TRMS HVAC Clamp with T; Peak Hold; Data hold; Min/Max; Manual ranging; Backlight; Worklight; Low battery indicator; Auto power; 2-Year limited warranty. Dual display Yes. Temperature Inputs 2. Display count 6000. Temperature -328°F to 2462°F. Differential Temperature Yes. Drop Protection 6 foot. Manual (Eng) The DL489 True RMS Clamp meter offers contractors better features, functions and safety in a commemorative edition housing. A complete meter with the Manuals and User Guides for UEi DL489. We found 8 manuals for free downloads: Datasheet, Owner's manual, instruction manual INSTRUCTION MANUAL. ENGLISH. DL489. Commemorative Edition True RMS The UEi LRA Inrush is programmed to properly capture the starting current for. Min/Max; Manual ranging; Backlight; Worklight; Low battery indicator; Auto power; Test lead storage; Magnetic mount; Battery compartment latches; Input jackUEI - The DL489 is a True RMS meter with a dual display and dual K-Type temperature inputs that measure T1, T2 or differential temperature with a wide range View and Download UEi DL489 instruction manual online. Commemorative Edition True RMS Digital Clamp-On Meter. DL489 measuring instruments pdf manual download.