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Newest Products
Side Mounted Float Level Switch, 304SS
SISCO-LS-250
A side-mounted float level switch is fully constructed from sturdy 304SS stainless steel and outputs stable relay contact signals. Its internal mechanical linkage is driven by the buoyancy of the float to judge liquid height accurately, providing only simple on-off switch signals rather than continuous analog liquid level measurement data.
$99.08
Cable Float Level Switch, 0-10m
SISCO-LS-KEY-5
Cable float level switch measures 0-10m with durable polypropylene construction, suitable for 0-60°C water media. The water level float switch supports 250V, 16(4)A switching capacity and provides reliable on/off control via threaded installation. IP68-rated cable ensures long-term submersion durability. This float level switch delivers consistent point-level detection without requiring complex calibration or maintenance.
$144.46
Water Level Float Switch, 4A/250V
SISCO-LS-EM15-2
Water level float switch is a cable-suspended liquid level switch with a 4A/250V rating and a PP float shell. This water float switch features a PVC+rubber composite cable and a secondary injection-molded seal to ensure IP68 protection. The cable float switch offers 0.5 mm² or 1.0 mm² copper wire options and supports 750W or 1500W load capacity.
$105.97
Marine Float Level Switch, ABS, 20A/12V
SISCO-LS-100
Marine float level switch features a durable ABS housing and a sealed reed switch rated 20A at 12V DC, 10A at 24V DC, and 8A at 32V DC. The automatic water level float switch activates at a 60 mm rising level and deactivates at a 30 mm falling level, with a 1-meter 18AWG pre-wired cable for reliable bilge pump float switch connections.
$115.23
Dual Point Level Float Switch, Stainless Steel
SISCO-LS-DP
Dual-point level float switch features premium 304 stainless steel construction for superior corrosion resistance. This vertical liquid level sensor utilizes magnetic reed switch technology with two independent float points for reliable high and low water level detection. The stainless steel float switch offers a durable laser-welded body, 38mm adjustable retaining clip spacing, and an 8 mm stem diameter.
$132.15
Microwave Level Switch, Frequency Difference, G1/2"
SISCO-LS-300PC
Microwave level switch with frequency difference technology offers 0.2mm resolution up to 10m range. This capacitive level switch withstands -1 to 40bar pressure and 300±50Hz vibration. Liquid level switch features 316L/PEEK wetted parts, G1/2" connection, M12 plug, 3m cable, and outputs 4-20mA/RS485. It includes overload, reverse, and short-circuit protection, with ≤100ms response and an IP67 rating.
$242.92
High Temp Float Level Switch, 304SS
SISCO-LS-SSY85
High-temp float level switch provides stable ON/OFF control with a maximum switching current of 1.5A and contact resistance < 0.2 Ω. Rated for 120°C, this 304SS float level switch supports M10 or DN15 process connections and offers both Normally Open and Normally Closed output modes. With a DC 220V max working voltage and ≥10⁸Ω insulation resistance, this high-temp float switch ensures reliable signal output and extended operational life.
$122.37
Non-Contact Ultrasonic Level Switch, 0-10m
SISCO-LS-043
Non-contact level switch integrates a 2-inch LCD and automatic temperature compensation for stable measurement over its 0-10m range. Its IP67-rated enclosure with M20×1.5 cable gland ensures protection against moisture and dust. The narrow beam angle minimizes interference, while the 26GHz frequency enhances echo reliability. This ultrasonic level switch supports 4- 20 mA, HART, and RS485/Modbus outputs for flexible data transmission.
$696.77
Explosion-Proof Float Level Switch, 100-6000mm
SISCO-LS-UHZ-C
Explosion-proof float level switch offers float level switch rod lengths from 100 to 6000 mm, with the body and float in 304, 316L, or PTFE-lined stainless steel. Output options include 4-20mA with HART, RS485, and relay contacts. The float level transmitter operates on 24V DC and is equipped with a flameproof housing rated Ex d IIC T6 Gb for safe installation in hazardous zones.
$362.77
Submersible Level Transmitter, 4-20mA/RS485, 0-50m
SISCO-SLT-PT3811
A submersible level transmitter is an instrument used to measure liquid levels by detecting hydrostatic pressure at the bottom of a tank, well, or reservoir. SISCO's submersible level transmitter provides accurate and stable liquid level measurement with a 0–50m measuring range, 304 stainless steel construction, and optional 4-20mA or RS485 output.
$96.89
SISCO Recommendations
Portable Shore hardness durometer has a 20 DO hardness value, 10~90H measuring range, accuracy ≤ ± 1H and 0.1H resolution. Digital Shore durometer, type O, suitable for soft rubber, thermoplastic elastomers, very soft plastics and thermoplastics, and medium-density textile windings.
$699.77
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Digital Brix refractometer for sale online, 8 measurement ranges optional, 0~10%/ 20%/ 32%/ 50%/ 80%/ 90%, 28~62%, 45~82% for selection. It integrates Brix meter, salinity refractometer, honey refractometer, coolant refractometer, alcohol refractometer, and antifreeze refractometer in one. A portable refractometer is easy to operate and maintain.
$80.72
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High-accuracy LCD display digital electric energy meter for 3 phase metering, DIN rail mounted, current direct connection up to 100A, Modbus-RTU protocol communication RS485 port, one energy pulse output, and has low power consumption, high precision, high overload, electricity anti-stealing.
$357.69
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Portable digital vibration meter is used to test the vibration of industrial machines and equipment in a reliable and accurate way, with LCD display and multi-functions, directly displaying the result and condition. This handheld vibration tester helps you to check the equipment condition easily.
$383.97
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PID temperature controller has dual digital 4 LED display, switch control/PID control, 4 output modes to choose from (relay output/SSR output/SCR/transmitter output 4-20mA), RS485/232 communication output, timing relay and other outputs, temperature controller has self-adjustment function and intelligent control, which ensures the long-term stability of the instrument.
$69.85
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Featured products
Drop Impact Tester for Paint
SISCO-IT-QCJ
SISCO drop impact tester is suitable for measuring the impact resistance of various coatings. It uses the weight of the heavy hammer to perform free fall at different heights, and can be repeated many times. By comparing the impact test results of the paint film under different construction processes, the best construction process parameters can be selected to improve the construction quality and impact resistance of the paint film.
$511.72
Moisture Meter for Corrugated Box
SISCO-MM-7822E
The small digital handheld moisture meter has a humidity measurement range of 1% to 40% and is capable of detecting moisture levels in corrugated paper, newsprint, carton paper, and kraft paper. The SISCO pinless moisture tester features a large LCD, providing clear and unbiased readings with a resolution of 1%, ensuring that your packaging meets strict quality standards.
$178.69
Digital Concrete Test Hammer
SISCO-RH-HD225D
High-accuracy digital concrete test hammer with a strength measurement range of 10-60 MPa, which has a 2.2 inches color display, which can provide accurate and reliable readings. The digital Schmidt hammer has the advantages of high testing accuracy, easy operation, and ultra-low power consumption.
$775.08
0 to 2 bar High Accuracy Digital Pressure Gauge, 0-30 psi
SISCO-DPG-20kP
SISCO 0 to 30 psi pressure gauge for sale online. 80mm dial diameter, stainless steel, M20*1.5 thread, and ±0.5% accuracy specification for connection. Digital pressure measurer is mainly used in industries, laboratories, scientific research, HVAC systems, water treatment.
$209.99
3000W Programmable AC Electronic Load
SISCO-AEL-3000
Powerful 3000W programmable AC electronic load is ideal for testing high-power devices and systems, delivering reliable and consistent performance across a wide range of applications. Seamlessly integrate with your existing testing setup using the RS-232 interface, allowing for enhanced control and data exchange with external devices and systems.
$1,998.97
Digital Rebound Hammer for Concrete Test
SISCO-RH-HT225JC
The SISCO digital rebound hammer is a reliable tool for civil engineers, building inspectors, and testing laboratories to quickly, accurately, and non-destructively test the compressive strength of concrete. It features advanced laser sensing technology and a user-friendly digital interface, ensuring consistent results while helping to keep testing costs under control.
$1,263.39
Digital Salinometer for Food Processing
SISCO-SM-WS600
Salinity meter for food processing, measurement range can be selected from 0.01%~5%, 0.01%~10, 0.01%~15% or 0.01%~26%, TDS measurement range up to 0~10000PPM, large screen with backlight and beep, clear readings, easy to carry.
$167.59
Home Air Quality Monitor, PM2.5/CO2/TVOC/Temperature/Humidity
SISCO-AIR-DM601
Best air quality monitor for sale online. It is designed for measuring PM2.5/PM1.0/PM10, CO2, TVOC, Temperature and Humidity. AQI data can also be displayed on the screen. Other functions like time, calendar and alarm clock are included. Home air quality monitor comes with a big display, large capacity rechargeable battery and 24-hour real-time monitoring, easy to operate and read.
$315.92
Portable Ozone (O3) Gas Detector, 0 to 10/20/50/100 ppm
GD200-O3
SISCO portable O3 gas detector with high-precision ozone sensor is suitable for monitoring ozone concentration in the range of 0 to 10/20/50/100ppm. The handheld gas detector features real-time LCD display, sound & light vibration alarm, high accuracy, fast response, and easy portability."
$815.39
Portable VOC Gas Detector, 0 to 1000 ppm
GD200-TVOC
Get a portable VOC gas detector with high precision and fast detection online. Pumped gas detectors have audible and visual vibration alarms. It is used for detection ranges from 0 to 100 ppm, 0-200 ppm, and 0 to 1000 ppm.
$2,896.35
Handheld Carbon Monoxide (CO) Gas Detector, 0 to 500/1000/2000 ppm
GD500-CO
Handheld gas detector can measure carbon monoxide (CO) in the range of 0 to 500ppm/1000ppm/2000ppm. With high accuracy and reliability, portable carbon monoxide detectors are widely used in oil, metallurgy, chemical, medical, agriculture, refinery and other industries.
$372.86
Portable Multi Gas Analyzer for NO2, SO2, CO, O3
GD600-4GAS
Portable gas analyzers for sale online. The high-quality multi gas analyzer can detect 4 gases: NO2 (0-10 ppm), SO2 (0-10 ppm), CO (0-20 ppm), and O3 (0-10 ppm). The gas analyzer is equipped with a high-definition liquid crystal display, large-capacity rechargeable lithium battery, a long working time, compact and lightweight design, easy to carry and operate. 1-18 kinds of gases can be customized.
$6,753.85
Portable Sulfur Dioxide (SO2) Gas Detector, 0 to 50/100/1000 ppm
GD200-SO2
The sulfur dioxide detector is a high accuracy portable gas detector. It can measure sulfur dioxide(SO2) with a range from 0 to 20/50/100/500/1000 ppm. The handheld SO2 detector is equipped with a back clip and silicone case, easy to carry, suitable for chemical processes, bleaching wood pulp and paper, food processing, and waste treatment.
$734.99
Portable Explosion-Proof Multi Gas Detector, 4-Gas, CO, H2S, O2, LEL
GD400-4GAS
Portable explosion-proof gas detector can detect 4 gases at the same time, including CO (0-1000ppm), H2S (0-100ppm), O2 (0-30%VOL), EX (0-100%LEL). It has IECEX, ATEX explosion-proof certificates, protection level reaches IP67, compact ergonomic design makes it easy to carry. The gas detector can effectively filter water, oil, dust and other impurities, widely used in harsh industrial environments such as coal mines and petroleum fields.
$767.79
Portable Explosion-Proof Multi Gas Detector, 5-Gas, CO, H2S, O2, LEL, VOC
GD400-5GAS
Portable explosion-proof gas detector has got IECEX and ATEX certificates that can detect CO, H2S, O2, LEL, and VOC at the same time. 0 to 100 ppm, 0 to 500 ppm, 0 to 1000 ppm, and 0 to 5000 ppm VOC measuring range for optional, fast response and accurate detection.
$2,853.49
Explosion-Proof Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm
GD400-H2S
sisco hydrogen sulfide (H2S) gas detector is a portable gas detector with a high quality sensor, IECEX, ATEX, explosion-proof certificates, and selectable measuring range of 0 to 50 ppm, 0 to 100 ppm, and 0 to 200 ppm. Handheld gas detectors can detect H2S quickly and accurately, best for indoor air quality monitoring.
$561.49
Explosion-Proof Hydrogen (H2) Gas Detector, 0 to 500/1000/2000 ppm
GD400-H2
Get an explosion-proof Hydrogen (H2) gas detector with IECEX and ATEX certificates. Compact gas detector provides a measuring range of 0 to 500 ppm, 0 to 1000 ppm, 0 to 2000 ppm, and 0 to 5000 ppm available, suitable to monitor the concentration of H2 in the chemical workshop, hydrogen bottle tank storage area and so on.
$863.99
5/10 MHz Function Signal Generator
SISCO-FSG-30
Best function generator for sale online. It is a function signal generator with a frequency range 0.1Hz~2MHz/5MHz/10MHz/13MHz/15MHz and 1Hz~30MHz frequency counter. Digital function signal generators can directly generate a sine wave, triangle wave, square wave, ramp wave, pulse wave, and sawtooth wave, used in production testing, instrument maintenance and laboratories.
$376.77
Sweep/FM Function Signal Generator, 0.1Hz~5MHz
SISCO-FSG-80
Durable function signal generators with a built-in 0.1Hz-30MHz frequency counter, can modulate AM/AF internally and externally and have linear and logarithmic frequency sweep functions, 0.1Hz~2MHz/3MHz/5MHz frequency range. Sweep/FM function signal generator can output 7 waveforms including sine wave, square wave, triangle wave and ramp wave and others.
$569.72
Digital Micrometer, 1~2 Inch Range, 0.00005 Inch Accuracy
SISCO-DM-J50
Electronic micrometer with 3V high-capacity battery to ensure a long time measuring work, measuring range 1~2 inch, accuracy 0.00007 inch. Digital micrometer is waterproof, dustproof and oil-proof, allowing use in harsh environments.
$198.76
0-10 N Digital Force Gauge, 0.01N
SISCO-DFG-10N
The provided digital force gauge with a measuring range of 0-10 N, 0.01N resolution. The digital push pull force gauge has peak hold, data storage, six probes, easy to carry advantages.
$196.27
Handheld Benzene (C6H6) Gas Detector, 0 to 50/5000/10000 ppm
GD200-C6H6
The SISCO portable benzene gas detector offers flexible and accurate detection of benzene in various environments. It features a customizable range from 0 to 1/5/10/20/50/100/200/500/1000/2000/5000/10000 ppm. This gas detector provides precise real-time benzene concentration readings, allowing you to detect even the smallest presence of this hazardous gas.
$1,589.52
Handheld Sulfur Hexafluoride (SF6) Gas Detector, 0 to 3000 ppm
GD200-SF6
This handheld SF6 gas detector offers flexible detection ranges from 0 to 1000 ppm, 0 to 2000 ppm, and 0 to 3000 ppm. With a resolution of 1 ppm, this device provides unparalleled precision for detecting sulfur hexafluoride leaks in power stations, transformers, and circuit breakers.
$1,589.52
Handheld Chlorine Dioxide (ClO2) Gas Detector, 0 to 5/50/100 ppm
GD200-ClO2
The SISCO compact handheld chlorine dioxide (ClO2) gas detector offers precise and reliable detection across a wide range of applications. You can choose from detection options including 0 to 1 ppm, 0 to 5 ppm, 0 to 10 ppm, 0 to 20 ppm, 0 to 50 ppm, or 0 to 100 ppm, tailored to your specific needs. Ideal for chemical processing, water purification, and environmental monitoring, this gas detector provides the flexibility and accuracy necessary to effectively manage potential hazards.
$802.22
Digital Conductivity Meter for Soil Testing
SISCO-SCM-ECLY610
This digital conductivity meter is a versatile 3-in-1 device designed to measure soil electrical conductivity (EC), moisture, and temperature. With real-time data and high accuracy, it helps optimize irrigation schedules, prevent over-fertilization, and improve soil health.
$156.92
Tipping Bucket Rain Gauge
SISCO-RG-XS-RS01O
Good price tipping bucket rain gauge for sale online. The tipping rain gauge has three options of0.1mm/0.2mm/0.5mm, φ200mm rain inlet dimension, 40°-45° acute angle of cutting edge. The high-precision tipiing bucket rain gauge has high precision and good stability.
$125.62
Copper Rain Gauge for Garden
SISCO-RG-WF-34
Cheap floating rain gauge for sale. The copper rain gauge features a floating tube that displays rainfall or irrigation levels. It includes inch and cm scales to measure precipitation up to 5cm, ensuring easy readability from your garden.
$50.16
Outdoor Rain Gauge
SISCO-RG-YH-003
High-quality outdoor rain gauge for garden is designed as three-section structure, the overall height reaches 29 inches. The height of 29 inch is not easy to be covered by flowers or grass, easy to read. The tube of rain gauge outdoor is made of high quality glass, which is durable and will not be faded or deformed easily.
$36.99
Decorative Rain Gauge for Lawn
SISCO-RG-YC2024712
Cute rain gauge for sales online. The decoratrive rain gauge has butterfly/hummingbird two styles can be chosen. The ornamental rain gauge has a transparent glass tube, which has double scales of inches/cm, convenient and long enough for you to measure the rainfall, and the clear scale allows you to read the numbers easily.
$50.62
Optical Rain Gauge for Agriculture
SISCO-RG-SN-3001
Professional optical rain gauge supports two output modes of RS485 output and 5V pulse output, 6cm rain sensing diameter, maximum instantaneous rainfall of 24mm/min. The accurate rain gauge is ideal for agricultural monitoring, weather stations, and remote environmental sensing applications.
$128.36
Plastic Rain Gauge for Yard
SISCO-RG-AT936
Good price plastic rain gauge is transparent in color, making it easy to see the water level. The rain gauge can measure up to 5 inches of rainwater ; clear calibration, easy to read. The maunal rain gauge is a great tool for every backyard weather watcher, keen gardener or farmer.
$32.93
5 inch Waterfall Rain Gauge
SISCO-RG-2025
Modern waterfall rain gauge can measure up to 5 inches of rain, large digits & red floating mark for accurate reading even from a long distance. This rain gauge with a design inspired by a cascading waterfall which can enhance to the look of any garden or deck.
$38.77
Handheld Salinity Meter, 0~10%
SISCO-SM-LYD-101
Cheap price handheld salinity meter for sale online. The salt meter with the measurement range of 0~10%, resolution 0.1%. Featuring a waterproof and dustproof body, the digital salinity meter is ideal for field and laboratory use.
$90.15
3 in 1 Digital Salinity Meter, 0~10%
SISCO-SM-8373
SISCO high-precision digital salinity meter is designed to measure salinity, temperature, and TDS in various water samples. The salt meter with automatic temperature compensation (ATC) function adjusts the readings based on water temperature, ensuring accurate results regardless of temperature variations.
$134.15
Portable Salt Meter for Food, 0~10%
SISCO-SM-NK
Lower cost portable salt meter designed for accurate measurement of salt concentration in food, sauces, soups, and other liquid samples. With a high-precision sensor and digital display, it provides quick readings of salt content in seconds, helping chefs, home users monitor and control sodium levels effectively.
$75.69
Handheld Digital Salt Meter with ATC
SISCO-SM-98305
High-accuracy handheld digital salt meter with measuring range of 0~199.9 ppt, resolution of 0.1 ppt. This salinity test pen is very simple to use and use, there is no complicated operating process.
$60.99
Digital Salt Tester for Food
SISCO-SM-YHT100B
Reasonable price digital salt tester has two optional measuring ranges of 0~70 ppt/0~100 ppt. This digital salinity meter is designed for fast and accurate measurement of salt concentration and temperature in liquids.
$85.19
Digital Battery Status Indicator, 50A/100A/350A, 36V/48V
SISCO-BI-TR16H
This smart battery monitor uses a high-precision chip to deliver ±1% reading accuracy. Easily switch between four parameters: remaining capacity (Ah), state of charge (%), charge/discharge current, and battery voltage. The compact 59×20mm housing fits tight spaces, while a low-power design (10mA working, 50μA sleep) preserves battery life. Choose the 50A, 100A, or 350A shunt to match your system, from e-bikes and golf carts to heavy-duty trucks and yachts.
$103.14
Electric Battery Capacity Indicator, 50A/100A/350A, 12V/24V
SISCO-BI-TR24
Built for accurate energy management, the Electric Battery Capacity Indicator provides a stable battery capacity indicator and battery power level indicator with battery level gauge, battery indicator meter, and battery state of charge indicator functions. It supports lithium, LiFePO4, and lead-acid batteries, suitable for car, RV, and marine systems. This battery gauge improves monitoring efficiency and prevents over-discharge in demanding environments.
$131.00
High Temp Float Level Switch, 304SS
SISCO-LS-SSY85
High-temp float level switch provides stable ON/OFF control with a maximum switching current of 1.5A and contact resistance < 0.2 Ω. Rated for 120°C, this 304SS float level switch supports M10 or DN15 process connections and offers both Normally Open and Normally Closed output modes. With a DC 220V max working voltage and ≥10⁸Ω insulation resistance, this high-temp float switch ensures reliable signal output and extended operational life.
$122.37
Bestsellers
Disposable Temperature Data Logger, USB, Single Use
SISCO-TDL-U02
Disposable temperature data logger is used for shipping, vaccine storage and cold chain. temperature recording range -30℃ ~ +60℃ (22℉ or 140℉), 30/60/90 days recording duration available. This single use temp data logger can be inserted to computer’s USB port to get PDF report directly.
$24.43
Rebound Hammer Tester for Brick
SISCO-RH-ZC4
Reliable rebound hammer tester for brick used for testing brick compressive strength within the scope of 6-30Mpa. The rebound hammer tester for brick is a specialized tool designed for assessing the quality and strength of brick surfaces.
$233.74
Custom Order
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Fixed Combustible Gas Detector, 0 to 100% LEL
GD300-EX
Combustible gas detector is a fixed gas monitor to detect the flammable gas leakage with the sound and light alarm. sisco fixed gas detector with real-time display and remote control, is available with signal output 4-20mA and RS485, fast response and high accuracy.
$526.67
Shop on sisco.com for all of your industrial test and measurement equipment & accessories including portable detectors, meters, testers, scales, etc.
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