Model 4450

The Model 4450 Series 3-1/2 digit Two-Wire Process Indicator is a precision instrument that digitally indicates the value of a process measurement as represented by a standard 4-20mA or 10-50mA current signal.

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For quotes, please call us at (937) 433-1600 during normal business hours or email [email protected].

Specifications

ACCURACY: ±2 digits
INPUT CURRENT RANGES: 4-20mA or 10-50mA
INPUT VOLTAGE DROP:

• At full scale input: 4.2V max
• At extended range limit: 4.5V

STANDARD READOUT INDICATION: 00.0 to 100.0
EXTENDED READOUT RANGE CAPABILITY:

• At 35.98mA or 89.96mA: 199.9
• 10-50mA version will operate down to 4mA

OVERRANGE OR UNDERRANGE INDICATION:

• Above 199.9: blank except for “1” and a decimal point
• Below 4: will operate but may be inaccurate

EXTENDED RANGE ACCURACY: ±3 digits
TEMPERATURE COEFFICIENT (Worst Case):

• At zero: ±0.050 digits/°C (±50ppm/°C)
• At full scale: ±0.15 digits/°C (±150ppm/°C)

RADIO FREQUENCY INTERFERENCE:

• Not more than ±2 percent or ±15 digits readout change

HUMIDITY:

• Not more than ±2 percent calibration shift

VIBRATION: Will withstand up to 5G's vibration, 20 to 2000Hz
OPERATING TEMPERATURE: -10 to 55°C
STORAGE TEMPERATURE: -40 to 55°C