8ºC or 38~50ºC) ; | Measurement types: 4 -wires RTD constant current commutator true ohm measurement ; RTD types: ITS-90,CVD,IEC-751;Resistance measurement range :(0~400)Ω;accuracy :±0.002Ω @(0~50)Ω,±40ppm reading @(50~400)Ω;resolution rate:1mΩ;temperature coefficient:±1ppm reading/ºC(0~8ºC or 38~50ºC) ; |
built-in cold junction index | Measurement range:0~50ºC,accuracy :±0.2ºC,sensor type :PT100 | Measurement range:0~50ºC,accuracy :±0.2ºC,sensor type :PT100 |
Detected channel mV/TC index | TC type:MINI-TC interface,S/R/K/B/N/E/J/T/C/D/G/L/U,total 13 types;signal range:(-75~75)mV;accuracy :±(0.01%rdg + 8uV);resolution rate:1µV;temperature coefficient :±5ppm reading/ºC (0ºC~8ºC or 38ºC~50ºC);Cold junction measurement range and acuracy :±0.35ºC @(0~50)ºC; | TC type:MINI-TC interface,S/R/K/B/N/E/J/T/C/D/G/L/U,total 13 types;signal range:(-75~75)mV;accuracy :±(0.01%rdg + 8uV);resolution rate:1µV;temperature coefficient :±5ppm reading/ºC (0ºC~8ºC or 38ºC~50ºC);Cold junction measurement range and accuracy :±0.35ºC @(0~50)ºC; |
Detected channel Ω/RTD index | Measurement types:2 wires /3 wires/4 wires RTD constant current commutator true ohm measurement ;RTD types:PT10,PT25,PT50,PT100,PT200,PT500,PT1000,CU10,CU50,CU100,NI100,NI120,etc;Resistance measurement range:(0~400)Ω,(0~4000)Ω;accuracy :±0.002Ω @(0~25)Ω,±80ppm reading @(25~4000)Ω;2 wires measurement adds 50 mΩ;measurement resolution rate:1mΩ(400Ω), 10mΩ(4000Ω); temperature coefficient :±1ppm reading/ºC(0~8ºC or 38~50ºC) ; | Measurement types:2 wires /3 wires/4 wires RTD constant current commutator true ohm measurement ;RTD types:PT10,PT25,PT50,PT100,PT200,PT500,PT1000,CU10,CU50,CU100,NI100,NI120,etc;Resistance measurement range:(0~400)Ω,(0~4000)Ω;accuracy :±0.002Ω @(0~25)Ω,±80ppm reading @(25~4000)Ω;2 wires measurement adds 50 mΩ;measurement resolution rate:1mΩ(400Ω), 10mΩ(4000Ω); temperature coefficient :±1ppm reading/ºC(0~8ºC or 38~50ºC) ; |
Detected channel mA index | Measurement range:-30~30mA,measurement accuracy:±(0.01%rdg + 2uA), input impedance :<10Ω,temperature coefficient :5ppm.FS/ºC | Measurement range:-30~30mA,measurement accuracy:±(0.01%rdg + 2uA), input impedance :<10Ω,temperature coefficient :5ppm.FS/ºC |
Detected channel V index | Measurement range:-30~30V,-12~12V(auto range),measurement accuracy:±(0.01%rdg + 0.6mV),input impedance:>1MΩ,temperature coefficient:5ppm.FS/ºC | Measurement range:-30~30V,-12~12V(auto range),measurement accuracy:±(0.01%rdg + 0.6mV),input impedance:>1MΩ,temperature coefficient:5ppm.FS/ºC |
Detected channel-other index | - temperature switch:
Supports mechanical and electronic switches ;temperature transmitter: support current,voltage and HART transmitter(*);Loop power :DC24V±0.5V,max load current 60mA | temperature switch:Supports mechanical and electronic switches;temperature transmitter: support current,voltage and HART transmitter(*);Loop power :DC24V±0.5V,max load current 60mA |
Working temperature range(ensure its index ) | 23±5ºC | 23±5ºC |