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Light meter and recorder ULM-500 (Heinz Walz GmbH, Germany) is available from LABERA.UZ for laboratory, testing, medical and industrial applications in Uzbekistan.
Contact LABERA.UZ for specifications, pricing, lead time and a commercial quotation.
| Technical Specifications | |
| Weight: | About 210g (without sensor). |
| Autonomous lifetime | Up to 100 days of sleep or 20 hours of continuous measurement. |
| Time of analysis/measurement | From 0.1 s to 60 min (configurable registration interval). |
| Dimensions: | 17 × 8 × 3 cm |
| Range of measurement/analysis | 0.1 – 99,999 μmol m−2 c−1 (5 sensitivity ranges). |
| Measured/controlled parameters | Light intensity, photosynthetically active radiation (PAR, 400-700 nm), pulsed lighting, sheet temperature (when using JUNIOR-B clip), time and date of measurement. |
| Interfaces and exits: | 2 BNC ports, USB-mini B, DC 5V power connector. |
| Number of channels/points of measurement | 2 BNC-entry + 1 port of accessories (total 3 channels). |
| Number of programmable cycles/automatic modes | Up to 50,000 recording cycles; automatic "Sleep" mode with wake-up timer. |
| Number of calibration points/calibration method | Factory calibration of Heinz Walz GmbH; user verification by standard light source. |
| Completement | ULM-500 main unit, USB cable, 4 AAA batteries, case, user manual; optionally MQS-B or LS-C sensor. |
| Construction and features | Compact case with graphic display and backlight; desktop and portable operation; built-in control buttons. |
| Material of the housing / working chamber / tip | Body of anodized aluminum with rubber seals; waterproof connectors. |
| Method of analysis / principle of work | Quantum photometer based on silicon photodiode with 400-700 nm filter; pulse integration and time averaging. |
| Availability of memory / functions of data storage | Built-in memory of 50,000 points; writing in WinControl or TXT format. |
| Sample volume/volume range | — |
| Food: | 4 AAA batteries (1.5V) or via USB 5V from the adapter/PC. |
| Applied media | Laboratory, greenhouse and field conditions; natural and artificial lighting. |
| Software/PC Compatibility: | Compatible with WinControl-3 (Heinz Walz); support for online graphics and data export. |
| Certificates and compliance with standards | CE; ISO 9001; conforms to GLP and RoHS. |
| Lighting/climate control system | Not provided; measurement of an external light source. |
| Country of production | Germany |
| Temperature compensation | Automatic compensation of sensor sensitivity according to the built-in thermosensor. |
| Type of sensor / electrode / probe / indicator | Connected PAR sensors (MQS-B, LS-C, US-SQS/L) via BNC inputs; JUNIOR-B clip or 2030-B adapter. |
| Accuracy of measurement/analysis | ± 3% indication (in the range of 10–10,000 μmol m−2 s−1). |
| Storage conditions | Store in a dry room at +5 ... +40 ° C, without getting dust and moisture. |
| Conditions of operation | Temperature 0...+50 °C; humidity up to 90% without condensation. |