Dwyer Instruments SERIES APM, SERIES MPM, SERIES PPM Catalog Page
SERIES APM, MPM & PPM
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DUAL LINE CONFIGURABLE PANEL METERS
1/8 DIN Process and Flow / Rate Totalizers
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PROCESS CONTROL
These 1/8 DIN digital panel meters accept signals from various transmitters and
owmeters and displays them on a six-digit, dual line display in engineering units.
These meters will also provide power to the eld device and include a NEMA 4X
front panel. Free, USB based programmnig sofware is resident on the meter. Options
include up to four relays and a 4-20 mA output.
The Series MPM Dual Line Congurable Panel Meter is a general purpose process
meter that is eld selectable for a 4-20 mA or 0-10 V input signal. It provides 24 VDC
to power the transmitter. The dual line display can display the process variable on the
upper line and engineering units on the lower line. Or, in dual scale mode, the process
variable can be displayed in one units (like height) on the upper display and another
(like volume) on the lower display. The meter also has an automatic Round Horizontal
Tank function a well as 32 point linearization.
The Series APM Dual Line Congurable Panel Meter and Series PPM Dual Line
Congurable Panel Meter are ow / rate totalizers for analog or pulse inputs. The
most useful feature of these products is their dual line display which allows rate
and total to be displayed at the same time. A non-resetable grand total can also be
programmed. Total can be reset either from the front panel or by connecting a remote
switch to the F4 terminal at the rear of the meter.
The Series APM accepts either a 4-20 mA or 0-10 V input signal and provides the 24
VDC to power the owmeter. Other features of the APM include square root extraction
for DP ow, and programmable exponents for open channel ow.
The Series PPM accepts a pulse input signal and provides either 5, 10 or 24 VDC to
power the owmeter. Adding the 4-20 mA output option converts the pulse into a signal
that can be run long distances to a PLC or other device.
Indicators
Panel Meters/
FEATURES/BENEFITS
• NEMA 4X / IP65 front panel
• Powers the transmitter / owmeter
• Dual line 6 digit display
• Free USB based programming software
• Display rate and total at the same time
• Two or four relays and isolated 4-20 mA output options
APPLICATIONS
• Level monitoring
• Pump control
• Flow rate indication
• Flow totalization
• Open channel ow monitoring
• Process control
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SPECIFICATIONS
Input: APM and MPM: 0-20 mA, 4-20
mA, 0-5 V, or ±10 V inputs; PPM: Field
selectable: Pulse or square wave 0-5
V, 0-12 V, or 0-24 V @ 30 kHz; TTL;
open collector 4.7 k Ω pull-up to 5 V @
30 kHz; NPN or PNP transistor, switch
contract 4.7 k Ω pull-up to 5 V @ 40 Hz.
Input impedance: 50 to 100 Ω.
Accuracy: ±0.03% of calibrated span
±1 count.
Display: Red LED, Dual-line 6-digit
display, 0.60 in and 0.46 in.
Transmitter / Flowmeter Power: 85-
265 VAC models: 200 mA @ 24 VDC;
12-24 VDC models: 100 mA @ 24 VDC;
Second supply with 4-20 mA output
models: 40 mA @ 24 VDC.
Power Requirements: 85-265 VAC
50/60 Hz, 90-265 VDC, 20 W max or
12-24 VDC ±10%, 15 W max.
FREE USB PROGRAMMING SOFTWARE AND CABLE
The PM Series meters come preloaded with free programming software that connects
and installs directly to your PC with a standard USB cable, also provided free with
each instrument. This eliminates the need to insert CDs, install drivers, or download
software from the internet. The software will allow you to congure, monitor, and
datalog a PM Series meter using your PC. Just simply connect the meter to your PC
with the USB cable and within seconds you will be programming it.
UNIQUE LEVEL MONITORING CAPABILITIES
The MPM meter is particularly well suited for level monitoring, controlling and alarming
applications. For instance, the meter can be programmed to display any two of these
parameters on its dual line display: height, volume or percent full. Its six digit display
allows it to display volumes up to 999,999 gallons, liters, or any other volume. The
meter also has a Round Horizontal Tank function which requires the user to enter only
the height and length of a round horizontal tank and the meter will display in volume.
Up to four relays are available for alarm and control applications, and the relays can
even be programmed to alternate for pump control applications.
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Temperature Limits: Operating: -40
to 149°F (-40 to 65°C); Storage: -40 to
185°F (-40 to 85°C).
Front Panel: NEMA 4X, IP65 front.
Output Signal (option): Isolated 4-20
mA.
Switch Rating (option): 2 or 4 SPDT
(Form C) internal and/or 4 SPST (Form
A) external; rated 3 A @ 30 VDC and
125/250 VAC resistive load; 1/14 HP @
125/250 VAC for inductive loads.
Time Delay: 0 to 999.9 s, on and off
relay time delays; programmable and
independent for each relay.
Shipping Weight: 9.5 oz (269 g).
Agency Approvals: CE, UL.
Programming Software: Free, USB
based. Resident on meter, nothing to
download.
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MODEL CHART
Model Model Model Power Output 1 Output 2
APM-100
APM-101
APM-120
APM-121
APM-140
APM-141
APM-200
APM-201
APM-220
APM-221
APM-240
APM-241
MPM-100
MPM-101
MPM-120
MPM-121
MPM-140
MPM-141
MPM-200
MPM-201
MPM-220
MPM-221
MPM-240
MPM-241
PPM-100
PPM-101
PPM-120
PPM-121
PPM-140
PPM-141
PPM-200
PPM-201
PPM-220
PPM-221
PPM-240
PPM-241
85-265 VAC
85-265 VAC
85-265 VAC
85-265 VAC
85-265 VAC
85-265 VAC
12-24 VDC
12-24 VDC
12-24 VDC
12-24 VDC
12-24 VDC
12-24 VDC
DWYER INSTRUMENTS, INC. 352
None
None
2 relays
2 relays
4 relays
4 relays
None
None
2 relays
2 relays
4 relays
4 relays
None
4-20 mA
None
4-20 mA
None
4-20 mA
None
4-20 mA
None
4-20 mA
None
4-20 mA
ACCESSORIES
Model Description
PMA-01
PMA-03
PMA-04
PMA-05
PMA-06
PMA-07
PMA-08
PMA-09
PMA-10
PMA-11
PMA-12
RS-232 serial adapter
RS-422/485 serial adapter
RS-232 to RS-422/485 isolated converter
RS-232 to RS-422/485 non-isolated converter
USB to RS-232 non-isolated converter
USB to RS-422/485 isolated converter
USB to RS-422/485 non-isolated converter
Snubber
DIN rail mounting kit for two modules
4 relay expansion module
4 digital inputs and 4 digital outputs module
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