Japan, Tokyo Keiso
Tokyo Keiso TH Series Thermal Flowmeter
Made in Japan
Manufacturer: Tokyo Keiso
Model: TH Series
TH is a series of Gas flowmeter based on thermal transfer theory originally developed by Tokyo Keiso. Various types of gases are measured with high accuracy. TH consists of ; Detector which is installed on process piping and Convertor which is connected to detector for signal processing. Various types are available to meet the requirements.
Features
- Wide range ability
- Low pressure drop
- Mass flow measurement free from pressure change
- No moving parts
Applications
- Semiconductor production facility Gas lines E Air conditioning gas lines
- Gas supply lines
- Oxygen supply for medical facilities
- Garbage burning outlet gas lines
- General industrial gas lines
Specifications
General purpose Insertion type
| Model | TH-1100 | TH-1400 | TH-1100-SP/ TH-3200-SP |
|---|---|---|---|
| View |  |
 |
 |
| Feature/type | Insertion type | Insertion type (Variable) | Insertion type (Purging function) |
| Process connection |
Nozzle flange (Std.32AJIS10K) |
Nozzle flange (Std. 40AJIS10K) |
Process flange (Std.65AJIS10K) |
| Line size | 50A – 350A Option400A – 1500A |
50A – 350A Option400A – 1500A |
150A – 1500A Insertion type |
| Max.Op. temp. segmentation |
80°C, 180°C, 240°C | 80°C, 180°C | 80°C, 240°C/550°C |
| Max.Op.Press. | 1.0MPa | TH-1100-SP: 1.0MPa TH-3200-SP: 0.1MPa |
|
| Flow range | Max.: Air 0 – 681490m³h(nor) Min.: Air 0 – 45m³/h(nor) |
|
|
| Sensor material |
|
||
General purpose Flange type
| Model | TH-1200 | TH-1700 | TH-1800 |
|---|---|---|---|
| View |  |
 |
 |
| Feature/type | Inline type Flange connection |
Small-Medium size, Inline type Flange connection |
Small-Medium size, Inline type Straightener (built-in) |
| Proces connection |
Process flange connection (Std.JIS10K) |
Process flange connection (Std.JIS10K) or Rc thread |
|
| Line size | 50A – 150A | 15A – 50A | |
| Max.Op. temp. segmentation |
80°C, 180°C | ||
| Max.Op. Press. |
1.0MPa | ||
| Flow range |
With straightener
|
|
|
| Sensor material |
Body: SCS14, SCS16 Sensor: SUS316 Seal: FPM, Others Construction |
||
High temperature
| Model | TH-3200 |
|---|---|
| View |  |
| Feature/type | Insersion type, High temp./Low Press. |
| Line size | 65A to 1500A |
| Fluid. temp. segmentation |
0 to 550°C |
| Fluid. Press. | Max.0.1MPa |
| Flow range | Max.: Air 0 to 3889005m³/h(nor) Min.: Air 0 to 60m³/h(nor) |
| Sesnor material | Detector: SUS304, SUS316, SUS316L Sensor: SUS316 |
Convertors
| Model | TRX-600 | TRX-700 | TRX-900 |
|---|---|---|---|
| View |  |
 |
 |
| Combination sensors |
TH-1100 TH-1200 TH-1400 TH-1700 TH-1800 TH-3200 TH-1100-SP TH-3200-SP |
TH-1100 TH-1200 TH-1400 TH-1700 TH-1800 |
|
| Feature/Type | General Purpose Field mount |
Intelligent type Panel mount |
Intelligent type Field mount |
| Housing construction |
IP65 equivalent | IP20 equivalent | IP54 equivalent |
| Indication | Upper side: Flow rate 6-digit LED Lower side: Integration 4-digit LED |
Upper side: Flow rate 5-digit LED Lower side: Integration 7-digit LED |
|
| Output | Analog: DC4 to 20mA Pulse: Open collector Digital: RS-485 |
||
| Function | Temperature correction (Input signal) |
Temperature and pressure correction (Input signal) |
|
| Power supply | AC100, 110, 115V ±10% AC200, 220, 240V ±10% |
AC90～264V 50/60Hz | |
| Accuracy | 2.0% F.S.±1digit | 1.0% F.S.±1digit | |
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