Ecom Instruments Ex-Pt 720 Manual de usuario descargar pdf (Pagina 15)

Zone 1 / Class I Div. 2

FOR TESTING

CURRENT LOOPS

TECHNICAL DATA

Ambient temperature -10 °C to +50 °C

Storage temperature -30 °C to +60 °C

Maximum voltage 28 Volt

Relative humidity

95 % (0 °C to +30 °C);

75 % (+30 °C to +40 °C);

45 % (-40 °C to +50 °C)

Power supply 1x 6LR61, type approved

Operating time 18 hours typical, at 12 mA

Dimensions (HxWxD) 164 x 75 x 47 mm (with holster)

Weight 350 g (with holster)

SUMMARY SPECIFICATIONS (18 °C TO 28 °C. ONE YEAR)

Function Range Resolution Accuracy

Voltage measure 0 to 28 V 0.001 V ±(0.015 % v. MW. +2 Digits)

mA measure 0 to 24 mA 0.001 mA ±(0.015 % v. MW. +2 Digits)

mA source

0 to 24 mA 0.001 mA ±(0.015 % v. MW. +2 Digits)

mA simulate

0 to 24 mA 0.001 mA ±(0.015 % v. MW. +2 Digits)

Loop supply 24 V n. z. 24 V ± 1 V DC

Temperature Coefcient, -10 to 18 °C, 28 to 55 °C: ± 0.005 % of range per °C;

Max load, 700 Ohms at 20 mA

Max applied voltage for simulation, 28 V

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 31 32

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Ecom Instruments Ex-Pt 720 Manual de usuario Pagina 15