Cooper Instruments & Systems PTT 260 Digital Pressure Sensor - Manual (Page 8)

CF 197 5 I&M011-10172 Rev A 5/11
5. NOISE PREVENTION
Power Supply
The pressure display can fluctuate and provide incorrect output if noise is present in the power
supply/wires. Care should be taken to keep the PTT 260 power supply wires from high voltage lines
and use a power line with a high noise rejection ratio.
6. STORAGE
Store in a location in compliance with the environmental rating of the unit and within –20 to +70°C (–4
to 158°F). Avoid direct exposure of the display to Sunlight.
7. MAINTENANCE
Although this is a solid state device, it is recommended that a visual inspection be conducted twice a
year along with regular zero adjustment if necessary.
8. MENU NAVIGATION
Functions
Please Note: Do not use sharp objects to press the keys as this can puncture and damage the panel.
Pressing the
key for 3 seconds displays “_ _ _”. To return to measurement mode, the “_ _ _”
display will flash when 3 seconds have passed.