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General| Brand | Sherwood Scientific |
|---|---|
| Model | 926S |
| Category | Measuring Instruments |
| Language | English |
Details the M926S as a direct reading digital chloride meter for clinical samples.
Explains the instrumental analogue of traditional titrimetric methods for chloride determination.
Recommends solutions for use with M926S, covering dilution, storage, purification, and instability.
Specifies the M926S operates at low voltage with a universal mains adapter (100-240V).
Provides instructions for unpacking the instrument and checking contents against the supplied list.
Guides on fitting electrodes, stirrer, and connecting the mains adapter.
Explains the M926S titration process using silver ions and conductivity changes to determine chloride.
Specifies the measurement range for chloride as 10 to 299mmol/l.
Defines accuracy within ±2mmol/l at 100mmol/l level.
States linearity within ±1mmol/l or ±1% concentration.
Sets reproducibility coefficient of variance at ≤ 1.5% for 100mmol/l solution.
Defines calibration stability change limit over anode life.
States a stable reading is displayed within 26 seconds at 100mmol/l.
Indicates twenty samples per reagent change for 100µl or 20µl volume.
Details sample type, presentation, and selectable volume (100µl or 20µl).
Describes the LCD screen for results, units, and status.
Specifies a five-minute warm-up period is required.
Lists operating and transportation temperature and humidity ranges.
Details mains adapter input and output specifications.
Provides the physical dimensions (width, depth, height) of the instrument.
States the instrument's weight as 1.9kg (4.2lbs).
Describes the front panel controls: display screen, 'select', 'condition', and 'titrate' buttons.
Details rear panel connections: power switch, power input, RS232, USB A, and USB B sockets.
Provides step-by-step instructions for performing sample measurements and conditioning cycles.
Explains how to connect and print results via RS232 serial interface.
Details connecting to computers via USB for data transfer.
Lists important precautions for instrument use, electrode care, and sample handling.
Highlights electrical hazards and precautions when moving the instrument.
Discusses the importance of a Quality Control programme for instrument and operator performance.
Suggests methods for formulating a Quality Control programme, including standards and reproducibility checks.
States the M926S is designed for minimal maintenance and refers to daily tasks.
Outlines daily maintenance tasks: checking electrodes, stirrer, and cleaning the sample area.
Provides detailed steps for cleaning, inspecting, and replacing electrodes.
Suggests checking power supply and switch for a blank display.
Lists common on-screen alerts and their meanings.
Troubleshoots issues with conditioning or titration cycles, focusing on electrodes and sample.
Addresses potential causes for inaccurate results, such as standard solution or pipetting.
Suggests checks for warm-up, pipette reproducibility, electrodes, and buffer.
Details information required when ordering spares and accessories.
Lists available spares and accessories with catalogue numbers and quantities.
