Error code

Testo su sertliği test cihazı All models code RS232

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Meaning

RS232 2 1 12V testo 445 Socket 1: - Thermal velocity probes (heated wire or ball) - Vanes (inductive) - Temperature probes (Type K/J/S T/C or NTC) Keypad: - Differential pressure probes (piezoresistive) - Absolute pressure probes On/Off (piezoresistive) Prints - CO 2 probe (2 beam infrared sensor) - CO probe Confirms menu Socket 2: setting/ executes function - Combined probe for humidity (capacitive) Saves and temperature (NTC or Ni 10000) Return to current - 3-function probe for humidity (capacitive), measurement/ temperature (NTC) and velocity location (ball) Arrow buttons RS232: PC connection move the cursor 12V: Mains connection testo 645 Hold Max Min Socket 1: Mean - Temperature probes (T/C type K/J/S or NTC) Socket 2: - Combined probe for humidity (capactive) and temperature (NTC or Ni 10000) - Temperature probes (PT100) RS232: Connection for PC 12V: Mains unit connection 6

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