Temperature Transmitters Comparison (3 models)

Side-by-side key specifications across temperature transmitters. All figures quoted verbatim from official sources; accuracy formulas keep counting errors and units.

Parameter3144PYTA 系列iTEMP TMT82
Sensor input通用传感器输入(RTD/T/C/mV/Ω),单或双传感器通用输入(热电阻/热电偶/mV/Ω),支持多种传感器及 CV 标定双通道通用输入:RTD(Pt/Ni/Cu)/ 热电偶(B/E/J/K/N/R/S/T/L/U/W5Re)/ 电阻 / mV
Channels单通道 / 双通道单通道双通道
Accuracy±0.10 ℃(Pt100 数字);增强精度选件 ±0.08 ℃随型号与传感器类型(YTA610 等)±0.08 ℃(Pt100 数字,典型 ±0.05 ℃)
Sensor rangePt100 -200~+850 ℃ 等(随传感器类型)随传感器类型Pt100 -200~+850 ℃;K 型 -180~1372 ℃;B 型 100~1820 ℃
Sensor-transmitter matchingYesYes
Output signal4-20 mA HART / FF4-20 mA + HART4-20 mA + HART 7(FSK 1200 baud)
Communication protocolHART / FFHARTHART 7
SIL ratingSIL 2 / SIL 3(IEC 61508 第三方认证)SIL 2SIL 2 / SIL 3
Explosion protectionATEX / IECEx / FM / CSA / NEPSI(Ex ia IIC T6 本安等)ATEX / IECEx / NEPSI(本安/隔爆可选)ATEX / IECEx / FM / CSA / NEPSI / EAC(Ex ia / Ex d 可选)
IP rating双腔现场安装外壳IP66/67 级现场外壳IP66/67/68(现场型外壳)
Diagnostics基础诊断、Hot Backup™ 热备份、传感器漂移警告、热电偶老化传感器诊断、NAMUR 兼容NAMUR NE107、传感器冗余、漂移警告、双传感器温漂警告
Mounting type双腔现场安装表头直插式 / 现场型表头直插式 / 现场型外壳 / 模块化
Supply voltage
CertificationsATEX / IECEx / FM / CSA / NEPSIATEX / IECEx / NEPSIATEX / IECEx / FM / CSA / NEPSI / EAC / DNV GL 船级

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