Agilent Technologies U1701A Manuale utente

Agilent Technologies

Agilent

U1701A Dual Display

Handheld Capacitance

Meter

Quick Start Guide

1U1701A Quick Start Guide

The Agilent U1701A is safety-certified in compliance with the

following safety and EMC requirements:

•IEC 61010-1:2001/EN 61010-1:2001 (2nd Edition)

•CISPR 11:2003+A1:2004

•IEC 61000-4-2:1995+A1:1998 +A2:2000

•IEC 61000-4-3:2006

•IEC 61000-4-4:2004

•IEC 61000-4-5:2005

•IEC 61000-4-6:2003+A1:2004+A2:2006

•IEC 61000-4-11:2004

•Canada: ICES-001:2004

•Australia/New Zealand: AS/NZS CISPR11:2004

Safety Notices

CAUTION

A CAUTION notice denotes a hazard. It calls attention to an

operating procedure, practice, or the like that, if not correctly

performed or adhered to, could result in damage to the prod-

uct or loss of important data. Do not proceed beyond a CAU-

TION notice until the indicated conditions are fully

understood and met.

WARNING

WARNING notice denotes a hazard. It calls attention to an

operating procedure, practice, or the like that, if not cor-

rectly performed or adhered to, could result in personal

injury or death. Do not proceed beyond a WARNING notice

until the indicated conditions are fully understood and met.

Safety Symbols

Direct current

Alternating current

Three-phase alternating current

Both direct and alternating current

Earth (ground) terminal

Equipotentiality

Caution, hot surface

Off (supply)

On (supply)

Protective conductor terminal

Caution, risk of electric shock

Out position of a bi-stable control

In position of a bi-stable control

Frame or chassis terminal

Equipment protected throughout by

double insulation or reinforced

insulation

Caution, risk of danger (refer to this

manual for specific Warning or Caution

information

Safety Information

U1701A Quick Start Guide 2

Quick Start

1Press to power- on the meter.

2To test for capacitance, keep an open circuit on the test leads and press to subtract the

residual capacitance of the meter and leads.

3Insert the capacitor legs into +and –input terminals respectively. Ensure that the polarity of

the capacitor’s leg are correct.

4Remove your hands from capacitor to allow it to be tested.

5Read the measurement on the display.

CAUTION

Measuring tip: For measuring capacitance of more than 1000 µF, first, discharge the

capacitor then select a suitable range to measure it. This will shorten the measuring

time to achieve an accurate value.

Degradation of some product specifications can occur in the presence of ambient

electromagnetic (EM) fields and noise that couples to the product’s powerline or I/O

cables. The product self-recovers and operates to all specifications when the source of

the ambient EM field and noise are removed or the product is protected from the

ambient EM field or the product cabling is shielded from the ambient EM noise.

Annunciator Display

Keypad

Input Terminals

U1701A Dual Display Handheld Capacitance Meter

3U1701A Quick Start Guide

No. Descriptions No. Descriptions

1 Low battery indicator 10 Relative mode

2 Reading out of LO limit 11 Data hold to hold the displayed digital value. (DH

flashing means under trigger)

3 Primary display for capacitance measurement 12 Secondary display

4 Reading out of HI limit 13 Audible alert for tolerance and compare mode

5 Auto power off indicator 14 Unit for tolerance display

6 Tolerance mode, to set 1%, 5%, 10%, and 20% for

sorting capacitance

15 Unit for Beeper Frequency as setup mode

7 AUTO range 16 Unit for capacitance (pF, nF, µF, and mF)

8 Charging period will be flashed, display as

discharging period

17 Remote control

9 Static recording mode for MAX, MIN, AVG and

Present (MAXAVGMIN)

10 12

Display Annunciators

U1701A Quick Start Guide 4

No. Keys Functions No. Terminals Functions

1 Power To turn ON/OFF the instrument 10 +Positive terminal

2 SET Set high/low limits for compare mode 11 –Negative terminal

3 REC Static recording mode 12 GUARD Guard terminal

4 Compare mode

5TOL Tolerancemode

6REL Relativemode

7 HOLD

SAVE

Data hold

To store the setting value into the

memory

8RANGE

AUTO

Manual range

Auto range

9 HI/LO High/Low limits

Backlight display

WARNING

To avoid damaging this instrument, do not exceed the input limit. Do not apply

voltage to input terminals. Discharge the capacitor before testing.

Keypad Operations

10 12

Terminals

5U1701A Quick Start Guide

Actions Steps

To power ON or OFF Press

To enable data hold function Press

To trigger holding next reading Press momentarily

To exit data hold mode Press for more than 1 s

To enable recording function

•The beeper will beep when a new MAX or MIN value has

been recorded.

•The static recording captures stable values and updates

the memory. It will not record values that are overloaded,

OL or below 10 count value.

Press

To cycle through maximum, minimum, average, and present

readings

•MAX, MIN, AVG or MAX AVG MIN annunciator will be

turned on respectively to indicate which value is being

displayed

Press momentarily

To exit the recording mode Press for more than 1 s

To enable relative function

•Relative function shows the difference between the

measured value and the offset reference value. The

display may show a non-zero value due to the presence

of test leads. Use the relative function to nullify the

residual.

•Relative function can operate in both auto and manual

ranging mode but the function cannot be set when an

overload value exists.

•RELannuciator will be displayed.

Press

To renew the relative value Press again

To exit relative mode Press for more than 1 s

To select manual range and to turn off the AUTO

annunciator

Press

To step up a range at a time Press again

Features and Functions

U1701A Quick Start Guide 6

Actions Steps

To select auto-range

•In auto range mode, the AUTO annunciator is displayed

and the instrument will select an appropriate range for

resolution if the reading is greater than the maximum

available range. OL will be displayed.

•The instrument will select a lower range when the

reading is less than 9% of full scale.

Press for more than 1 s

To enable the tolerance mode and to set the display value

as a standard reference

•TOLannunciator will be displayed.

•The tolerance will be displayed on the secondary display.

•The instrument range will be locked.

Press

To cycle through 1%, 5%, 10% and 20% tolerance

•will be indicated.

•Beeper will beep once if the test value is within the

selected tolerance. If the test value is out of the

tolerance, the beeper will beep three times.

•This mode cannot be enabled under the following

conditions:

•After setting the recording mode

•After setting the compare mode

•Display showing either OL or below 10 counts

Press momentarily

To exit tolerance mode Press and hold for more than 1 s

To enable compare mode

•Measuring range will be locked

•will be displayed and the secondary display will

indicate C # #, meaning which set has been used for

compare mode. The two right digits indicate current

compare set. The ##range from 01 to 25.

•The primary display shows the present measurement. In

this state, it is ready for testing.

•If the reading is beyond the high limit, will be

indicated. will be indicated if the reading is out of the

low limit. The beeper will beep three times and the

secondary display will indicate nGo.

•If the reading is within the high and low limits, the beeper

will beep once, and the secondary display will indicate

Go. After three seconds or when the reading is lower

than 10 counts, the instrument will return to its ready

state.

•The secondary display will indicate C01 to C25 according

to the comparison record that has been selected.

Press

7U1701A Quick Start Guide

Actions Steps

To save comparison set for next entry Press and hold for more than 1 s

To exit compare mode Press

To view the High/Low limit value to be used as compare

mode

Press momentarily

To cycle through HI limit, LO limit, and present values on

the primary display

•The secondary display showed as H # #, L # # and C #

#respectively.

•After three seconds without pressing this button again, it

will return to the present value display.

Press

To toggle HI and LO limits for adjustment Press momentarily

To enter HI/LO limits setting mode

•The secondary display will flash H01 and the primary

display will indicate the value of HI limit.

•The following buttons will be used for this setting mode:

aTo select which digit to be adjusted

bTo increase or decrease the current digit’s value

cTo select High or Low limit to be set.

dTo store the setting value in the memory. The beeper will

beep twice if the selected value has been stored. If the

current setting do not meet the rule that the high limit

must be equal or greater than the low limit, the beeper

will beep three times.

eTo select next compare setting. To cycle through L01 (or

H01) to L25 (or H25), then return to L01 (H01) setting.

Press for more than 1 s

Press (Left) or (Right)

Press (Up) or (Down)

Press

Press for more than 1 s

Press momentarily

To exit the HI/LO limit setting mode Press for more than 1 s

To toggle backlight ON/OFF

•Backlight turns off automatically after setting period by

setup mode.

Press and hold for more than 1 s

U1701A Quick Start Guide 8

Power-On Options

To select power- on options, press and hold while turning the ON/OFF switch to ON

position. The power- on options are listed in Table 1- 1:

How to Enter Setup Mode

Press and hold and power on the instrument from OFF status. Release when

you hear a beep, the instrument will then enter setup mode. These parameters will be

remained in the non- volatile memory even after the instrument is turned off. To

configure the related parameters on setup mode, ensure that the following procedures are

followed:

1Press (Left) or (Right) to select the menu item to be set.

2Press (Up) or (Down) to change the parameter.

3Press to select the digit to be adjusted, the selected digit will flash.

4Press and hold for more than 1 s to save your setting.

5Press for more than 1 s to exit setup mode.

Table 1- 1 Power-On Options

Key Description

HOLD Demonstrate Annunciators

To demonstrate the annunciators, the entire annunciators will

be displayed. Press any button to exit demonstration mode.

Reset the high and low limits to factory’s default values.

RANGE Fast power off test for factory’s purpose

REL To view the firmware revision

SET Setup Mode

To configure related parameter, please refer to “How To Enter

Setup Mode”.

9U1701A Quick Start Guide

Factory Default Settings

The following table below lists out the setup menu item and factory default settings.

Table 1- 2 Outline of Setup Menu Items

Menu Item Default Selectable Parameters

bAUd 9600 Baud rate: 2400, 4800, 9600, 19200

PArt none Parity: Odd, Even or None

Data 8-b 8 bits or 7 bits (Stop bit is always 1 bit)

Echo oFF Echo: on or oFF

Prnt oFF Print: on or oFF

beep 4800 Driving frequency: 4800, 2400, 1200, 600 Hz.

oFF: To disable beep.

LbUt oFF Lock buttons

oFF: Enable keypad

on: Disable keypad

AoFF 15 1~99 minutes, oFF: To disable auto power-off

blit 30 1~99 seconds, oFF: To disable turning off backlight

automatically

boFF oFF Backlight level of brightness at OFF state: oFF~09

bon 09 Backlight level of brightness at ON state: oFF~09

dEFA rSt Reset the above items to factory’s default setting.

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