pH is the potential measure of hydrogen ion concentration in the solution, expressing the acidity or alkalinity of solution on a Logarithmic scale on which 7 is neutral, lower values are more acid and higher values are more alkaline. SANSEL make online ph 641 indicator is a precise, rugged and weather proof instrument carefully designed for the most accurate measurement of pH/ ORP in all industries. This instrument is a panel mountable with a compact standard size of 48 x 96 x 65mm with front end pot meter type easy adjustable 4pH & 7pH buffer calibration, zero & SPAN adjustment for ORP. This instrument operates from 90V to 270V AC / DC ,50Hz.

It is one of the smallest dry block with rich features and is highly competitive in price. SANSEL Model TCAL 1404/-5, (Dry Block Miniature Temperature Calibrator) sets a new benchmark in temperature calibration with advanced features that deliver unmatched precision, ease of use, and operational stability. Temperature range of the TCAL 1404 /-5 covers from -5 to 120°C. Our Drywell Calibrators are ideally suited for fast calibration in process industries to calibrate Thermocouple, RTD, Indicator with sensors & transmitters with sensors, this compact yet powerful calibrator is designed to meet the stringent demands of today’s laboratories and field operations.

Sansel model TCAL 1503/-40 Metrology Grade Very Low Temperature Dry Block Calibrator incorporate Solid-state, Heating and Cooling Technology. This dry well has an advantage of wide temperature range from -40 to 120°C, CFC Free, high efficiency, Fast cooling & Heating, Energy saving & Fluid free. Hence it is a great alternative to Fluidized bath and best suitable for clean room environment.

SANSEL Model TCAL 1401 / -30 Dry well Temperature calibrator are high performance for industrial atmosphere and covering temperature range from -30* to 100°C. Which are ideally suited onsite calibration of thermocouple, RTDs, Indicator with sensors & 4-20mA signal transmitter with indicator in Food, Pharmaceutical and all types of process industries. Having it’s advantage of user friendly, light weight, portable, fast settling, better uniformity and accuracy over a wide temperature range.
TCAL 1401 / -30 having interchangeable inserts to suit for calibration of different diameter of sensors (upto 22mm). Additional Inserts (optional) with special drillings are available to order.

SANSEL series TCAL 1501/- 40 is a micro controller based precision “LOW TEMPERATURE LIQUID BATH” generates true reference temperature with high resolution and stability. The temperature controller of the bath uses a auto tune FUZZY PID controller algorithm. This fast response closing follows the cooling curve of an actual thermal system.
Place the thermometers and thermocouple & RTDs to be calibrated in the bath. Set the temperature from the 3.5 inch true TFT display with touch screen . Both liquid and set temperature can be read. When stabilization occurs, simply read the temperature and re-calibrate the thermometer, sensor etc., or comparison with master RTDs reading.

The RPMC 1700 Series is high precision Tachometer calibrator, generates true reference rotation per minute (RPM). This calibrator uses “German technology” with high speed motor, high precision encoder and adoption of a new power full 32 bit CPU in control drive, featuring automated gain tuning function, stability, stable stop, rugged in use and many more. Due to it’s light weight and rugged Aluminium enclosure, it is suitable for in-house and on-site calibration of contact / non-contact Tachometer, Tacho coil, Tacho generator, RPM indicator, RPM transmitter, Speedo meter, Proximity sensor, Stroboscope, etc,.

“SANSEL” Series BCAL 1502 is a Micro controller Based Precision Temperature Calibrators Generates True Reference Temperature. The Temperature Controller of the Calibrators Uses a Auto Tune PID Control Algorithm. Infra red thermometer & online pyrometer calibration is performed by comparison of the temperature measured by UUC and target temperature indicated by the calibrator or using standard pyrometer. Focus the Unit Under Calibration (UUC) to be Calibrate to the target point given in BCAL 1502. Set the Temperature from the Touch screen display. Both True and set Temperature can be read. When Stabilization Occurs, Simply Read the Temperature and re-Calibrate the UUC.

SANSEL Model BCAL 1202, Black body Calibrator is used to measure the accuracy and performance of non-contact Thermometers. Infra red thermometer & online pyrometer calibration is performed by comparison of the temperature measured by UUC and target
temperature indicated by the calibrator or using standard pyrometer. Focus the Unit Under Calibration (UUC) to be Calibrate to the target point given in BCAL 1202. Set the Temperature from the Touch screen display. Both True and set Temperature can be read. When Stabilization Occurs, Simply Read the Temperature and re-Calibrate the UUC.

The RPM Controller / Transmitter is a reliable and versatile device used for measuring revolutions per minute (RPM) in various applications. With its advanced features and precision, the RP 491 offers accurate monitoring of motor and shaft speeds. Equipped with user-friendly controls and a clear display interface, it provides operators with real-time feedback essential for maintaining optimal performance and preventing potential damage to machinery. Whether in automotive, industrial, or other settings, the RPM Controller and Transmitter is a trusted tool for ensuring efficiency and safety in rotational speed monitoring.

Reference standard Type ‘R’ & ‘S’ thermocouples are made from High purity reference grade platinum and platinum rhodium alloy. It covers Temperature range up to 1500°C. It is commonly used as reference standard to calibrate Industrial thermocouples. This sensors are assembled with 6mm OD, 450mm or 600mm long gas tight 99.7% high Alumina sheath. This type thermocouples, besides the low ageing drift, also offers the advantage of a low basic tolerance value. This model with Cold Junction compensation probe provides much accurate temperature measurement possibilities, The Cold Junction probe is inserted in to ICE water mixture. This is necessary for the Precision measurement.