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Altek’ s Model 211 RTD Calibrator lets you simulate and read RTDs over the entire industrial temperature range. Use with transmitters, single & dual channel recorders, controllers, alarms and indicators. Switch between four Pt 100, one Pt 1000, one Cu 10, two Ni RTD curves or ohms ranges from 0.00 to 410.00 and 0.0 to 2010.0.

Field customize the Model 211 to lock-in 1° resolution, fixed ° C or ° F or front selectable ° F/ ° C operation. Read and simulate 2-wire and automatically compensate for 3-wire RTDs with built-in leads. A plug-in lead is supplied for 4-wire RTD measurements. RTD types may be selected each time the unit is turned on. If you always use one RTD curve, lock-in the selected RTD type with the internal DIP switch to prevent accidental change to an unwanted RTD type.

Resolution is 0.1° C or F simulating the full range of Pt 100 ohm RTDs into devices supplying a continuous excitation current of 0.09 to 1.1 mA. From 1.1 to 5.800 mA continuous excitation current the 111 resolution automatically adjusts to 1° C or F. Ohms range provides 0.01 ohm resolution from 0.00 to 410.00 ohms which automactically switches to 0.1 ohm resolution for continuous excitation currents above 1.1 mA.

Simulate all your RTD Inputs — Transmitters, recorders, controllers, alarms, indicators, process data acquistion and computer systems using two-three-four-wire hook-ups.
Built-In RTD Thermometer — Connect an RTD and instantly read the temperature. Instantly recall the maximum temperatures at any time to check the process.
QUIK-CHEK Switch — Instantly recall three output temperatures.
Display Directly in ° C & ° F — Typical accuracy: ± 0.013% of Span ( ± 0.2° C/ ± 0.3° F)