Gas detector for use in furnace KD-12HT
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- Model
- KD-12HT
- Target Gas
- N-Methyl-2-Pyrrolidone (NMP)
- Display
- 4-digit seven segment LED display
- Power Supply
- 24 VDC (18 to 30 VDC)
Direct detection of high boiling point solvent in the drying furnace
Features
- Perform reliable detection of concentration in the furnace
- The sensor unit is available in an environment of 160 ℃
- Display function shows gas concentration and alarm status at a glance
- Various adjustments can be operated on site with a single magnet stick
- The display is rotated 90 degrees to the left and right
- Available in two types: Straight type (KD-12HT-T) and L-shaped type (KD-12HT-L)
Specifications
| Model | KD-12HT-T | KD-12HT-L |
| Detection Principle | Catalytic sensor | |
| Target Gas | N-Methyl-2-Pyrrolidone (NMP) | |
| Sampling Method | Diffusion | |
| Detection Range | 0-100%LEL | |
| Alarm Set Value | As per specifications | |
| Alarm Accuracy | ±25% of alarm set value | |
| Alarm Delay | Less than 30 seconds with a gas concentration that is 1.6 times higher than the alarm set concentration |
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| Alarms | ・During gas alarm (single stage only), the red ALARM LED blinks. ·During trouble alarm in the event of sensor disconnection, zero drift, power supply voltage error, internal EEPROM communication error, the amber TROUBLE LED blinks. |
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| Display | 4-digit seven segment LED display | |
| Output | <Gas concentration analog signal > ·4-20 mA DC (common negative with power supply) ·0.9 mA or less in the event of trouble alarm ·Load resistance of the analog signal line, including the resistance of the wire, is not more than 300 ohm <Gas alarm contact (single stage only)> ·Normally open or normally closed dry contact *1 ; normally energized or normally de energized *1 ; automatic resetting ·Max. load: 0.5 A resistive at 250 VAC or 0.5 A resistive at 30 VDC |
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| Explosion-proof | ATEX: II 2 G Ex db IIC T3 Gb IECEx: Ex db IIC T3 Gb |
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| Approvals | EU type examination certificate: CML 21ATEX1411X
UK type examination certificate: CML 22UKEX1374X |
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| Harmonised/Designated Standards | EN IEC 60079-0:2018 EN 60079-1:2014 IEC 60079-0:2017 Edition 7.0 IEC 60079-1:2014 Edition 7.0 |
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| Applicable Cable | Cable outer diameter: 10 mm to 13 mm ・5-wire CCV-S cable (power, analog signal and relay contact) Wire size: 1.25 mm² ·3-wire CCV-S cable (power and analog signal) Wire size: 1.25 mm² or 2 mm² |
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| Operating Temperature/Humidity | Main body: -10 to 50 °C Probe: 0 to 160 °C 10% to 90% RH at 0 to 50 °C No sudden temperature or humidity changes. No condensation |
|
| Power Supply | 24 VDC (18 to 30 VDC) | |
| Power Consumption | 1.5 W during normal operation (Max. 3 W) | |
| Dimensions | W127 x H530 x D68 mm (Excluding protruding parts and including probe) Probe size inside the furnace: Dia.34 x 250 mm Flange size: 25A or 50A |
W127 x H321 x D443 mm (Excluding protruding parts and including probe) Probe size inside the furnace: Dia.34 x 250 mm Flange size: 25A or 50A |
| Weight | Approx. 3.6 kg with 25A flange Approx. 4.2 kg with 50A flange |
Approx. 4.1 kg with 25A flange Approx. 4.9 kg with 50A flange |
| Mounting method | Using a flange | |
-The above specifications are subject to change without notice.
-If your specifications are nonstandard, refer to the delivery specifications.
*1 Specified at the time of order.
Connectable Alarm Units
Approvals
Type Approved by IECEx Explosion-proof certification
