GE Druck DPI 620, Руководство пользователя

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[EN] English - K0449 Instrument parts, accessories and options 1-1
Chapter 1: Instrument parts,
accessories and options
1.1 Introduction
This chapter gives a description of the different parts of the
instrument and the accessories/options available.
1.2 The instrument
1. On or off button. Press and hold the button down until the
display comes on.
2. Channel 1 (CH1) and channel 2 (CH2) connectors for
electrical operations; see
Figure 1-2 .
3. Rubber pull-down cover for the USB type A connector; USB
mini type B connector and +5V DC power input socket;
see
Figure 1-3 .
4.
Colour display with touch-screen. The number of windows
you see on the display is set by the number of task selections
and external modules you are working with (maximum: 6);
see
Section 2.9 (Display operation) .
To make a selection, lightly tap on the applicable display area
with a finger.
5.
Sealed speaker unit.
1
2
5
3
4
Figure 1-1: General view of
the instrument
2a Channel 1 (CH1) connectors for:
V: volts/mV DC or AC*; Hz: frequency and counts/min,
counts/hour (cpm/cph);
:
: resistance; RTD: 2-wire,
3-wire (3W), 4-wire (4W) resistance temperature detectors;
: switch operation; mA+, mA-: current. Refer to
Chapter 3 (Electrical and IDOS operations) .
2b Channel 1 (CH1) connectors for thermocouples ( TC ). Refer to
Chapter 3 .
2c Isolated channel 2 (CH2) connectors for:
V: volts/mV DC; mA+, mA-: current; 24Vo: 24V loop power
supply; : switch operation; refer to Chapter 3 . For HART
connections, refer to Chapter 8 .
(COM = Common) Note: * You can measure an AC voltage (maximum: 20 Vrms)
without the GE specified AC probe (P/N IO620-AC). If it is more than
20Vrms, you must use the AC probe (maximum: 300 Vrms) in CH1
connectors V/Hz and COM; see
Section 3.2.5 .
Figure 1-2: CH1/CH2
connections
2 b c a