Kaidi KD-801 Intelligent Radar Level Meter
Application :
6GHz radar level gauge is suitable for liquid, paste, granule and block material level and non-contact measurement, suitable for changes in temperature, pressure big; there is an inert gas and volatile.
The measurement method of microwave pulse, can work normally in the industrial frequency band range. The beam energy is low, can be installed on all kinds of metal, non-metallic container or pipe, no harm to human body and environment
| Suitable for Medium: | Liquid, slightly corrosive liquid |
| Explosion-proof Grade: | Exia IIC T6 Ga/ Exd IIC T6 Gb |
| Measuring Range: | 20m |
| Aerials: | The Rod Antenna ( PP /PTFE ) |
| Frequency: | 6 GHz |
| Temperature: | (-40 ~ 130) ℃ |
| Measurement Precision: | ±10mm |
| Process Pressure: | (-0.1 ~ 0.3) Mpa |
| The signal Output: | (4 ~ 20) mA/HART |
| The Scene Display: | Four LCD /Can be programmed |
| Power Source: | Two-wire (DC24V) 、Four-wire (DC24V/AC220V) |
| Repeatability: | ± 1mm |
| Outer Covering : | Aluminum /Plastic / Stainless steel |
| Connection: | Flange (optional) / Thread |
1. Dimensions of Instruments
2. The Electrical Connection
l The power supply voltage:
| (4~20)mA/HART (Two wire system) | The power supply and the output current signal sharing a two core shield cable. The supply voltage range see technical data. For intrinsically safe type must be a safety barrier between the power supply and the instrument. |
| (4~20)mA/HART(Four wire system) | Separate power supply and the current signal, respectively using a two-core shielded cable. The supply voltage range see technical data. |
| RS485 / Modbus | Power supply and Modbus signal line are separated, respectively using a two-core shielded cable, the power supply voltage range see technical data. |
l Explosion Proof Connection
The intrinsic safety version sensors (Exia IIc T6) use Alu-die casting housing and filling Silicone rubber sealants internal structure aimed to prevent sparks resulted from circuit failure from leaking out. It is applicable for the continuous level measurement of flammable medium under Exia IIc T6.
A safety barrier FBS-2 must be used together with the intrinsic safety instrument. It is an associated device to this product for the power supply of this product. The main specification is intrinsic safety: Exia IIC, voltage of power supply: 24V DC±5%, short-circuit current: 135mA, operating current: 4...20mA.
All cables must be shielded. The max length is 500m for the cable from the barrier to the sensor. Stray capacitor≤0.1μF/Km, stray inductance 1mH/Km. Instrument must be connected to the ground potential. Any unapproved associated device is not allowed to be used.
3. Protection Grade :
This instrument meets the protection class IP66/67 requirements, please ensure the waterproof cable sealing head. The following diagram:
How to install to meet the requirements of IP67:
Please make sure that the sealing head is not damaged.
Please make sure that the cable is not damaged.
Please make sure that the cable for use with electrical connection specification.
Cable into the electrical interface before its curved downward, ensure that the water will not flow into the shell, see the①
Tighten the cable seal head, see the②
Please electrical interface will not use blind plug tight, see the③
4. Technival Parameters:
| 1) General data | |
| The outer shell / Materials | |
| Antenna | PTFE, PP |
| Outer Covering | Aluminum, Plastic, Anti-static PP, Stainless steel 316 |
| The seal housing and the housing | Silicone Rubber |
| Shell window | Polycarbonate |
| Ground terminal | Stainless steel |
| Process connection | |
| 801 | G1½″A Thread & 1½″NPT Thread / Flange (optional) |
| 802 | With PTFE plate flange |
| Supply voltage | |
| Two-wire | |
| Standard | (16～26)V DC |
| Intrinsically Safe | (21.6～26.4)V DC |
| Power Consumption | Max.22.5mA |
| Allowable ripple | |
| <100HzH47 | Uss < lV |
| - (100～100K)Hz | Uss < l0mV |
| Flameproof | |
| (22.8 ~ 26.4) V DC 2-wire system | |
| (198 ~242)V AC 4-wire system / 110V AC 4-wire system | |
| Power Consumption Max. 1VA，1W | |
| 2) Cable parameters | |
| Cable entry / plug | 1 M20xl.5 cable entry (cable diameter 5 ~ 9mm) |
| 1 blind blocking M20xl.5 | |
| Spring terminals | For wire cross-section 2.5mm² |
| 3) Output parameters | |
| The output signal | (4～20)mA / HART |
| Resolution | 1.6μA |
| Fault signal | Current output unchanged；20.5mA；22mA；3.9mA |
| Two-wire load resistor | See below |
| Four-wire resistive load | The maximum 500Ω |
| Integration time | (0 ~ 36) s, adjustable |
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