Philips PM2521 Operating Manual page 25

24
2.2. GENERAL DATA
2.2.1. Conversion characteristics (ADC)
Type of conversion
Operating principle
Range settyjg'
ft
Polarity setting
Linear
Repetitive triggered
Automatically
Manual by means of pushbuttons UP and DOWN
Automatically in the functions V, A, °C, trigger level, dB and
ZERO SET
2.2.2. Visual representation of the display
Number of digits
Range changing 4
Means of representation of the output value
Means of polarity representation
Means of function representation
Means of unit representation
Means of overload representation
Means of decimal point representation
Means of ranging representation
Means of relative reference representation
Data hold
3% in functions A rrrr and A ~,
4% in functions V — V ~, °C, 12 and -►f-
5 in functions Hz and s.
4% digit function 3% digit function
Range up
Range down
20200 + 20
01800 ± 20
2020 ± 2
0180 ± 2
Liquid crystal display (LCD), height 13 mm
Reflective, lit from front side
Automatic + — and ~ in the LCD
With the function selector on the textplate
Automatic in the LCD
mV, V, kHz, MHz, s, °C, 12, k!2, M12, juA, mA, A and db
LCD indicates OL
Automatic, depending on the selected range in the LCD
Automatic in t.CD
* for manual ranging
Automatic in LCD
Z,S
With optional Data Hold probe PM 9263
With pushbutton STOP in function s
Range hold
t
With AUTO/MAN * ranging pushbutton
t
2.2.3. Operating conditions in accordance with IEC 359
2.2.3.1. Climatic conditions
In accordance with Group I of IEC 359 with extension of the temperature limits
Temperature
Reference temperature
Rated range of use
Upper temperature limit
Limit range of storage and transport
Humidity
Relative humidity
2.2.3.2. Mechanical conditions
In accordance with Group 2 of IEC 359
23 °C ± 1 °C
+0 °C ... +45 °C
+45 °C
-40 °C ... +70 °C
20 % ... 80 % RH, non-condensing
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