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IC REGULATED POWER SUPPLY 0-30 V - 2 Amp
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Ic Regulated Power Supply 0-30 V - 2 Amp

(HL-8037)

Single Channel Continuously Variable DC Regulated Power Supplies with two meters.

a) 0-15VDC/1Amp.
b) 0-30VDC/1Amp.
c)  0-30VDC/3Amp.
d) 0-30VDC/10Amp.
e) 0-60VDC/2Amp.
f)  0-300VDC/100mA.
g)  0-300VDC/1Amp.
h)  0-15VDC/2Amp.
i)   0-30VDC/2Amp.
j)   0-30VDC/5Amp.
k)  0-60VDC/1Amp.
l)   0-60VDC/5Amp.
m) 0-300VDC/500mA.
n)  0-500VDC/100mA.


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DIGITAL TO ANALOG CONVERTER USING R-2R NETWORK
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Digital To Analog Converter Using R-2r Network

(HL-8038)

Objective:- To study Digital to analog Convertor using R-2R Network.


Features:- Instrument comprises of DC Regulated Power Supply 5VDC/150mA, ±15VDC/150mA, 1 Voltmeter, 4 SPDT switches, provided for selecting logic '1' & logic '0', one output indicators, Circuit diagram printed on the front panel.


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IC REGULATED POWER SUPPLY 0-15 V - 2 Amp
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Ic Regulated Power Supply 0-15 V - 2 Amp

(HL-8039)

Single Channel Continuously Variable DC Regulated Power Supplies with two meters.

a) 0-15VDC/1Amp.
b) 0-30VDC/1Amp.
c)  0-30VDC/3Amp.
d) 0-30VDC/10Amp.
e) 0-60VDC/2Amp.
f)  0-300VDC/100mA.
g)  0-300VDC/1Amp.
h)  0-15VDC/2Amp.
i)   0-30VDC/2Amp.
j)   0-30VDC/5Amp.
k)  0-60VDC/1Amp.
l)   0-60VDC/5Amp.
m) 0-300VDC/500mA.
n)  0-500VDC/100mA


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SCR Characteristic Apparatus with regulated Power Supply
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Scr Characteristic Apparatus With Regulated Power Supply

(HL-8040)

Objective:- To plot Anode current Vs Anode cathode Voltage Characteristics. Gates Characteristics (Open Gate), Gate Charcteristics (Gate Connected).

Features:- Instrument comprises of Two DC Regulated Power supplies 0-30VDC/150mA & 0-1VDC/150mA, three round meters for voltage & current measurement, SCR 2P4M mounted behind the panel, connections of supplies, Meters & SCR brought out at 4mm sockets.


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SODIUM/MERCURY VAPOUR LAMP TRANSFORMER
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Sodium/mercury Vapour Lamp Transformer

(HL-8042)

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DESAUTY BRIDGE
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Desauty Bridge

(HL-8043)

It is a simple form of bridge giving maximum accuracy while comparing capacitance in term of resistance. Three decade dials x10, x100 and 1000 ohms from one arm. The other arm has also decade dials x10, x100 and 1000 ohms. A special morse key is fitted in the centre of the two arms connecting the battery and the galvanometer. The connection are engraved on the panel which is fitted to a teak wood polished case. All the coils are calibrated on Imported Testing Bridge. Accuracy ± 0.5 to 1%.

De- sauty Bridge's

It is a simple form of bridge giving maximum accuracy while comparing capacitance in term of resistance. Three decade dials x10, x100 and 1000 ohms from one arm. The other arm has also decade dials x10, x100 and 1000 ohms. A special Morse key is fitted in the centre of the two arms connecting the battery and the galvanometer. The connection is engraved on the panel which is fitted to a teak wood polished case. All the coils are calibrated on Imported Testing Bridge. Accuracy ± 0.5 to 1%.

 

 


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RESISTANCES IN SERIES & PARALLEL APPARATUS
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Resistances In Series & Parallel Apparatus

(HL-8044)

Objective:- To verify properties of Resistance when connected in series & parallel.

Features:- Instruments coprises of Two moving coil meters to measure voltage & current,circuit diagram for series & parallel connections printed & resistances mounted on the front panel.


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BATTERY ELIMINATOR
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Battery Eliminator

(HL-8045)

     Standard Model     Output Volatge/Current

A)    Battery Eliminator        2-6V DC/1 Amp
B)    Battery Eliminator        2-6V DC/2 Amp 
C)    Battery Eliminator        2-6V DC/3 Amp 
D)    Battery Eliminator        2-12V DC/1 Amp
E)     Battery Eliminator        2-12V DC/2 Amp 
F)     Battery Eliminator        2-12V DC/3 Amp
G)    Battery Eliminator        2-12V DC/5 Amp
 


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BATTERY ELIMINATOR
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Battery Eliminator

(HL-8046)

       Standard Model     Output Volatge/Current

A)    Battery Eliminator        2-6V DC/1 Amp
B)    Battery Eliminator        2-6V DC/2 Amp 
C)    Battery Eliminator        2-6V DC/3 Amp 
D)    Battery Eliminator        2-12V DC/1 Amp
E)     Battery Eliminator        2-12V DC/2 Amp 
F)     Battery Eliminator        2-12V DC/3 Amp
G)    Battery Eliminator        2-12V DC/5 Amp
 


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BATTERY ELIMINATOR
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Battery Eliminator

(HL-8047)

  Standard Model     Output Volatge/Current

A)    Battery Eliminator        2-6V DC/1 Amp
B)    Battery Eliminator        2-6V DC/2 Amp 
C)    Battery Eliminator        2-6V DC/3 Amp 
D)    Battery Eliminator        2-12V DC/1 Amp
E)     Battery Eliminator        2-12V DC/2 Amp 
F)     Battery Eliminator        2-12V DC/3 Amp
G)    Battery Eliminator        2-12V DC/5 Amp
 


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BATTERY ELIMINATOR
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Battery Eliminator

(HL-8048)

     Standard Model     Output Volatge/Current

A)    Battery Eliminator        2-6V DC/1 Amp
B)    Battery Eliminator        2-6V DC/2 Amp
C)    Battery Eliminator        2-6V DC/3 Amp
D)    Battery Eliminator        2-12V DC/1 Amp
E)     Battery Eliminator        2-12V DC/2 Amp
F)     Battery Eliminator        2-12V DC/3 Amp
G)    Battery Eliminator        2-12V DC/5 Amp
 


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AUTO COLORIMETER
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Auto Colorimeter

(HL-8049 )
  • Absorbance & %T Modes
  • Covers 400 to 700nm
  • Fast & Accurate Operations
  • Automatic Zero Calibration
  • 1ml. Solution Measurement
  • Standard German Glass Filters

  • Model HLSI-19150  Digital
    Std. Glass Filter 8
    Mini Volume 1 ml.
    Display 3 Digit, Bright Red 7 Segment LED
    Range 400-700 nm
    Output OD: (0 to 1.99), %T: 0 to 199
    Resolution OD : 0.01, %T : 1%
    Accuracy 0.5% FSI
    Detector Selenium Photocell/Photodiode
    Light Source 6.8v, 300mA
    Power 230V + 10%, 50 Hz. AC
    Dimenstions 220 x 180 x 125 mm (lxbxh) Approx.
    Weight 2 Kg. (Approx.)
    Accessories Set of 5 Test Tube , Spare Lamp, Dust Cover & Manual

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    PHOTO COLORIMETERS
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    Photo Colorimeters

    (HL-8050 )
  • 1 ml. Solution measurements
  • Standard Glass Filters
  • Highly Stable & Accurate


  • Model HLSI-19512 Digital Model HLSI-19513 Digital Model HLSI-19514 Analog Model HLSI-19515 Analog Model
    Std. Glass Filter 8 5 8 5
    Mini Volume 1 ml. 1 ml. 1 ml. 1 ml.
    Display 2 1/2 Digit LED 2 1/2 Digit LED 125 x 100 mm
    Ammeter
    125 x 100 mm
    Ammeter
    Range 400-700 nm 400-700 nm 400-700 nm 400-700 nm
    Output OD (0 to 1.99) OD (0 to 1.99) OD (0 to 1.99) %T (0 to 100) OD (0 to 1.99) %T (0 to 100)
    Resolution OD : 0.01 OD : 0.01 OD : 0.01 %T-1% OD : 0.01 %T-1%
    Accuracy 0.5% FSI 0.5% FSI 0.5% FSI 0.5% FSI
    Detector Selenium Photocell Selenium Photocell Selenium Photocell Selenium Photocell
    Light Source 6.8v, 300mA 6.8v, 300mA 6.8v, 300mA 6.8v, 300mA
    Power 230v + 10% 230v + 10% 230v + 10% 230v + 10%
    Accessories Test Tube set of 5, Spare Lamp, Dust Cover, Manual
    Filters 8 Filters - 400, 420, 480, 500, 520, 540, 620, 680 nm
    5 Filters - 420, 480, 540, 620, 680 nm

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    DIGITAL pH METERS
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    Digital Ph Meters

    (HL-8051)

     

  • Highly Stable and Accurate
  • Digital Display
  • Auto Temperature Compensation
  • Auto Polarity & Decimal Indication
  •  

    Model HLSI-19155
    Auto Temp. Model
    HLSI- 19156
    Table Model
    HLSI- 19157
    Portable Model
    Display 3 1/2 digit LED 3 1/2 digit LED 3 1/2 digit LCD
    Range pH 0 to 14.00 0 to 14.00 0 to 14.00
    mV 0 to + 1999 0 to + 1999 -
    Resolution pH 0.01 0.01 0.01
    mV 1 1 -
    Accuracy pH +0.01 +0.01 +0.01
    mV +1 +1 -
    Temperature Auto 0 to 100o - -
    Compensation Manual 0 to 100o Manual 0 to 100o Manual 0 to 100o
    Slope Correction 80 to 120% 80 to 120% 80 to 120%
    Power 230V + 10% 230V + 10% 1 x 9V Battery
    Dimensions 76 x 275 x 175 76 x 275 x 175 85 x 28 x 165
    Accessories Combination pH Electrode, Buffer Tablets 4pH & 7pH, Operation Manual, Electrode Stand, Dustcover
     

     


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    DIGITAL CONDUCTIVITY
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    Digital Conductivity

    (HL-8052 )
  • Highly Stable and Accurate
  • Cell Constant Adjustment Facility
  • Available in Lab & Field models
  • Temperature Coefficient Correction facility
  • Model Conductivity
    HLSI- 19160
    Table Model
    Conductivity
    HLSI-19161
    Portable Model
    Display 3 1/2 Digit LED 3 1/2 Digit LCD
    Range 5 Ranges
    0 - 1000 Mohs/cm
    2 Ranges
    2 & 20 Mohs/cm
    Temperature Compensation Manual 0-50oC -
    Cell Constrant Adjustment Adjustable Pre Adjustable
    Conductivity Cell Platinum DIP Platinum DIP
    Measuring Frequency 1000 Hz 1000 Hz
    Accuracy +1% FSI +1% FSI
    Power 230v + 10% 1 x 9V Battery
    Dimensions 76 x 275 x 175 mm 85 x 28 x 165 mm
    Weight 2 kg. (Approx.) 0.8 kg. (Approx.)
    Accessories Conductivity Cell,Operation Manual, Dust Cover

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