Zirconia Type Oxygen Analyzers (O2 Meters)
TF-21D201
Features
- Sensors and receiver can be installed at desired locations
- Lightweight and compact design allows easy integration into various systems
- Supports trace concentration measurement (minimum range: 0–10 ppm)
Usage
- Semiconductor manufacturing equipment, atmosphere measurement in various N2 furnaces, air separation units
Specifications
| Model | TF-21D201 (TF-21 Sensor + DTF-201 Receiver) | |
|---|---|---|
| Measuring Principle | Zirconia type concentration cell method | |
| Measuring Range |
Min. 0–10 ppm to Max. 0–25%; Any four ranges selectable with fixed zero point *Output range configurable from 0–10 ppm to 0–100% |
|
| Calibration | Air-point calibration plus up to four additional points (Calibration possible for each measurement range) | |
| Analog Output |
DC 4–20 mA, non-isolated output, load resistance ≤600 Ω DC 0–1 V / DC 0–5 V / DC 0–10 V, selectable (non-isolated output) |
|
| Sample & Calibration Gas Flow Rate | 0.5 L/min | |
| Accuracy | Repeatability | ±1% FS (below 0–1% range), ±0.5% FS (0–1% range and above) |
| Linearity | ±3% FS (below 0–100 ppm range), ±2% FS (below 0–1% range), ±1% FS (0–1% range and above) | |
| Response Time | ≤30 seconds (below 0–1% range), ≤10 seconds (0–1% range and above) (90% response when switching calibration gas) | |
| Drift | ≤±2% FS per week | |
| Power Supply |
AC specification: AC 100–240 V ±10%, 50/60 Hz, 50 VA DC specification: DC 24 V ±10%, 50 W |
|
| Contact Input | Range switching (voltage-free contact) | |
| Contact Output |
Open collector output, DC 25 V max. 50 mA Number of contacts: 4 outputs Selectable functions: Analyzer fault / Range echo-back 1 / Range echo-back 2 / Range echo-back 3 / Ready / High concentration alarm / Low concentration alarm |
|
| Range Switching | Local range switching / Remote range switching / Auto range switching | |
| Output Hold Function |
Output hold value setting: No hold* / User-defined value / Value 5 seconds before fault occurrence *Output held during warm-up and analyzer fault |
|
| High/Low Concentration Alarm |
High alarm: Configurable from 0.0–9,990.0 ppm or 0.0–100.0% Low alarm: Configurable from 0.0–9,990.0 ppm or 0.0–100.0% |
|
| RS-232C Communication Function |
Transmits measurement status, error code, measurement range, and measured value Communication cable specification: D-sub 9-pin, straight cable |
|
Resources
Instruction Manuals
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DTF-201 Receiver
Product Inquiries
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