This document describes the C.K brand's main tester product range, including features and characteristics of the products.
The catalogue presents C.K’s professional electricians’ voltage testers (Mainstesters) covering models 440007, 440008, 440009, 440012 and 440013. Each model is VDE‑certified and designed for specific voltage ranges, with high‑visibility neon tubes, insulated moulded handles, and chrome‑vanadium blades for durability.
Safety information emphasizes using the tester only within the marked voltage range, avoiding wet or freezing conditions, and testing functionality before each use. The range complies with VDE standards, is not subject to RoHS/WEEE regulations, and carries a lifetime warranty against material or workmanship defects. All units are manufactured in Germany.
| Voltage range (model 440007) | 220 to 250 V AC |
|---|---|
| Voltage range (model 440008) | 125 to 250 V AC |
| Blade size (model 440007) | 65 × 3 mm |
| Blade material | Chrome vanadium steel, hardened to 57‑59 HRC, chrome plated |
| Handle construction | Injection‑moulded around the blade |
| Warranty | Lifetime guarantee against material or workmanship defects |
| Country of origin | Germany |
| Dimensions (model 440007) | 5 × 5 × 740 mm, 16 g net weight |
Use the tester only within the marked voltage range, avoid wet, damp or freezing conditions, and test the function before each use.
C.K Mainstesters are guaranteed for life against imperfect materials or workmanship.
This product range does not fall within the scope of RoHS or WEEE regulations.