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UK Mainland Free Delivery £100 + VAT
30 Day Return Policy
Next Day Delivery Cut Off Time 3PM

TIS

Founded in 2005, Test Instrument Solutions (TIS) provides electricians, maintenance engineers, and industry professionals with a comprehensive range of electrical testing equipment. Our products are distributed through electrical wholesalers across the UK and Ireland, allowing customers to see and test units before purchase.

Showing 1–20 of 43 results

TIS 851 LCD and LED Voltage and Continuity Tester

TIS | 851 | LCD and LED Voltage and Continuity Tester
3 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: TIS 851
£46.20
TIS 565 Elite TRMS Earth Leakage Clamp Meter

TIS | 565 | Elite TRMS Earth Leakage Clamp Meter
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS 565
£164.45
The TIS 570 Earth Leakage Clamp Meter

TIS | 570 | AC/DC Earth Leakage Clamp Meter
1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: TIS 570
£208.45
TIS HT304K Reference Cell For Irradiance Measurement

TIS | HT304K | Reference Cell For Irradiance Measurement
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: HT304K
£296.45
TIS HT305 Reference Cell

TIS | HT305 | Reference Cell
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: HT305
£296.45
TIS HT9025 1500V DC Solar PV Clamp Meter

TIS | HT9025 | 1500V DC Solar PV Clamp Meter
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: HT9025
£519.75
TIS I-V400W Solar I-V Curve Tester

TIS | I-V400W | Solar I-V Curve Tester
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS I-V400W
£2,872.10
TIS I-V500W Solar I-V Curve Tester

TIS | I-V500W | Solar I-V Curve Tester
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS I-V500W
£3,372.60
TIS IV600 Advanced I-V Curve Tracer

TIS | IV600 | Advanced I-V Curve Tracer 1500V and 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS IV600
£7,680.75
TIS MC4TL MC4 Test Leads

TIS | MC4TL | MC4 Test Leads
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TIS MC4TL
£16.47
TIS PT300N Temperature Probe for PV Panels

TIS | PT300N | Temperature Probe for PV Panels
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: PT300N 
£180.95
TIS PT305 Temperature Probe For PV Panels.

TIS | PT305 | Temperature Probe For PV Panels
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: PT305
£96.25
TIS PV-ISOTEST Solar PV Multifunction Tester

TIS | PV-ISOTEST | Solar PV Multifunction Performance Tester
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS PV-ISOTEST
£1,305.15
TIS PV1 Solar Irradiance Meter

TIS | PV1 | Solar Irradiance Meter
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS PV1
£93.50
TIS PVCHECKS-PRO 1500V 40A Solar Commissioning Tester

TIS | PVCHECKS-PRO | 1500V 40A Solar Commissioning Tester
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS PVCHECKS-PRO
£3,580.50
TIS PVCHECKS-PRO PLUS Solar Commissioning Tester Kit

TIS | PVCHECKS-PRO PLUS | Solar Commissioning Tester Kit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS PVCHECKS-PRO PLUS
£4,196.50
TIS SOLAR I-Ve Multifunction I-V Curve Tracer

TIS | SOLAR I-Ve | Multifunction I-V Curve Tracer
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: SOLAR I-VE
£5,790.40
TIS SOLAR02 Remote Temperature and Irradiance Unit

TIS | SOLAR02 | Remote Unit for Irradiance, Temperature & PV Module Inclination
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: SOLAR02
£712.25
TIS SOLAR03 Remote Temperature and Irradiance Unit

TIS | SOLAR03 | Remote Temperature and Irradiance Unit of PV Modules
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: SOLAR03
£619.85
TIS PV2KIT/ELITE Solar PV Kit

TIS |PV2KIT/ELITE | Elite Solar PV Kit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TIS PV2KIT/ELITE
£261.25

Showing 1–20 of 43 results

Proudly serving electricians and construction projects across Fulham, Chelsea, and the wider London area — and nationwide with fast next-day delivery by courier.

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Next Day Delivery

Cut-Off Time and Order Information
To ensure your order qualifies for next day delivery, please place your order by 3:00 PM. This is subject to all items being available on the shelf at the time of your order. For orders where the total value exceeds £200 + VAT (double our standard carriage-paid order value of £100 + VAT), we are happy to split the delivery into two shipments if some items are needed urgently and others are not immediately available. If you have any questions or need further assistance, feel free to reach out to us via WhatsApp for live support. We’re here to help!

In Stock Delivery Policy

Free Next-Day Delivery Over £100 + VAT:
Orders above £100 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

Orders Below £200 + VAT:
To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

Orders Above £200 + VAT:
For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.

Supplier Lead Time & Availability

This item may be sourced from our supplier before dispatch.
The lead time shown is an estimate only and is based on the usual supplier timeframe. It is subject to supplier availability and is not a guaranteed delivery date.
We do not have a live supplier stock feed, so supplier stock can change without notice.
Delivery timers and courier estimates apply once the item is available for dispatch.
If the item is unavailable, we will contact you with the available options, including waiting for stock, choosing an alternative product, cancellation, or a refund for the unavailable item.
This does not affect your statutory rights.

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