Azbil HPQ-T Series Specs

Azbil HPQ-T Series Specs
Pipe-Mounted Liquid-Level Sensors with Self-Contained Amplifier
HPQ-T
Liquid is easily detected
using a pipe-mounted sensor.
Series
Stable detection
Operation panel is located on the side.
Suitable for various pipe diameters
One model can detect both
upper limit and lower limit.
Stable detection
Operation panel is
located on the side.
Refractive detection ensures sufficient
gain between light-ON and dark ON
light levels. This sensor is also suitable
for liquids with poor light transmission
(such as resist liquid and waste fluid).
Indicator and operation selector switch
are located on the side. Even when
sensors are gang-mounted, adjustment
while checking the indicator is easy.
Suitable for various
pipe diameters
Made for pipe diameters from
8 to 13mm (1mm thick).
Mount with a cable tie or M3 screw.
LO
selectable
DO
Principle
No liquid (light received)
Light
receiver
Light
emitter
One model can detect both
upper limit and lower limit.
Liquid present (dark)
Light
receiver
Light
emitter
Note: For pipe diameters of less than 8mm contact Yamatake Corporation,
as adjustable sensitivity sensors are also available.
1
CATALOG LISTING
Detection method
Pipe diameter
Pipe-mounted liquid-level detection
8 to 13mm
1/8" or 1/4"
8 to 13mm
1/8" or 1/4"
Output mode
Catalog listing
HPQ-T1
HPQ-T1-004
HPQ-T2
HPQ-T2-005
Open collector NPN transistor
Open collector PNP transistor
Note: Cord is 2m long.
SPECIFICATIONS
Catalog listing
Power supply voltage
Current consumption
Applicable pipe types
Applicable medium
Repetitive detection positional accuracy
HPQ-T1, HPQ-T1-004
HPQ-T2, HPQ-T2-005
10 to 28Vdc (ripple voltage 10% max.)
25mA max.
PFA transparent pipe, 1mm thick
Transparent or opaque liquids
1mm max.
Light ON (L-ON) or dark ON (D-ON), selectable by switch
Liquid detection: dark. Liquid non-detection: light
NPN transistor output, open collector
PNP transistor output, open collector
100mA max. (resistive load)
30V
1V max. (at 100mA switching current)
2ms max. (for operation and release)
Red LED (peak emission wavelength 950nm)
Operation indicator: red (lit when output ON)
1,000 lux max. (incandescent lamp)
–10 to +55˚C
35 to 85% (no condensation allowed)
IP50 (IEC 529)
Built-in reverse connection protection circuit, malfunction
prevention circuit at power ON (approx. 20ms), output
short-circuit protection
Operation mode
Output mode
Control output
Switching current
Output dielectric strength
Voltage drop
Response time
Light emitter
Indicator
Ambient light immunity
Operating temperature range
Operating humidity range
Sealing
Circuit protection
Note: Cord is 2m long.
*In some cases operation may not be reliable due to type of pipe, degree of liquid transparency, or liquid refractive properties. Be sure to confirm operation before actual use.
When using pipes other than those of recommended materials and thicknesses, be sure to test in advance that operation is satisfactory, or contact Yamatake Corporation.
EXTERNAL DIMENSIONS
(unit: mm)
Optical axis
28
16
7.4
3
3.2
26
4.2
13
10.8
3.6
5.7
1
Dia. 3
L-ON / D-ON switch
Operation indicator
CAD File No.
HP-0034
OUTPUT CIRCUIT DIAGRAM
HPQ-T1(NPN type)
HPX-T2 (PNP type)
Operation
indicator
Brown
Output
Black
Load
100mA max.
Brown
Main
circuit
Main
circuit
Operation
indicator
10 to 28Vdc
100mA max.
Output
Blue
Black
Blue
2
Load
10 to 28Vdc
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