[EN] English - K0457
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 each
instrument and the accessories/options available.
1.2 PV 621 models
Items 5, 9, 10: Not applicable
Figure 1-1:
General views
1
2
3
4
6
7
8
11
12
13
1.
Optional accessory: Pressure connection for a
pressure relief valve (PRV); see Section 1.2.1. A
blanking plug is standard.
2.
Test port: Pressure connection (G1/8 or 1/8NPT) to
attach the device under test; see Section 1.2.2.
3.
Pressure and electrical connections for a PM 620
module.
Seal the pressure connection with a blanking plug
(P/N IO620-BLANK) or a PM 620 module that has the
correct pressure rating.
4.
Pneumatic pressure release valve to release pressure
in the system; see Section 1.2.3.
6.
Moulded compartment for the DPI 620 calibrator with
electrical connections and a mechanism to hold it in
position.
7.
Push-button mechanism to release the DPI 620
calibrator.
8.
Pneumatic volume adjuster; see Section 1.2.4.
11.
Pressure/vacuum selector to set the pump operation:
pressure (+), vacuum (-); see Section 1.2.5.
12.
Pump mechanism; see Section 1.2.6.
13.
Carrying strap with a carry handle and a shoulder
strap.
