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Electronic Transmitter

As a renowned organization, we are engaged in supplying and trading a wide range of Electronic Transmitters in the market. These transmitters are finely constructed and offer trouble-free service life. Moreover, our offered products are highly durable in nature and cost effective.

Temperature Transmitter

The TR181 in-head temperature transmitter is used to convert thermocouple or PT100 sensor outputs to an industry-standard 2-wire 4-20mA signal. The unit can be fully configured by the end-user to accept most thermocouple types and PT100 RTD. Configuration of input type and working range is achieved using the Config Adapter and Windows Software


  •    Power supply: 12 to 30 Vdc
  •    Programmable input: thermocouple types J, K, T, N, E, R, S, B, and PT100 RTD
  •    2-wire loop powered 4-20mA output
  •    Linearised output and cold junction compensation for thermocouples; 2 or 3-wire Pt100 with linearisation
  •    Programmable working range
  •    Configuration with Config Adapter and Windows Software (sold separately if required)
  •    Accuracy: +-0.2% full scale for Pt100 and 0.3% max. of FS for thermocouples
  •    Temperature effect: 0.003% SPAN/°C
  •    Working temperature: -40 to +50 °C
  •    Programmable burnout downscale sensor failure protection
  •    Dimensions: 44mm (dia.) x 25(H)

Air Velocity Transmitter

To offer our clients optimum solutions for their industrial needs, we have designed & developed Air Velocity Transmitter. Offered under the extensive array of products, these transmitters are used for monitoring and regulating air flow via PLC, outstations or EMS. Easy to use and having in-built strength, these transmitters are available at cost-effective rates.


    Air Flow­ Speed0 - 16 m/s (3150 ft/min)
    Jumper Selectable0 - 8 m/s (1575 ft/min)
    Output Signal (­flow)4 - 20 mA, 0 - 10 VDC
    Output signal (temperature)0 - 10 VDC
    Temperature range0.- 50oC (32oF - 122oF)
    Air temperature-10oC - 60oC (14oF - 140oF)
    Ambient temperature-20oC - 50oC (-4oF - 122oF)
    AC voltage supply24 VAC (120 mA)
    DC voltage supply16 - 30 VDC (80 mA)
    Absolute accuracy± 5 %
    Rise time20 Sec
    Time constant5 Sec
    Depth of insertion in channel50 - 200 mm (2 - 8 in.)
    Dimensions (H x W x D)80 x 80 x 55 mm (3.15 x 3.15 x 2.17 in)


  •    Converts airspeed into a 4 - 20 mA or a 0 - 10 VDC signal
  •    Linear output signal
  •    Made with corrosion resistant material
  •    Fully electronic registration of airflow speed

Differential Pressure Transmitter

We are one of the prominent manufacturer & supplier of Differential Pressure Transmitters, designed and developed in accordance with the approved industry norms. Used for measuring pressure rate, these transmitters are offered with advanced working mechanism, capable of providing accurate performance. We have designed these transmitters using abs plastic enclosure with optional stainless steel front flush.



    Pressure Measuring Range

    0.0 to +25.0/+50.0/100.0/250.0/1000/5000 mm. W/C (Any other range as per customer specifications)

    Maximum Over Pressure

    2 Times the rated pressure


    24 Volts D.C. Typical

    Output (Optional)

    4 - 20 mA


    Air or Gases (Non Corrosive)


    +/- 0.5% of Full Scale


    Instrument Enclosure is in 80 x 80 x 55 mm. (L x B x D) with Basic Imported Sensor


    2 Nos. Hose Nipples of 4 mm. Stainless Steel


    Instrument is in Wall Mounting Type ABS Plastic Enclosure with Optional Stainless Steel Front Flush


  •    Accurate performance
  •    Energy-efficient
  •    Easy to install

Surface Temperature Transmitter

Item Code: MSPT-100
Being a reckoned name in the industry, we have introduced Surface Temperature Transmitter. Designed & developed using advanced technology; these transmitters are offered in poly carbonate watertight enclosure and are light in weight. Used specifically in solar panels, offered range of transmitters are capable of delivering accurate & constant performance.


  •    Measuring Range : 0 to 100 C
  •    Accuracy: +/- 0.3°C
  •    Sensors: Temperature: RTD Pt100?
  •    Output: 4-20 mA
  •    Supply Voltage: 12 to 26 VDC
  •    Housing: Poly carbonate watertight enclosure
  •    Protection: IP-65
  •    Weight: Approx 150 gms


  •    Easy to operate
  •    Compact in design
  •    Easy to install

Din Rail Temperature Transmitter

Item Code: TMT-130
We have introduced Din Rail Temperature Transmitters used for converting various input signals into scalable analogue output signal. Offered transmitters are designed & developed using latest technology and thus, are capable of delivering flawless performance in their applications with resistance thermometers (RTD), thermocouples (TC), resistance and voltage transmitters. Easy to mount these transmitters have slim housing and can be procured at reasonable rates.


  •    High accuracy in ambient temperature range
  •    Wide voltage supply range
  •    Offers active temperature sensation

Temperature Transmitter

For our profound customers we have introduced Temperature Transmitters, used in numerous applications such as air-conditioning, refrigeration as well as plant industries. Moreover, easy to mount, these transmitters are offered in rugged designs and with watertight enclosure, to assure their safety & reliability during working hours.


    Input3 Wire RTD Sensor
    Output current4-20 mA DC
    Range0~500 C, 0~1000 C, 0~ 2000 C 0~4000 C, -50~+500 C other Ranges upon request
    Input type3-Wire Pt 100 Ω
    Accuracy (at 250 C)±0.25 %
    Power supply24 VDC
    Load capability600 Ω Max, @ 24 VDC
    Operating temperature range-20 to + 500 C
    Dimensions44.5 diameter x 27 mmh (1.75 x 1.06) Height includes terminal ship
    WeightApprox, 30 g (1.1 oz)


  •    Easy to mount
  •    Fine ZERO and SPAN adjustments enable user to set up 4~20 mA output
  •    High accurate and low cost
  •    ABS construction with watertight enclosure
  •    Most economical & rugged

Temperature Humidity Transmitter

We are here engaged in the specified business of offering Temperature Humidity Transmitters. Our experts carry out the designing procedure at our workplace using latest technology and thus, are offered with the assurance of giving flawless performance. These transmitters are used specifically in climatic rooms, chambers, green houses, textile industries and several others


    Measuring Range5 to 95% RH 0 to 70° C
    Accuracy @ 250 ° C± 2% RH , ± 0.3° C
    SensorsHumidity, Thin-film Capacitor, Temperature
    Pt 100
    Electronics Operating temp0 to 50° C
    Response< 15 sec
    Long-term StabilityBetter than 1% RH per year
    Output4-20 mA (0~100 % RH; 0~100° C)
    Other outputs on request
  • Load ResistanceMaximum 300 Ohms
    Supply Voltage12 to 30 VDC
    HousingABS plastic watertight enclosure


  •    Fast, Stable and accurate
  •    IP 65 - Watertight enclosure
  •    Excellent long term stability
  •    Onsite two point calibration

About SMIS

Smis Instrumentation is founded in the year 2011, is a professional Test & measuring Instrumentation Company.

Smis instrumentation is in manufacturing, sales, service and calibration of measuring and testing equipments for Mechanical, electrical and electronics industries, Pharmaceutical, Defense, Food, Automobile, Textile, R & D Centers, Process Automation Sectors, etc.

Contact Address

#10, Ground Floor, Ward No. 132,
1st Cross, 3rd Stage, CHBS Layout
Near St. Flowers English school, Attiguppe, Vijayanagara,
Bangalore - 560040
Karnataka, India

072 59 817300 / 072 59 817301