Master Electronics, Kolkata

Master PRI1002 Digital Pressure Indicator is intended to Show any Pneumatic Process Signal being a
Pressure Signal can also be indicated as a Process Parameter in Engineering unit. The Re Transmission
Current Output can be used for any other Controller, Recorder or Totaliser input. This unique
Instrument is a very Cost effective solution to handle any Pressure Parameter without requirement of
any Transmitter.
Specyicution :
1. Input   0.2 to 1.0 Kg/Cmz. (Pneumatic Process Signal).
2. Sensor   Piezo Ceramic Pressure Transducer. (Temperature Compensated).
3. Scale function   Linear.
4. Re-Transmission   Current Output 1 4 - 20. mA. Impedance 1 600. Q.
5. Pressure Connection   %" NPT Male.
6. Display Range   1999 - 0 - (+)1999 Counts (max).
in user specified Engineering unit & selectable d.p.
7. Display   3% digit, 0.5", 7-Segment, Red LED.
8. Max In-Accuracy   (0.1% of Span -1- 1 digit).
9. Operating Temperature..10  45. “C.
10. Temperature Stability   100. ppm. /°C.
11. Operating Humidity   0 - 90. % . RH. at 45. °C.
12. Power Input   110. / 220. V. 110%; 50.Hz. A.C.
13. Mounting   Flush Panel.
14. Dimension   Bezel : 144 X 72 m.m. (Width X Height).
Cutout : 140 X 68 m.m. (Width X Height).
Depth : 300. m.m.

Master PRIl002 Digital Pressure Indicator is intended to Show any Pneumatic Process Signal being a
Pressure Signal can also be indicated as a Process Parameter in Engineering unit. The Re Transmission
Current Output can be used for any other Controller, Recorder or Totaliser input. This unique Instrument
is a very Cost effective solution to handle any Pressure Parameter without requirement of any
Transmitter.
Specqicution :
1. Input   0.2 to 1.0 Kg/Cm2. (Pneumatic Process Signal).
Pressure : 0 to 0.5 psi. (0 - 350.m.m. of W.C.).
0 to 250. psi.
Type : Gauge / Differential / Absolute
2. Sensor   Piezo Ceramic Pressure Transducer. (Temperature Compensated).
3. Scale function   Linear.
4. Re-Transmission   Current Output : 4 - 20. mA. Impedance : 600. Q.
5. Pressure Connection   %" NPT Male.
6. Display Range   (-)l999 - 0 - (+)l999 Counts (max).
in user specified Engineering unit & selectable d.p.
7. Display   3% digit, 0.5", 7-Segment, Red LED.
8. Max In-Accuracy   i(0.l% of Span + 1 digit).
9. Operating Temperature... 10 - 45. °C.
10. Temperature Stability   100. ppm. / °C.
11. Operating Humidity   0 90. % . RH. at 45. °C.
12. Power Input   110. /220. V. :1:10%; 50.Hz. A.C.
13. Mounting   Flush Panel.
14. Dimension   Bezel : 144 X 72 m.m. (Width X Height).
Cutout 2 140 X 68 m.m. (Width X Height).
Depth : 300. m.m.

1. Inputrange   4-20. mA./l -5.V.
2. Input Impedance   10.Q. (Current) / 250.K Q. (Voltage).
3. Scale function   Linear.
4. Display Range   0 to 1999 counts (max) in user specified Span & engineering unit.
5. Display   3% Digit; 7Segment; 0.5";Red LED.
6. Alarm Set Points   2.Nos. of Independent Alarm Set Points (SP-1 & SP-2) provided.
7. Alarm Mode   Internally Selectable HI or LO.(i.e. Each Alarm to be activated in case
of input goes above (HI Mode) or below (LO Mode) the
corresponding set point.
8. Set Point Adj.   Front panel accessible individual screwdriver adjustment is provided
for each set point.
9. Set Point Display   Push button for selection of SP-1 / SP-2, for display of set point level
in display scale & unit.
10. Alarm Contact   Change-over contact provided for each set point individually (Hi &
Lo).
11. Alarm Cont. Rating   1. Amp. /230 V. A.C.
12. Mounting   Flush Panel Mounting.
13. Power Input   110/220 V. t 10.%; 50.Hz. A.C.
14. Transmitter P.S.   24 V. D.C./ 30 mA. (max).
15. Dimension   Bezel 2 144 X 72 m.m.(width x height).
Cutout : 140 X 68 m.m.(width x height).
Depth : 250 m.m.

1. Input   Optional : RTD (3-wire) : Pt100, Cu 53, Ni 100
Therrnocouple : J, K, T, R/S.
2. Lineariser   ROM table lineariser provided to correct sensor non linearity.
3. Compensation   RTD Sensor Lead Wire Compensation Incorporated.
TC Cold Junction Compensation Provided.
4. Display Range   0 to 1750 C. (depending on the sensor).
5. Display   4-Digit; 7-Segment; 12.5 mm; Red LED.
6. Accuracy   :l:(0.25 % + l. Count).
7. Alarm Set Points   2.Nos. of Independent Alarm Set Points (SP-1 & SP-2) provided.
8. Alarm Mode   User’s Programmable for Hi (Temp > SP) or Lo (Temp < SP) or OFF.
9. Set Point Adj.   Programmable with Front panel Key Pad.
10. Set Point Display   Selectable in PROG Mode for Display of SP-1 / SP-2. and Display
Temp in RUN mode.
11. Alarm Contact   Selectable NO / NC contact provided for each Alarm.
12. Alarm Indication.   Visual Front LED Indication for Alm-1, Alm—2 Condition.
13. Alarm Cont. Rating   2. Amp. /230 V. A.C.
14. Program Protection   Access to Program Mode & Calibration mode are separate Lock-code
protected with overriding default value loading provision.
15. Retransmission Output   4-20. mA. Corresponding to Programmed Range.
(Optional) Impedance : 600. Q.(max).
16. Power Input   110 /220 V. t 10.%; 50.Hz. A.C.
17. Dimension   Bezel : 96 X 48 m.m.(width x height).
Cutout : 92 X 44 m.m.(width x height).
Depth : 250 m.m.

MASTER MVT4020 accepts mV input of Load Cell or DC Current shunt or any other Transducer &
delivers Standard signal output of 4-20 mA. This Panel mounting instrument provides perfect 2-wire
signal conversion without any local power supply..
Specwcution :
1. Input   mV. Range : to be specified (factory Set).
2. Output Range   4-20 mA. 2-wire mode.
3. Power Supply   12 to 40 V. D.C.
4. Loop Impedance   (V.p.s. - 12)/0.02 (e.g. for 24V.P.S.);
Impedance = (30 - 12) + 0.02 = 600. Q.
5. Function   Linear.
6. Accuracy   1 0.5% of Span.
7. Temp. Stability   100. ppm / C.
8. Operating Temp.   10-50 C.
9. Operating. Humidity.   0-90% RH at 45 C.
10. Enclosure   Rear Panel Mounting Stand Alone Module.
11. Adjustability   Zero & Span Continuously adjustable over 50% of Range.
12. Dimension   Height : 120. m.m.
Width : 38. m.m.
Depth 2 115.m.m.

Master SDM 2030 Signal Isolator is intended to provided electrical isolation in the path of signal
transmission & to distribute the signal in three independent channels. The each output is isolated
electrically to the input. So input to output isolation as well as output to output isolation is achieved.
Specyication :
1. Input   4-20 mA. D.C.
2. Input Impedance   Current : 250 Q.
3. Output   3 Nos. (Isolated) 4-20 mA.
4. Output Impedance   Maximum - 600.9.
5. Isolation   Galvanic Isolation between Input : Output : Power Supply
6. Accuracy   Max error 1 0.2% of Span.
7. Operating Temperatures. 10 to 50. °C
8. Storage Temperature   0 to 80. °C
9. Enclosure   DIN Rail Mounting Module.
10. Opp. Power   Optional : 120 / 240V. 110% ; 50 Hz. A.C.
11. Optional   
 .
12. Dimension Height : 70. mm.
Width : 100. mm.
Depth : 115 mm.

1. N0. ofinput Channel   8/ 12/ 16.
2. Type of input   Optional : Thermocouple : .1, K, R, S, T.
& RTD (2-ware) Pt100, Cu50, Ni100.
3. Display   Normal Run ; Input (Temp) / Program : SET POINT ;- 4-digit.
Channel Display :2digit. 7segment. 12.5mm, Red LED.
4. Power   230/ 115 V.; 410%; 50Hz.; A.C.
5. Range   0 to 1800 C. (To be Specified, depending on the sensor)
6. Resolution   1. C. (Indipendent of Sensor & Range).
7. Accuracy   dc (0.1% ofrange + Count).
8. Calibration   Password Protected Front Keypad accessible Input Calibration.
9. Compensation.   Cold junction compensation for T.C. OR,
Leadwire compensation for RTD is incorporated.
10. Broken Sensor   Up scale Over Range Indicated.
1 1. Linearisation   By ROM table , for sensor nonlinearity is incorporated.
12. Scan Time   User Programmable from 1 to 60 sec / Chnl.
13. Scan Mode   Auto / Manual - User Selectable.
14. Set Point   Two nos of SETPOINT independently Programmable for each Channel.
Indication : Front Panel LED Independent for each Channel for both S.P.
15. Program Protection   Access to Program Mode is Pass-Word Protected.
User’s Program stored in EEPROM (Battery Backup avoided).
16. Contact Output   Separate Changeover contact output for Alarm / Trip, Independent for each
group (Four Groups A, B, C, D,) Contact Rating : 1.A. /230.V.
17. Group Association   Four Groups : A, B, C, D. Independently Programmable for each Channel
18. Audio Annunciation   Piezo Buzzer audio annunciation in case of tripping of any set-point.
19. Acknowledge   Any Trip can be acknowledged & annunciation is reset.
20. Skip   User programmable to skip any No. of unused channel.
21. Dimension   Bezel 1 144 x 144 mm. (Width X Height)
Cutout : 138 x 138 mm. (Width X Height)
Depth : 300. mm.

T-XD Series Time Totaliser are intended to use as elapsed time counter for any Utility System with
option for one or two level monitoring. This series of Instrument has got extensive application in different
process and engineering industry. Optimization facility is offered for particular application with 4 or 6
digit version. Highly economic for OEM use.
Specyicatian :
l. Count Range   9999.Hrs 59.Mnts / 9999.Mnts.59.Secs. (Field Programmable)
2. Enable Input   Potential Free Contact.
3. Alarm Set Points   Factory Set Option : One (-1 R) / Two (-2R) /No Alarm (-0R).
4. Alarm Mode   Equal or HI.
5. Rollover Function   Restarts from zero. Alann/s are reset in case of Rollover.
6. User Program   Set Point l; Set Point 2.
7. Reset Protection   Dual Key Reset Function to avoid accidental Reset. In case of Reset,
Last data is stored in Backup register. lf required the last data can be
revived & counting starts from the last data. In this process Storing
ZERO data is protected
8 Alarm Contact   Change-over contact provided for each set point individually.
9. Alanrr Contact Rating   2. Amp. /230 V. AC
l0. Mounting   Flush Panel Mounting.
ll. Power Input   ll5 /230 V. :l: 10.%; 50.Hz. AC
l2. Dimension   Bezel : 96 X 96 m.m.(width x height).
Cutout : 92 X 92 m.m.(width x height).
Depth : 165 m.m.

1. Input range   Programmable : 4-20 mA. / RTDPt100. / T.C.  J / K.
2. Compensation   Cold Junction compensation / Lead-wire Compensation Incorporated.
3. Lineariser   Sensor Lineariser Incorporated.
4. Retransmission   Current output : 4  20. mA. ; Impedence : 600 Q. (maX).
5. Display Range   Programmable 0 to 4000 counts (extendable upto -1999 to 9999 counts) in
user specified Span in Engineering unit, with Selectable Decimal Point.
6. Display   4 digit; 7-segment: 0.5"; Super Bright Red LED.
7. Set Point   2. Nos. of Independent set points provided.
8. Alarm Mode   Configurable f`or Operation HI or LO f`or Both Alann Set Points.
9. Set Point Adj.   Front panel accessible individual adjustment is provided for each set point.
10. Set Point Display   Selector for Display of SP-1 / SP-2 Provided.
11. Alarm Contact   Change over contact provided f`or each set point individually.
12. Alarm Contact   1. Amp. /230 V. A.C.
13. Mounting   Flush Panel Mounting.
14. Power Input   110/ 220 V. 1 10% ; 50Hz. A.C.
15. Dimension   Bezel : 96 X 48 mm. (width X height)