Utrecht
- Page 17 -
Ref. 001
Keys
Function
key
description.
Selector position
Description
On/off
Recall result
Save result
↑
I
Δ
N
x
↓
I
Δ
N
Clear memory
[S]
Vc lim / Display
Contact voltage (VC)
Tripping time (t)
Trip out current (I)
Voltage (VL-PE)
Frequency (f)
Send Data (RS232)
- to switch on/off the tester; the tester will switch off automatically after it hasn’t
been used for ten minutes or more;
- to recall the saved results;
- to save the displayed measuring results;
- to increase/decrease object or measuring place identification number when saving
or recalling results;
- to check, in the [Recall Result] function, other results which have been saved
later than the displayed one under the same object and measuring place
identification number;
- to select the appropriate multiplier of the nominal fault current in the t
Δ
N
function
(I
Δ
N
x)
- to select the appropriate nominal fault current in the V
C
, t
Δ
N
or I
Δ
functions (I
Δ
N
)
- to clear all saved results;
- to clear all saved results under a certain object identification number
(without dots YYY);
- to clear the saved results under a certain measuring place identification number
only (with dots XXX);
- to clear, in the [Recall Result]-function, the displayed result only;
- to execute a RESET of the instrument.
- key to select the ordinary or the selective (delayed trip out) type of the RCD in
the V
C
or t
Δ
N
functions
- to select [V
C LIM
] hen the rotary switch is in the [V
C]
position
- to display the results or the parameters of the displayed results
- to select, in the [Save Result] or in the [Recall Result]-function, the object
identification number or measuring place identification number;
- the measurement of the contact voltage;
- the measurement of the tripping time;
- the measurement of the trip out current;
- the measurement of the main voltage;
- measurement of main frequency;
- to transfer stored data to the printer or the PC.
Table 2: Switches
