Hazardous Area Displays and Controllers |
Precision Digital products can be located in a wide variety of hazardous areas. We provide products that are intrinsically safe, non-incendive, explosion-proof or can be housed in explosion-proof enclosures.
|
Loop-Powered Meters |
| Panel Mount |
Model |
# of Digits |
Digit Height |
Voltage Drop |
Input 4-20 mA |
Display Features |
Approvals |
Temperature Range |
 |
PD688 |
5 |
0.6" |
2.7 V (5.7 V with backlight) |
Linear, Square root, & Programmable exponent |
Backlight Engineering units Bargraph Engineering notation Trend arrows |
FM & CSA |
-40 to 65°C |
 |
F090 |
5½ |
1.0" |
2.6 V |
Linear & Square root |
Backlight Engineering units Piegraph Engineering notation Trend arrows |
ATEX |
-40 to 80°C |
|
| NEMA 4X |
Model |
# of Digits |
Digit Height |
Voltage Drop |
Input 4-20 mA |
Display Features |
Approvals |
Temperature Range |
 |
PD686 |
3½ |
1.0" |
1.0 V |
Linear |
|
FM & CSA |
-40 to 85°C |
 |
PD675 |
4½ |
0.7" |
5.2 V |
Linear |
|
FM & CSA |
-20 to 65°C |
 |
F090 |
5½ |
1.0" |
2.6 V |
Linear & Square root |
Backlight Engineering units Piegraph Engineering notation Trend arrows |
ATEX |
-40 to 80°C |
|
| Explosion-Proof |
Model |
# of Digits |
Digit Height |
Voltage Drop |
Input 4-20 mA
|
Display Features
|
Approvals
|
Temperature Range
|
|
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PD661
|
3½
|
0.5"
|
1.5 V 3.5 V w/ backlight
|
Linear
|
Backlight option
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FM & CSA
|
-40 to 80°C
|
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PD687
|
3½
|
1.0"
|
1.0 V
|
Linear
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FM
& CSA
|
-40
to 80°C
|
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PD677
|
4½
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0.7"
|
5.2 V
|
Linear
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FM & CSA
|
-20 to 65°C
|
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F090
with PDA2448
|
5½
|
1.0"
|
2.6 V
|
Linear & Square root
|
Backlight Engineering units Piegraph Engineering notation Trend arrows
|
ATEX
|
-40 to 80°C
|
|
Meters
in Explosion-Proof Enclosures
|
Precision Digital can supply explosion-proof enclosures
that can house one or two Precision Digital meters or one
Fluidwell instrument.
|
 Model PDA2448
|
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| Explosion-Proof
Control Stations
|

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- One, Two, Three Buttons
- UL and C-UL classified
- Class I Groups C & D
- Class II Groups E, F, G
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| PD656
Explosion-Proof Meter
|
- 4-20 mA, 1-5 V, 0-10 V inputs
- 0.8" (20.3 mm) red LED display
- Transmitter power supply
- 4 relays & 4-20 mA output options
|
|
| Hazardous
Area Flow Rate/Totalizers
|
| Model
|
PD689
|
PD698
|
PD656
|
|
|

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| Description
|
Rate/Totalizer
|
Rate/Totalizer
|
Rate/Totalizer
|
| Case
|
Panel mount
|
Explosion-proof
|
Explosion-proof
|
| Panel Cutout
|
1/8 DIN
|
N/A
|
N/A
|
| Material
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Plastic
|
Aluminum
|
Aluminum
|
| Display Type
|
LCD
|
LCD
|
LED
|
| Display Format
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Alternating
|
Alternating
|
Alternating
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# of Digits: rate
|
5
|
4½ with extra zero
|
4½ with extra zero
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| # of Digits: total
|
5
|
6
|
6
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| # of Digits: Acc total
|
N/A
|
N/A
|
N/A
|
| Digit Height
|
0.5"
|
0.5"
|
0.8"
|
| Eng Units Display
|
Yes
|
No
|
No
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| Backlight
|
Standard
|
Yes
|
N/A
|
| Bargraph
|
Standard
|
N/A
|
N/A
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| Input(s)
|
4-20 mA
|
4-20 mA
|
4-20 mA 0-10 V
|
| Linearization
|
Square root & programmable root
|
Square root
|
2 to 11 points
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| Voltage Drop
|
2.0 V w/o backlight 5.7 V with backlight
|
5.6 VDC w/o Backlight 7.0 VDC w/ Backlight
|
N/A
|
| Alarms
|
high or low rate alarm
|
N/A
|
4
|
| Relays
|
N/A
|
N/A
|
2 or 4 Form C
|
| Analog Output
|
N/A
|
N/A
|
Yes
|
| Pulse Output
|
250 pulses/sec max
|
Isolated open collector
|
None
|
| Power
|
Loop-powered
|
Loop-powered
|
AC or DC
|
| Temperature Range
|
-40 to 65°C
|
0 to 65°C
|
-20 to 65°C
|
| Approvals
|
FM & CSA
|
FM & CSA
|
Enclosure only
|
|
Hazardous
Area Fluidwell Flow Rate/Totalizers
|

|
 F011 with backlight on
|
 F012, F014, F110, F016, F112
|
 F111 with backlight off
|
 F013 & F113 in alarm condition
|
| Hazardous
Area Flow Rate/Totalizers
|
Linearization
|
High/Low
Alarms
|
|
|
F010
|
F011
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F012
|
F014
|
F110
|
F111
|
F115
|
F016
|
F112
|
F118
|
F013
|
F113
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| Pulse, NAMUR, coil input
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| 0-20 mA, 4-20
mA input
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| 0-10 V input
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| Actual flow
rate
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| Actual total (resettable)
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| Accumulated
total (non-resettable)
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| Multi-point linearization
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| Analog output
(flow rate)
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| Pulse output assigned to total
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| High & low alarms
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| Flow direction detection
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| Dual input
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| External reset total
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| RS-232, RS-485, TTL
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| Intrinsically safe or exp-proof
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| Backlight
|
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Explosion-Proof Enclosures For Fluidwell Flow Rate/Totalizers
Click here for other Flow Rate/Total
applications
Click Here to launch the
Fluidwell Configurator
|
Hazardous
Area Flow Computers
|

|
 F126-EL with backlight on
|
 F126-EG with backlight off
|
 F114 with ratio in alarm condition
|
 F116 & F127-EL with sum/differential
|
| Hazardous
Area Flow Computers
|
Ratio
|
Differential/sum
|
|
|
F126-EL
|
F126-EG
|
F114
|
F116
|
F127-EL
|
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| Pulse, NAMUR, coil input
|
|
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| 0-20 mA, 4-20 mA input
|
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| 0-10 V input
|
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| Actual flow rate
|
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| Actual total (resettable)
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| Accumulated total (non-resettable)
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| Actual temperature
|
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| Actual pressure
|
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| Analog output (flow rate)
|
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| Pulse output assigned to total
|
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| High & low alarms
|
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| Temperature compensation
|
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| Pressure compensation
|
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| Dual input
|
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| Fuel compensation calculation
|
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| Sum calculation (add on)
|
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| Ratio calculation
|
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| RS-232, RS-485, TTL
|
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| Intrinsically safe or exp-proof
|
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| Backlight
|
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|
Explosion-proof enclosures
For Fluidwell Flow Computers
Click here for other Flow applications
Click Here to launch the
Fluidwell Configurator
|
Hazardous
Area Batch Controllers
|

|
 F030, F130, & F136 with batch paused & backlight off
|
 F131 & F133 with backlight on
|
| Hazardous
Area Batch Controllers/Dispensers
|
|
|
F030
|
F130
|
F131
|
F133
|
F136
|
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| Pulse, NAMUR, coil input
|
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| 0-20 mA, 4-20
mA input
|
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| 0-10 V input
|
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| Actual flow
rate
|
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| Actual total (resettable)
|
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| Accumulated
Total (non-resettable)
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| Batch controller
|
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| Preset and
actual value
|
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| Analog output assigned to rate
|
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| Pulse output
assigned to batch process
|
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| Pulse output assigned to total
|
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| 1 stage control
output
|
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| 2 stage control output
|
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| Ticket printing
|
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| Overrun correction
|
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| External start/stop
|
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| RS-232, RS-485, TTL
|
|
|
|
|
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| Intrinsically
safe or exp-proof
|
|
|
|
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| Backlight
|
|
|
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|
Explosion-Proof Enclosures
For Fluidwell Batch Controllers
Click here for other Batch Control applications
Click Here to launch the
Fluidwell Configurator
|
Explosion-proof Level measurement
|
|
|
Precision Digital's model PD656
Explosion-proof meter is powering the level transmitter and
displaying its output on an easy to ready 0.8" high LED
display. The PD656 can be equipped with up to four relays that
feature 0-100% deadband and pump alternation capability.
Click here for other Level Display
and Control applications
|
| Hazardous
Area Pressure Indicators
|
|
 F053 with backlight off
|
 F151 with backlight on
|
| Hazardous
Area Pressure Indicators
|
High/low
alarms
|
|
|
F050
|
F151
|
F053
|
F153
|
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| 0-20 mA, 4-20 mA input
|
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| 0-10 V input
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| Actual pressure & engineering
units
|
|
|
|
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| Analog Output
|
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| High & low alarms
|
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|
|
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| Dual inputs
|
|
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| RS-232, RS-485, TTL
|
|
|
|
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| Intrinsically
safe or exp-proof
|
|
|
|
|
| Backlight
|
|
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|
|
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Explosion-Proof Enclosures For Fluidwell
Pressure Indicators
Click Here to launch the
Fluidwell Configurator
|
| Hazardous Area Digital
Pressure Gauges
|
|
|
|
|
| Model
|
PD213,
PD214, PD224
|
PD233,
PD243, PD253
|
| Type
|
Industrial
|
Precision Test
|
| Accuracy
|
0.25% FS
|
0.05%, 0.10%,
or 0.25% FS
|
| Case Size
|
3", 4½"
|
3"
|
| Case
Material
|
(3")
300 Series stainless steel (4½") Fiberglass reinforced thermoplastic or black painted aluminum
|
300 Series
stainless steel;Electropolished
|
| Wetted Materials
|
17-4 PH stainless steel sensor; 316 stainless steel socket
|
316 stainless steel
|
| Socket
Size
|
¼"
NPT, (½" NPT: 4½" case only)
|
¼"
NPT
|
| Connection
|
Lower (6 oclock)
|
| Ranges
|
Vac. to
20,000 psi & compound (see other engineering units below)
|
Vac. to
7,000 psi & compound (see other engineering units below)
|
| Power Options
|
(3") Two AA alkaline
batteries (4½") Two C alkaline batteries Loop-powered or 12-36 VDC
|
Three AAA alkaline batteries
|
| Battery
Life
|
(3")
>1,000 hrs, (4½") >3,600 hrs
|
>1,000
hrs
|
| On/Off
|
Manual on/off Auto off: never, 5, 10, 20 min
|
| Display
|
5 digit
LCD
|
5 digit
LCD
|
| Digit Height
|
(3") 0.60", (4½")
0.88"
|
0.66"
|
| Backlight
|
Option Auto off: 10 sec, 30 sec, 1 min, 5 min
|
Standard Auto off: 10 sec, 30 sec, 1 min, 5 min
|
| Engineering Units
|
psi, mmHg, inHg, inH2O (temperature options: 4°C, 20°C, 60°F), mBar, ftH2O, MPa, kPa, kg/cm2, Bar
|
psi, inHg, inH2O, ftSW, Bar, mBar, kPa, MPa, mmHg, cmH2O, mmH2O, kg/cm2
|
Field Calibration
|
Zero &
span Zero, mid-point & span Password protected
|
Zero &
span Password protected
|
Programming Method
|
Front panel
|
| Max/Min
Display
|
Max &
Min
|
| Zero/Clear
|
Zeros display or clears max/min
|
| Relays
|
2 Form C
(-2 power only)
|
N/A
|
| Relay Operation
|
High or low alarm
|
N/A
|
| 4-20
mA Output
|
Optional
(-2 power only)
|
N/A
|
| Operating Temperature
|
-10 to 60°C
|
-18 to 65°C
|
| Approvals
|
CE, EN 50082-1
(1997) FM & CSA (option)
|
CE, EN 50082-1
(1997) FM & CSA
|
|
More Information
|
Click
Here
|
Click
Here
|
|
Loop-Powered
Meters For Pressure Transmitters and Transducers
|
|
|
Click here for other Pressure Display and Control applications
|
Hazardous
Area Temperature Indicators
|
 | |