Manufacturer: Lovibond Tintometer Group
| Model | Model WM-040-1004 (IR) |
| Light Source | IR LED (860 nm) |
| Regulatory Compliance | ISO 7027 |
| Measuring Principle | Nephelometric (Multipath 90° BLAC) |
| Measuring Range | 0.01 - 4000 NTU (FNU) |
| Resolution | Auto ranging: 0.01-9.99: 0.01 NTU ; 10.0-99.9: 0.1 NTU ; 100-4000: 1 NTU |
| Accuracy | ± 1.8 % of reading + straylight |
| Repeatability | < 1 % or ± 0.01 NTU |
| Stray Light | < 0.014 NTU |
| Display Units | NTU, FNU, Degrees, mg/l Kaolin, mg/l PSL |
| Response Time | 7 seconds |
| Reading Modes | Single, Signal Averaging, Fast-Settling |
| Calibration Options | Full-range calibration from 0 - 4000 NTU |
| Detector | Silicon Photodiode |
| Ratio Mode | Yes |
| Sample Required | 10 mL (0.4 oz) |
| Display | Full-Colour Touchscreen |
| Display Size | 55 x 95 mm (W x H) |
| Interfaces | USB-A USB-C |
| Data Logger | 250 measurements, all calibrations, verifications and factory-restore actions |
| Data Transfer Format | .csv |
| Power Save Mode | Yes |
| Auto – OFF | Selectable |
| Power Requirements | Alkaline batteries, 4 x AA (included) ; Rechargeable battery pack, 3 x AA NiMH (optional) ; Power supply set, AC 100 - 240 V, 50/60 Hz (optional) " |
| Environmental Conditions | Temperature: 0 - 50 °C (32 - 122 °F) Humidity: 0 - 90 % at 30 °C, noncondensing Humidity: 0 - 80 % at 40 °C, noncondensing Humidity: 0 - 70 % at 60 °C, noncondensing |
| Protection Class | IP 67 (Instrument) |
| Compliance | CE CSA FCC RoHS TÜV UL WEE |
| Languages User Interface | German, English, French, Spanish, Portuguese, Chinese, Japanese, Dutch, Turkish, Polish |
| Languages Quick Start Guide | German, English, French, Spanish, Italian, Portuguese, Chinese, Dutch, Turkish, Russian |
| Languages Full User Manual | German, English, French, Spanish, Italian, Portuguese, Chinese, Dutch, Turkish, Russian |
| Dimensions | 155 x 83 x 225 mm |
| Weight | 804 g (898 g with four AA alkaline batteries) |
| Weight with Packaging | (898 g with four AA alkaline batteries) |
Manufacturer Part Number/SKU: 194300-EA
Tags: Lovibond Tintometer Group