Besantek BST-IT111 User manual


BESANTEK
BST-IT111
DIGIL INSULATION
MULTI-METER
 
99 Washington Street
Melrose, MA 02176
Phone [phone]
1-800-517-8431
Visit us at www.TestEquipmentDepot.com

INDEX Page
Introduction............................................. 1
Safety Notes............................................ 2
Features.................................................. 3
Specications.......................................... 4-5
Instrument Layout................................... 6
Measuring Methods................................. 7-9
Maintenance............................................ 10-11

-1-
1. Introduction
This meter has been designed and tested in
accordance with the CE safety requirements for
electronic measuring apparatus, EN 61010-1,
IEC 61557-1, IEC 61557-2 and other safety
standards. Follow all warnings to ensure safe
operation.



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2. Safety Notes








  








 

 


-3-
3. Feature
●Microprocessor controlled.
●Four insulation test voltages (DC) :
125V, 250V, 500V, 1000V
●The maximum insulation measurement range is
200G ohm @1000V.
●1mA test current on insulation test at nominal
voltage.
●Large LCD (78 × 67mm).
●Auto-ranging.
●Bar-graph indication.
●Backlight func ion.
●REL(Auto-null) function.
●Auto AC/DC voltmeter.
●Capacitor test.
●Auto-test stop & smart hold.
●Supplied with high quality test leads.
●Safety standard :
EN 61010-1 CAT III 600V
IEC 61557-1 IEC 61557-2
EN 61326-1

-4-
4. Specications
Insulation Resistance(GΩ)
Test voltage (DC V) 125V / 250V / 500V / 1000V
Output voltage on
open circuit Rated test voltage + 10%
Measuring ranges
0-25GΩ/0-50GΩ/0-100GΩ/ 0-200GΩ
Accuracy ±(3%rdg+5dgt)
Output short-circuit
current ≥1.0mA
AC/DC Voltage
Measuring ranges 200.0mV / 2000mV / 200.0V / 600V
Accuracy ±(3%rdg+5dgt)
Resistance
Measuring ranges 20.00kΩ / 200.0kΩ /
2000kΩ / 20.00MΩ
Accuracy ±(3%rdg+3dgt)
Capacitor
Measuring ranges 200.0nF / 2000nF / 20.00uF
Accuracy ±(3%rdg+5dgt)

-5-
Continuity
Measuring ranges 20.00Ω / 200.0Ω / 2000Ω
Buzzer under 10Ω
Open circuit voltage 5V±1V
Short circuit current >210mA
Accuracy ±(3%rdg+5dgt)
General
Dimension 221(L) × 110(W) × 57(D)mm
Weight 676g (batteries included)
Power source 1.5V (AA) × 6 Alkaline batteries
Accesories
Instruction manual
Test leads
Batteries
Carry case
Hand strap

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
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 
(1) 
(1)
(2)
(3)
(4)




(9)
(7)
(6)
(5)


 





BESANTEK
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6. Measuring Methods
& 

      
  
 



 


  



 







 

-7-








 

 

 












  



-8-

-9-
(3) Voltage test :
a. Select the "600V" or "2000mV" range by rotating
the function switch.
b. Connect test leads to circuit being measured.
c. Read the value of voltage from the LCD.
※600V : AC/DC automatically detection.
2000mV : AC/DC "Select" cutover.
(4) Capactance test :
a. Select the " " range by rotating the function
switch.
b. Connect test leads to circuit being measured.
c. Read the value of voltage from the LCD.
※IEC 61557-2 Operating Error
Measurement Uncertainty
Operating
instrumental
uncertainty
Insulation
Resistance ±(3%rdg+5dgt) < 30%
This specication describes maximum values
accepted by the standard.



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 




  


 

 
 









 

 




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 

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