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4

4.   

The  function  selector  switch  (6)  is  coupled  with  the  Automatic  terminal 
Blocking System (ABS) which allows access only to two correct sockets for 
each  function.  Prior  to  switching  to  the  "mA"    functions  or  from  the  "mA"   
functions, remove the test lead from the corresponding socket. When the test 
leads  are  plugged-in,  the  terminal  blocking  systems  prevents  accidental 
switching to non permissible functions.

Function and range selection

4.1 Switching the DC current measuring ranges 

300 µ A, 30 mA,300 mA 
not automatically  selected when the meter is switched ON. The above ranges 
can only be  selected manually with  “AUTO/MAN” key!

The current measuring ranges mentioned above are 

Turning the multimeter OFF

Press the "ON/OFF" pushbutton (2).

How to prevent automatic TURN-OFF

In  order  to  prevent  automatic  "TURN  OFF"  select  "CONTINUOUSLY  ON" 
mode. For this, press y

"ON/OFF" 

pushbutton  (2)  together.  The  function  "CONTINUOUSLY  ON"
is shown on the LCD (1) by the symbol           

ellow multi-function pushbutton (5) and the 

(8).

ON

4.2  Autoranging

The  multimeters  feature  autoranging  for  all  measuring  ranges  with  the 
exception  of the 30 mV 

   

Autoranging is automatically selected after switching the Multimeter ON. 

According  to  the  measured  quantity  applied,  the  multimeter  automatically 
selects  the measuring range which gives the best resolution. When switching 
to frequency measurement and to ratio measurement, the previously selected 
voltage  measuring  range is maintained.

- - -, 300 mV.

Note:

F

Automatic turn-OFF is inactive on all current measuring ranges when 

the measured value display exceeds 30 digits.

Set the function selector switch (6) to the desired position.

Disconnect the meter from the measuring circuit before you open it, and see 
section "18.Maintenance"!

Automatic TURN - OFF

The meter turns off automatically, when the measured value remains constant 
(variations of the measured value < + 2digits) for about 10 minutes and when 
neither a pushbutton nor the function selector switch is operated during that 
time. It remains ON, however, when a current measuring range is selected and 
a measured value>30digits is displayed.

The meter switches automatically to :

The next higher range 

at +  (3099 1digit) 

the next lower range 

at + (240/280 digits - 1 digit)     

from the 300mA - - -   to the 3mA - - -  

 

range 

at + (24 digits - 1 digit)

27

Response time

Transient response for

step function of the

measured quantity

Response time (after manual range selection)

of analog

indication

V

, V 

~,

, A

30

W

 ... 3 M

W

30 M

W

nF 

m

F, 

0

C

300 Hz, 3 kHz

30, 100 kHz

% (1 Hz)

% ( >10Hz)

Measured quantity/

measuring range

of digital

display

0.7 s

1.5 s

4s

0.7 s

1.5 s

2 s

5 s

1.5 s

max. 1...3 s

max. 2 s

max. 0.7 s

max. 9 s

max. 2.5 s

from 0 to 80 %

of upper range limit

from oo to 50 %

of upper range limit

from 0 to 50 %

of upper range limit

~

Interface

Type 

RS232C, serial, as per DIN 19241

Data transmission   

Optically with infrared light through the case

 Baud rate  

8192 bits/s

Ambient conditions

Functional temperature

0

range   

-10

Storage temperature

0

range  

-25

Climatic class   

2z/-10/50/70/75 % with ref

Altitude   

up to 

 

Mechanical configuration

Protection type    

IP 50, for the connection sockets IP 20 according to 

DIN VDE 0470 Part 1 /EN 60529

Dimensions    

84 mm x 

 

Weight   

350 g approx.,including battery 

18.   Maintenance

Caution

Disconnect the meter from the measuring circuit before you open it to replace the 
battery or the fuse! 

18.1. Battery

Prior to initial start-up, or after storage of multimeter, verify that the batteries of 
multimeter does not leak. Repeat this check in regular short intervals. If the battery 
leaks, completely remove the battery electrolyte carefully with a  moist cloth and 
install a new battery before you operate multimeter again.

When the symbol "       " (17) appears on the LCD (1) replace the battery as soon 
as possible. Measurement can be done, but a reduced measuring accuracy must 
be taken into account.

The multimeter operates with a 1.5 V x 6  batteries according to IEC6 LR03.

0

C...+ 50 C 

0

C...+ 70  C without batteries 

erence to VDI/VDE 3540 

2000 m

195 mm x 35 mm

 

Summary of Contents for Zeta 30

Page 1: ...rumentation Ltd Central Buildings Woodland Close Old Woods Trading Estate Torquey Devan England TQ27BB Website www sifamtinsley com uk Contact Number 44 O 1803 615139 E mail info tinsley co uk Sifam Tinsley Instrumentation 3105 Creekside Village Drive Suite No 801 Kennesaw Georgia 30144 Contact Number 1 404 736 4903 Web www sifamtinsley com P R E C I S I O N I N S T R U M E N T A T I O N ...

Page 2: ......

Page 3: ...shbutton for manual range selection 5 Multi function pushbutton 6 Function selector switch 7 Terminal sockets with automatic blocking system 8 Symbol for CONTINUOUSLY ON 9 Display for digits decimal point and polarity 10 Display for manual range selection DATA hold and MIN MAX storage 11 Display for the selected function 12 Display for the unit of measured quantity 13 Over range indication for pos...

Page 4: ... measuring adapter 9 Current measurement 9 1 AC current measurement with clip on current transformers 10 Resistance measurement 11 Diode test and continuity test 12 Capacitance measurement 13 Frequency measurement 14 Duty cycle measurement 15 Temperature measurement 16 Insulation resistance measurement 18 1 Battery 18 2 Fuses 18 3 Case 19 Servicing 5 3 Backlit optional 16 1 Before measurement 16 2...

Page 5: ... capacities LimitvaluesaregiveninspecificationsReferChapter17 l All current measuring ranges are protected with fuse The maximum permissible voltage of the measuring circuit nominal voltage of the fuse is1000VAC DCin mA ranges WARRANTY DearCustomer You are now the privileged owner of Zeta 30 Analog Digital Multimeter a product that ranks the first of its kind in the world Company provides 12 month...

Page 6: ... Place the multimeter on its face loosen the two screws on the rear and removethelowerpartofthecase liftingitfromthebottom Thelowerandthe upper part of the case are fixed together at the top on the front by means of wedges Ÿ Removeallsixbatteriesfromthebatteryholder Ÿ Placesixnewbatteriesintobatteryholderwithcorrectpolarities Ÿ Replace the lower part of the case Start at the top on the front and t...

Page 7: ...its for about 10 minutes and when neither a pushbutton nor the function selector switch is operated during that time ItremainsON however whenacurrentmeasuringrangeisselectedand ameasuredvalue 30digitsisdisplayed The meter switches automatically to The next higher range at 3099 digits 1digit the next lower range at 240 280 digits 1 digit from the 300mA to the 3mA range at 24 digits 1 digit 27 Respo...

Page 8: ... 1999 isshown Manual mode on Used range is fixed 1 x MAN 10 Short Long Return to autoranging 2 X Icap Iea 2 3mA 22 57mA 107 7mA 121 7mA 2 3mA Switching sequence at V 3V 30V 300V 1000V 30mV 300mV 3V 1 x MAN 10 Short Hz 300Hz 3kHz 30kHz 100kHz 300Hz F 30nF 300nF 3 F 30 F 30nF V 3V 30V 300V 1000V 3V mA 300 A 3mA 30mA 300mA 300 A mA 3mA 300mA 3mA 30A 300A 30A 30M 30 300 3 k 30 k 300 k 3 M 30M AUTO MAN...

Page 9: ...measured value on the digital display and emits a sound signal The probes can now be removed from the measuring point and the measured value on the digital display 9 can be read When the measured value falls below the limit specifiedinthetable themeterisreactivatedforanewstorage The analog indication is not influenced by the DATA hold measured value can still be noted read Note that with a held di...

Page 10: ...ter acknowledges zero setting by a sound signal the LCD shows 00 00 1 digit and the decimal point flashes The displayed voltage at the instant the pushbutton is pressed is used as reference value max thereafter Thezeroadjustmentisclearedwhen E By pressing the yellow multifunction pushbutton 5 for a long time clearanceisacknowledgedbythetwosoundsignal E ByswitchingtheinstrumentOFF measuringrange 20...

Page 11: ... 0 1MΩ X V1MW VN V 1000V Continuous 1000V 1000V 1000V 1000V 1000V 1000V max 10S Insulation resistance measurement Measurement Function Measuring Range Resolution Intrensic error of digital display rdg digits at reference conditions V1MW 0 1000V 1V 1 10 MWINSU 1000V 0 1000V 1V 1 10 0 100 1 600 MΩ 01 40 16 00 MΩ 014 0 155 0 MΩ 1KW 10KΩ 1KΩ 100KΩ 5 15 MWINSU Un 50V 0 100 3 100 MΩ 02 80 31 00 MΩ 028 0...

Page 12: ...ker of 2Aand when thenominal voltageofthesystemdoesnotexceed1000VAC DC l Makethemeasuringcircuitconnectionsmechanicallystrongandsecure so that they do not accidentally open The conductor cross sections and connectionpointsshouldbedesignedtoavoidexcessiveheating l On the 300 mA an Intermittent sound signal warns you when the Measuredvalueexceedstheupperrangelimit l The current measuring ranges upto...

Page 13: ... z kH 3 00 0 kHz 0 k 10 0 Hz 2 0 98 0 200 0 200 0 0 C 200 0 850 0 0 C 100 0 200 0 0 C 200 0 850 0 0 C fminV 10 pF 2 5 V 100 pF 250 k Ω 2 5 V 300 0 nF 1 nF 25 k Ω 2 5 V 3 000 mF 10 nF 25 k Ω 2 5 V 30 00 mF Icap Iea 2 300 mA 22 57 mA 107 7 mA 121 7 mA 10 pF 100 pF 1 nF 10 nF 250 k 250 k 25 k 25 k 2 5 V 2 5 V 2 5 V 2 5 V Resolution Discharge Resistance U0 max 250 k Ω 30 00 nF Meas urement Func tion M...

Page 14: ...mA 1mV is used to measurethecurrentupto300AACwiththisfunction E SetrotaryknobatpositionV DC Yellow k measurement with clip on transformer mode E Connect Clamp Output probes to and input terminal of this meter E It has two ranges i e 30 00 A and 300 0A Measurement is possible withboth autorangingandmanualranging AC Pressmultifunction ey until a sound beep is heard This will enter 20 5 Continuously ...

Page 15: ...10 mV 100 mV 1 V 100 nA 1 mA 10 A m 100 A m 10 mA 100 mA 1 A m 100 A m 10 mW 100 mW 1W 10W 100W 1 kW 10 kW 1 mV 11 M W 40 pF 10 M W 40 pF 10 M W 40 pF 10 M W 40 pF 11 M W 40 pF 10 M W 40 pF 10 M W 40 pF 10 M W 40 pF Voltage drop approx 15 mV 150 mV 650 mV 1V 150 mV No load voltage max 3 2 V max 3 2 V max 1 25 V max 1 25 V max 1 25 V max 1 25 V max 1 25 V max 3 2 V Meas urement Function Measuring R...

Page 16: ...s on the 30 Ω eliminate the resistance of the leads and contact resistance by zero adjustment range you can Note Resistors and semiconductor junction in parallel with the diode falsify the measuredresults Diodetestandcontinuitytestwithbuzzer With the buzzer function selected the meter emits a continuous sound signalontherange0 approx 0 7V ToswitchtheDiodeTestON Briefly press the yellow multi funct...

Page 17: ...n device under measurement This position by default reads interference voltage If this voltage is 50V insulationresistancemeasurementisdisabled 16 2 Selecting Test Voltage 50V or 100V or 250V or 500V or 1000V If VINSU key is briefly activated currently selected test voltage is displayed Default values is 500 V To select other value press and hold VINSU key until other voltage is displayed This is ...

Page 18: ...measurementfunction l by pressing the yellow multi function switch 5 longer this is confirmed bythetwosoundsignals l bychangingthefunctionselectorswitch 15 Temperaturemeasurement The meter Pt100 and Pt1000 temperaturesensorsintherangefrom E Setthefunctionselectorswitch 6 to E Connectthesensortothetwounblockedterminals E Briefly press the yellow multifunction pushbutton 5 The multimeter switches to...

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