PY821 intelligent pressure controller uses digital control technology, intelligent interaction technology, rapid output of high precision and high stability of pressure, meet the industrial field and laboratory calibration or test pressure gauge, common and intelligent pressure transmitter, pressure switch requirements. It fully conforms to the metrological verification regulation of JJG1107-2015 automatic standard pressure generator.
Product features:
■ Automatic pressure range up to 10MPa;
■ Can measure voltage, millivolt, current, switch (on and off) and other electrical signals;
■ Built-in voltage (V/mV), current and on-off measurement function and DC24V power supply;
■ Built-in standard barometer, realize the switch between gauge pressure and absolute pressure;
■ Support step output mode;
■ Built-in DC24V power supply, verification transmitter without external power supply;
■ Built-in HART communication, can be calibrated HART instrument;
■ Built-in standard pressure module, optional external pressure module;
■ High resolution 8 inch touch screen, Chinese and English display, good human-computer interaction interface;
Technical parameters
Display: 7-inch TFT touch screen
Interaction: Support color screen touch and keyboard operation
Power supply: DC24V adapter
Pressure connection: M20*1.5 quick connection internal thread specifications, different versions
Electrical connection: ø 4 banana jack
Communication: USB, WIFI and Bluetooth
Storage: 8G
Task management: Can manage more than 1000 tasks
Unit of pressure: 21 common units
Operating system: WINCE
Size: 420 * 275 * 240 mm
Weight: 12 kg
Use environment:
Ambient temperature: (-20~70)℃
Temperature compensation: (0~50)℃
Relative humidity: <95%
Atmospheric pressure: (86~106)kPa
Storage temperature: (-40~85) ° C
Pressure indicators:
version | Micro pressure | Air pressure | Air pressure | High precision version |
Pressure occurs in the inverse range¹ | (-10~10)kPa | (-95~250)kPa | (-0.1~7)MPa | (-0.1~7)MPa |
Pressure control module I | 0.02级 | 0.02级 | 0.02级 | Depends on the accuracy of the external module |
Pressure control module II | Choose one or more, see KZMD pressure module selection for specifications and optional range |
Pressure type | Differential pressure, gauge pressure | Differential pressure, gauge pressure | Differential pressure, gauge pressure | Differential pressure, gauge pressure |
Atmospheric pressure module accuracy | N/A | ±55Pa | ±55Pa | ±55Pa |
Control stability² | ≤0.003%F.S或0.5Pa | ≤0.003%F.S | ≤0.003%F.S | ≤0.003%F.S |
Target pressure stability The duration of the | >5Min | >5Min | >5Min | >5Min |
Control response time³ | <30 S | <30 S | <40 S | <40 S |
External pressure measuring module | See KZMD pressure module selection for details |
[1] when the ambient atmospheric pressure is 100kPa.A;
[2] The control stability is based on the range of pressure control module;
[3] When no load volume is applied and 15% step of the range is completed.
Electrical measurement index (ambient temperature 20℃±5℃, 1 year accuracy) :
project | Range | Resolution | Indicators |
measurement | mV measurement | (-300~300)mV | 1uV | ±（0.008%RD+6uV） |
V measurement | (-5~5)V | 10uV | ±（0.008%RD+100uV） |
(-10~10)V | 100uV | ±（0.008%RD+320uV） |
(-30~30)V | 100uV | ±（0.008%RD+600uV） |
mA measurement | -25~25.0000 mA | 0.1uA | ±（0.008%RD+1uA） |
Switch to measure | Mechanical switch, electrified mechanical switch, NPN switch, PNP switch | N/A | Voltage range if switch is live(1~12)V |
Output | Output current | 0~25.0000 mA | 0.05uA | ±（0.008%RD+0.1uA） |
Output voltage | (-100~100)mV | 0.01mV | ±（0.008%RD+1uV） |
| (0~10)V | 250uV | ±（0.008%RD+200uA） |
Power output | DC24V±0.5V | 0.1V | Maximum load current 50mA, overload protection current 120mA，±0.1%RD |
总线通信 | 支持HART总线通信 |
KZDM pressure module selection table:
Ordering code | Pressure range |
Accuracy
| Medium | PY821W
| PY821-250K
| PY821-7M
| PY821-7IM
|
KZ2.5K | ±2.5kPa | 0.02 | gas | ▲ |
|
|
|
KZ 10K | ±10 kPa | 0.02 | gas | ▲ |
|
|
|
KZ 16K | ±16 kPa | 0.02 | gas |
| ▲ |
|
|
KZ 25K | ±25 kPa | 0.02 | gas |
| ▲ |
|
|
KZ 40K | ±40 kPa | 0.02 | gas |
| ▲ |
|
|
KZ 60K | ±60 kPa | 0.02 | gas |
| ▲ | ▲ | ▲ |
KZ 100K | (-100~160) kPa | 0.02 | gas |
| ▲ | ▲ | ▲ |
KZ160K | (-100~250) kPa | 0.02 | gas |
| ▲ | ▲ | ▲ |
KZ250K | (-100~400) kPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ400K | (-100~600) kPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ600K | (-0.1~1) MPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ1M | (-0.1~1.6) MPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ2.5M | (-0.1~2.5) MPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ4M | (-0.1~4 )MPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ6M | (-0.1~6) MPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ7M | (-0.1~7) MPa | 0.02 | gas |
|
| ▲ | ▲ |
KZ10M | (-0.1~10) MPa | 0.02 | gas |
|
| ▲ | ▲ |
[1] built-in voltage control module temperature automatic compensation range :(-10~50℃),1 year accuracy;
[2] Absolute pressure 0.05%F.S, guarantee accuracy time is 180 days;
[3] Gas pressure transmission medium shall be non-corrosive gas.
KZDM high precision pressure module selection table:
Ordering code | Pressure range | Accuracy | Medium |
PY821-KZDMI-100K | (-95~100) kPa | 0.01 | gas |
PY821-KZDMI-250K | (-95~250) kPa | 0.01 | gas |
PY821-KZDMI-600K | (-95~600) kPa | 0.01 | gas |
PY821-KZDMI-1M | (-0.1~1) MPa | 0.01 | gas |
PY821-KZDMI-2.5M | (-0.1~2.5) MPa | 0.01 | gas |
PY821-KZDMI-6M | (-0.1~6) MPa | 0.01 | gas |
PY821-KZDMI-7M | (-0.1~7) MPa | 0.01 | gas |
PY821-KZDMI-10M | (-0.1~10) MPa | 0.01 | gas |
[1] built-in voltage control module temperature automatic compensation range :(-15~25℃), one-year accuracy;
Attachment:
The name of the specification |
PY821W |
PY821-250K |
PY821-7M |
PY821-7MI
|
Instrument case (1 piece) | ● | ● | ● | ● |
USB communication cable (1) | ● | ● | ● | ● |
Filter element (2 pieces) | ● | ● | ● | ● |
Even the pipe plug |
| ● | ● | ● |
The filter element | ● | ● | ● | ● |
Air inlet filter (2 pieces) | ● | ● | ● | ● |
Separator piping |
| ● | ● |
|
Adapter M20*1.5 external to M20*1.5 external (1 PCS) |
| ● | ● |
|
Adapter M20*1.5 external transfer G1/4 external (1 PCS) |
| ● | ● |
|
Adapter M20*1.5 outer 1/4NPT outer (1 piece) |
| ● | ● |
|
O-ring (30 pieces) |
| ● | ● |
|
Power adapter (1 set) | ● | ● | ● | ● |
Test line (2 red 2 black) | ● | ● | ● | ● |
Test Report (1 copy) | ● | ● | ● | ● |
Manual (1) | ● | ● | ● | ● |
Certificate of quality (1 piece) | ● | ● | ● | ● |
Consulting
