Key facts
- Brand
- OHAUS
- Model
- MB90
- Category
- Other Electronics
- Documents
- 3
- Languages
- ZH · EN
- Last added
- 2026-09-30
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OHAUS MB90 Moisture Analyzer Instruction Manual
The OHAUS MB90 is a halogen moisture analyzer designed to determine the moisture content of substances using thermogravimetric principles. It features a fully programmable colorful touch screen, ergonomic controls, and built-in functions for manual or automatic timing and printing intervals.
This document provides comprehensive instructions on getting to know the device, safety information, installation procedures (unpacking, leveling, power connection), and how to make simple measurements. It details menu navigation, setup options such as language selection and user settings, method library management including drying profiles and temperature adjustments, and result viewing and export functions.
OHAUS MB90 specifications
| Maximum weighing value | 90 |
|---|---|
| Readability | 0.01% / 0.001 g |
| Repeatability (3 g sample) | 0.18 % |
| Repeatability (10 g sample) | 0.02 % |
| Moisture range | 0.01 % – 100 % (0.01 % – 1000 % in moisture‑return mode) |
| Heating source | Halogen lamp |
| Temperature range | 40 °C – 200 °C |
| Power consumption (heating) | 450 W |
| Supply voltage | 100 V‑120 VAC 5 A 50/60 Hz or 200 V‑240 VAC 2.5 A 50/60 Hz |
| Display | 4.3" QVGA TFT touchscreen |
| Interfaces | RS232, USB (host and device) |
| Dimensions (W×H×D) | 21 × 18 × 35 cm |
| Net weight | 5.23 kg |
All OHAUS MB90 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I turn the MB90 moisture analyzer on or off?
Press the ON/OFF button on the control panel.
How is data backed up in case of power loss?
The instrument has an internal backup battery that stores settings and measurement results when power is lost.
What is the principle of operation for the MB90 Moisture Analyzer?
The instrument operates on the thermogravimetric principle, where the sample is quickly heated by an integral halogen dryer unit to vaporize moisture.
Can I use extension cables with this device?
Yes, but only those that meet relevant standards and include an equipment grounding conductor.
What is the principle of operation for the MB90 Moisture Analyzer?
The instrument operates on the thermogravimetric principle, determining weight before and after heating to vaporize moisture.
How many languages does the MB90 support?
The device supports thirteen languages including English, Spanish, French, German, and others.