2.5” Digital Pressure Controller Meter
AT-SPD3 series
*FEATURES
‧ Accuracy ± 0.25% F.S.
‧ Auto. Change to red or green display when alarm
statues changes.
‧ Thick film strain gauge on ceramic and stainless
steel (SUS316)
‧ Variable unit selection：bar, Kg/cm²,KPa,MPa,PSI,
mmHg, inHg
‧ Dual alarm function(optional)
‧ 16bit DAC analog output function(optional)
‧ Digital RS-485 interface function(optional)
‧ Protection class NEMA4/IP65
*SPECIFICATIONS
Case：
Size－36 x 63.5mm
Material－Nylon66+PBT+15%GF(UL94V)
Display：
5 digits red/green LED display(-19999~99999 digit)
Height－10.16mm(0.4")
Unit Selection：bar, Kg/cm²,KPa,MPa,PSI,mmHg, inHg
Pressure Range：-1/2；-1/10；-1/50；0/200 bar
Pressure Proof：
Max. permissible over pressure－Max. 2 x rated (<60bar)；Max. 1.5 x rated (>60bar)
Burst pressure－3 x rated (<160bar)；1.8 x rated (>250bar)
Accuracy：±0.25% F.S.
Measured Rate：0.1s~9.9s can be modified
Measured Media：All kinds of media not corrosive for stainless steel 316
Diaphragm：Ceramic A1203-96%
Connection：
Port material－SUS316
Media wetted part－NBR<16bar；PVDF>16bar
1/4"PT/NPT；1/2"NPT male thread, bottom
Power Supply：DC 14V-30V
Transistor Output：Max. DC60V/100Ma
Analog Output Resolution：16 bit DAC
Response Time：<50ms (0~90%)
Output Drive Capability：<10MmA for voltage mode；<10V for current mode
Relay Output：
Mode－HI/LO/GO/HL
Contact output－AC250V-5A, DC30V-7A
RS-485 Output：
Address－"01" ~"FF"(0~255)
Baud rate：19200/9600/4800/2400 selectable
Protocol：Modbus RTU mode
Memory Mode：Non-volatile E2 PROM memory
Temperature：Operation -10~+60℃/14~+140℉ ; Storage -30~+80℃/-22~+185℉
