We Only Stock G.O.A.T. – Greatest Of All Testers At Testermans, we don’t just sell testers—we stock the best of the best. From electrical MFTs to gas analysers, thermal imagers to PAT testers, our range is handpicked for reliability, precision, and performance.
Whether you’re testing voltage, combustion, flow, or power—our lineup delivers. ✅ Trusted brands like Fluke, Anton, Seaward, Testo, Micronics & more ✅ Fast dispatch, expert support, and calibration services available ✅ Great. Offers. Always. Terrific.
Explore the full range below and find your next G.O.A.T.
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton PRO2-OILKIT Sprint Pro2 Multifunction Flue Gas Oil Kit
- £621.00 / £745.20 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton PRO3-OILKIT Sprint Pro3 Multifunction Flue Gas Oil Kit
- £715.50 / £858.60 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton PRO6-OILKIT Sprint Pro6 Multifunction Flue Gas Oil Kit
- £1,131.30 / £1,357.56 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton PRO6-SAFETYKIT Sprint Pro6 Multifunction Flue Gas Safety Kit
- £1,050.30 / £1,260.36 incl VAT
- ⚡ Comprehensive Gas Analysis: Measure CO, CO2, and O2 levels, along with CO:CO2 ratios for thorough assessments. ⚡ Versatile Testing: Conduct a range of measurements, from excess air to differential temperature, providing a versatile solution. ⚡ Advanced Sensor Technology: Dual-beam infrared CO2 sensor enables ambient CO2 monitoring and simultaneous CO and CO2 assessment. ⚡ Robust and Durable: Rugged design, secure…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro2 Multifunction Flue Gas Analyser KIT B (CO, O2, (CO2 Calculated)
- £679.50 / £815.40 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro2 Multifunction Flue Gas Analyser Reporting KIT A
- £622.80 / £747.36 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro3 Multifunction Flue Gas Analyser CPA1 (Kit B)
- £774.00 / £928.80 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro3 Multifunction Flue Gas Analyser Reporting Kit (Kit A)
- £717.30 / £860.76 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro5 Kit A Flue Gas Analyser (Nitric Oxide / NOx)
- £897.30 / £1,076.76 incl VAT
- ⚡ Comprehensive Gas Analysis: Measure CO, CO2, and O2 levels, along with CO:CO2 ratios for thorough assessments. ⚡ Versatile Testing: Conduct a range of measurements, from excess air to differential temperature, providing a versatile solution. ⚡ Advanced Sensor Technology: Dual-beam infrared CO2 sensor enables ambient CO2 monitoring and simultaneous CO and CO2 assessment. ⚡ Robust and Durable: Rugged design, secure…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro5 Multifunction Flue Gas Analyser
- £765.00 / £918.00 incl VAT
- ⚡ Comprehensive Gas Analysis: Measure CO, CO2, and O2 levels, along with CO:CO2 ratios for thorough assessments. ⚡ Versatile Testing: Conduct a range of measurements, from excess air to differential temperature, providing a versatile solution. ⚡ Advanced Sensor Technology: Dual-beam infrared CO2 sensor enables ambient CO2 monitoring and simultaneous CO and CO2 assessment. ⚡ Robust and Durable: Rugged design, secure…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro6 Multifunction Flue Gas Analyser (Nitric Oxide / NOx and Direct CO2)
- £950.00 / £1,140.00 incl VAT
- ⚡ Comprehensive Gas Analysis: Measure CO, CO2, and O2 levels, along with CO:CO2 ratios for thorough assessments. ⚡ Versatile Testing: Conduct a range of measurements, from excess air to differential temperature, providing a versatile solution. ⚡ Advanced Sensor Technology: Dual-beam infrared CO2 sensor enables ambient CO2 monitoring and simultaneous CO and CO2 assessment. ⚡ Robust and Durable: Rugged design, secure…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Anton Sprint Pro6 Multifunction Flue Gas Analyser Kit A
- £1,143.00 / £1,371.60 incl VAT
- ⚡ Comprehensive Gas Analysis: Measure CO, CO2, and O2 levels, along with CO:CO2 ratios for thorough assessments. ⚡ Versatile Testing: Conduct a range of measurements, from excess air to differential temperature, providing a versatile solution. ⚡ Advanced Sensor Technology: Dual-beam infrared CO2 sensor enables ambient CO2 monitoring and simultaneous CO and CO2 assessment. ⚡ Robust and Durable: Rugged design, secure…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: PRO3-SAFETYKIT Sprint Pro3 Multifunction Flue Gas Safety Kit
- £634.50 / £761.40 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton by Crowcon: Sprint Pro4 Flue Gas Analyser with Direct CO2
- £727.20 / £872.64 incl VAT
- ⚡ Comprehensive Gas Analysis: Measure CO, CO2, and O2 levels, along with CO:CO2 ratios for thorough assessments. ⚡ Versatile Testing: Conduct a range of measurements, from excess air to differential temperature, providing a versatile solution. ⚡ Advanced Sensor Technology: Dual-beam infrared CO2 sensor enables ambient CO2 monitoring and simultaneous CO and CO2 assessment. ⚡ Robust and Durable: Rugged design, secure…
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- Environmental & Calibration, Flue Gas Analysers
Anton PRO3-PROBEKIT Sprint Pro3 Multifunction Flue Gas Probe Kit
- £666.00 / £799.20 incl VAT
- ⚡ Perform critical test measurements with a single device, eliminating the need for multiple tools. ⚡ Suitable for various setups, including gas, oil, coal, and wood pellet-powered boilers in residential or commercial environments. ⚡ Easy-to-use interface for efficient operation in diverse settings. ⚡ Built to last with a robust design and troubleshooting capabilities. ⚡ Features a triple-filter water trap system…
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- Environmental & Calibration, Flue Gas Analysers
Anton PRO6-PROBEKIT Sprint Pro6 Multifunction Flue Gas Probe Kit
- £1,081.80 / £1,298.16 incl VAT
- ⚡ Comprehensive Gas Analysis: Measure CO, CO2, and O2 levels, along with CO:CO2 ratios for thorough assessments. ⚡ Versatile Testing: Conduct a range of measurements, from excess air to differential temperature, providing a versatile solution. ⚡ Advanced Sensor Technology: Dual-beam infrared CO2 sensor enables ambient CO2 monitoring and simultaneous CO and CO2 assessment. ⚡ Robust and Durable: Rugged design, secure…
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- Earth Testing Equipment, Electrical, Electrical Testing Kits, High Voltage
Chauvin Arnoux CA6472 Earth & Resistivity Tester
- £3,846.36 / £4,615.63 incl VAT
- ⚡ Performs full range of earth tests including soil resistivity, earth coupling and more ⚡ Two-, three- and four-wire measurement available plus testing via C182 clamps ⚡ 41Hz to 5078 Hz frequency range assess earthing system in event of lightning
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- Electrical, Insulation & Continuity Testers
Chauvin Arnoux CA6503 Megohmmeter Magneto 250 – 1000V DC
- £614.00 / £736.80 incl VAT
- ⚡ Accurate voltage testing up to 600V with 3% accuracy. ⚡ Insulation measurements up to 500V with a range of up to 200mOhm. ⚡ Dual resistance ranges (0-45kOhm and 45-500kOhm) with 2.5% accuracy. ⚡ Versatile application in various sectors including maintenance, testing, and compliance with safety standards.
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- Electrical, High Voltage, Insulation & Continuity Testers, Megohmmeters
Chauvin Arnoux CA6505 Digital Megohmmeter – 5kV Insulation Resistance Tester
- £2,152.08 / £2,582.50 incl VAT
- ⚡ Wide range of insulation resistance measurement from 10kΩ to 10TΩ. ⚡ Versatile voltage measurements up to 5100V for comprehensive testing. ⚡ Capable of measuring capacitance up to 49.99F and leakage current up to 3000A. ⚡ Convenient programmable test duration and locking of test voltage. ⚡ Robust carrying case for protection and portability, with a 30-day battery life for uninterrupted testing.
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- Insulation & Continuity Testers
Chauvin Arnoux CA6536 Insulation Tester, digital, 10-100V DC, in 1V Steps Cat.IV 600V, c/w carrying case & leads.
- £659.40 / £791.28 incl VAT
- ⚡ The test voltage is completely adjustable between 10V and 100V for use in specialist sectors ⚡ The CA6536 has a measurement range of 2kΩ up to 20GΩ, and is rated CAT IV 600V ⚡ Also supplied with a torch, a carry case, and a magnetic mount which makes the tester usable hands-free
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- Electrical, High Voltage, Insulation & Continuity Testers, Megohmmeters
Chauvin Arnoux CA6545 Digital Megohmmeter – 5kV Insulation Resistance Tester with Timed IR, PI, DAR & Step Voltage
- £2,446.08 / £2,935.30 incl VAT
- ⚡ Wide insulation testing range from 30kΩ to 10TΩ for high voltage systems. ⚡ Four fixed test voltages (500V, 1000V, 2500V, 5000V) with programmable options. ⚡ Automatic calculation of important ratios like DAR, PI, and DD, along with R(t) curve tracing. ⚡ Convenient features such as programmed test duration, voltage lock-down, and programmable alarms. ⚡ Equipped with a large LCD…
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- Electrical, High Voltage, Insulation & Continuity Testers, Megohmmeters
Chauvin Arnoux CA6547 Digital Megohmmeter – 50V to 5000V Insulation Resistance Tester with Timed IR, PI, DAR, Step Voltage & RS232 Connectivity
- £3,034.08 / £3,640.90 incl VAT
- ⚡ Insulation resistance measured between 10kΩ and 10TΩ ⚡ Polarisation index, dielectric absorption ratio and R(t) graph plotting ⚡ Dielectric discharge measurement for assessing composite insulation
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- Electrical, High Voltage, Insulation & Continuity Testers, Megohmmeters
Chauvin Arnoux CA6549 Digital Megohmmeter – Graphical, 40V to 5000V DC with RS232 & Analysis Software
- £3,433.08 / £4,119.70 incl VAT
- ⚡ Capable of PI, DAR ratio, and dielectric discharge index calculation ⚡ Real-time projection of R(t) graph on large, graphical display ⚡ Measures resistance (10TΩ), leakage current, capacitance and voltage
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- Electrical, High Voltage, Megohmmeters
Chauvin Arnoux CA6550 10kV Megohmmeter
- £4,200.00 / £5,040.00 incl VAT
- ⚡ Test voltages up to 10kV for measuring insulation resistance up to 25TΩ ⚡ PI, DAR ratio, DD index calculation, and relative mode analysis ⚡ Multiple graphs shown on screen including R(t)+u(t), i(t) and i(u)
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