Temperature transmitter for Pt100 sensor input, DC 4-20mA output.
■ Converts the measurement input of a standard Pt100 sensor (100Ω/0℃) to a 2-wire linear 4-20mA current signal ■ Achieves high accuracy and stability through digital linearization technology ■ The scaling for the temperature range corresponding to 4-20mA can be freely set within the range of -200 to +650℃ (minimum span 25℃) (The factory default setting is 4-20mA = 0-100℃) ■ A red LED inside the transmitter warns of abnormal conditions during setup (temperature outside the set range, sensor disconnection or short circuit) ■ Equipped with reverse polarity protection circuit ▲ For Pt100 sensor input, measurement range -200 to +650℃, scalable ▲ Built-in Pt100 sensor (HD786TR1/TR2) ▲ All models have DC 4-20mA output ▲ Standalone, wall-mounted, and DIN rail-mounted types
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■Input Connection: 3-wire (or 2-wire) Linearization: EN60751, IEC751, BS1904 (α= 0.00385) Sensor current: <1mA Measurement range: -200 to +650℃ Standard setting range: 0 to 100℃ (minimum span for scaling 25℃) Conversion speed: 2 times/second Accuracy: ±0.1℃ ±0.1% rdg (-100 to +500℃) ±0.2℃ ±0.02% rdg (-200 to +650℃) Effect of ambient temperature variation: 0.01℃/℃ ■Output Output type: 4–20mA (or 20–4mA) outputs 22mA for setting errors or out-of-range temperatures Resolution: [HD786TR1/TR2, HD988TR1.I] 4μA [HD988TR2] Analog output = 4μA Display = 0.1℃ (≤200℃), 1℃ (>200℃) ■Power supply: DC7–30V (with reverse polarity protection) ■Load resistance: RLmax = (Vdc-7)/0.022 RLmax = 770Ω at Vdc = DC24V ■Input/output isolation: Only HD988TR1.I: DC500V ■Operating / storage temperature: -20 to +70℃ / -40 to +80℃
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Sakaki Corporation provides products and services from leading European manufacturers such as "Sensirion (formerly Delta Ohm) (formerly Glaesinger)", "Senseair", "Z-LAZER", and "LSI Lastem" as the official importer and distributor in Japan. Additionally, we develop, support, and undertake custom development and mass production of our own brand network IoT products, including routers and gateways that support camera video and solar power cloud services.
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