- Terminal Board
- Isolated Safety Barriers
- Signal Isolators
- Surge Protective Devices
- Safety Relays
- Isolated Intelligent I/O Modules
- Intelligent Gateways
- Industrial Data Optical Transceivers
- Online Dew Point Analyzers
- Data Acquisition Modules
- HART data converter
PHD-22HT-*1*1
Overview
|
Input signal types and measurement range |
||||
|
Code |
RTD model |
Measurement range |
Minimum range |
Conversion accuracy |
|
1 |
K |
-200~1370℃ |
50℃ |
0.5℃/0.1%S |
|
2 |
S |
-50~1760℃ |
500℃ |
1.5℃/0.1%E |
|
3 |
E |
-140~1000℃ |
50℃ |
0.5℃/0.1%s |
|
4 |
J |
-160~1200℃ |
50℃ |
0.5℃/0.1% |
|
5 |
B |
250~1800℃ |
500℃ |
1.5℃/0.1%R |
|
6 |
T |
200~4000℃ |
50℃ |
0.5℃/0.1% |
|
7 |
R |
-50~17600℃ |
500℃ |
1.5℃/0.1%R |
|
8 |
N |
-200~1300℃ |
50℃ |
0.5℃/0.1% |
Main technical parameters |
|
Number of channels: |
two inputs and two outputs |
Power supply: |
|
Power supply voltage: |
20~35V DC, power consumption of about 2W (24V DC, output 20mA) |
Power protection: |
power reverse protection |
Hazardous side input: |
|
Input Signal: |
K, S, E, J, B, T, R, N thermocouple signals (see "Input Signal Types and Ranges Table") |
Signal range: |
Corresponding to the measurement range of thermocouple -10~100mV. |
Measuring range: |
the user to develop their own configuration when ordering, specified in the end number or other instructions |
Built-in cold end compensation: |
±1℃ (compensation range -20℃~+60℃) |
Safety side output: |
|
Output signal: |
4~20mA |
Allowable Output Load Capacity: |
0～500Ω (Customizable) |
LED indicator: |
Green ⸺Power indicator; yellow light on for low range alarm; red light on for high range alarm. |
Output accuracy: |
See "Input signal type and range table". |
Response time: |
500ms to 90% of final value |
Temperature Drift: |
0.005%F.S/°C |
Temperature parameters: |
operating temperature -20℃~+60℃; storage temperature -40℃~+80℃ |
Air relative humidity: |
10%~95%RH without condensation |
Insulation strength: |
intrinsically safe end and non-intrinsically safe end (≥3000V AC/min); between power supply and non-intrinsically safe (≥1500V AC/min) |
Insulation resistance: |
≥100MΩ (input/output/power supply between) |
Electromagnetic compatibility: |
in line with IEC 61326-1 (GB/T 18268), IEC 61326-3-1 |
Mean time to failure: |
100000 hours |
Wire requirements: |
cross-section ≥ 0.5mm2; insulation strength ≥ 500V |
Applicable field devices: |
Applicable field devices: K, S, E, J, B, T, R, N thermocouple sensor |
Installation site: |
installed in the safe zone, can be connected with the highest in Zone 0, IIC, Zone 20, IIIC hazardous locations of the intrinsically safe instrumentation |
Safety certification |
|
Certification body: |
National Explosion-proof Electrical Product Quality Supervision and Testing Center CQST |
Certification standard: |
GB/T 3836.1-2021, GB/T 3836.4-2021 |
Explosion-proof symbol: |
[Exia Ga]ⅡC, [Exia Da]ⅢC |
Certified parameters (between terminals 1-2): |
Um: 250V AC/DC, Uo=8.4V DC, Io=31mA, |
