Laurel Electronics for Digital Panel Meters, Counters, Timers, Transmitters, Digital Displays

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Junior Series Digital Panel Meters
Screwdriver adjusted 3 1/2 digit indicators in a 1/8 DIN case

      Junior Series Low-Cost Digital Panel Meter CE Mark

   Features

  • Low cost indicators - no control outputs.
  • Easy screwdriver adjustments - no programming.
  • 3 1/2 digit display for readout to ±1999.
  • Optional dummy right-hand zero for readout to ±19990.
  • High-brightness red or green LED digits.
  • Compact 1/8 DIN case, only 93 mm required behind panel.
  • 99.9% accuracy of full scale for DC & process.
  • Choice of signal conditioners for process, DC, AC avg, AC rms.
  • 10 or 24 Vdc transducer excitation standard with process version.
  • EM certified (CE Mark).

Description

Junior Series Digital Panel Meters are ideal for general purpose monitoring applications which require an accurate digital display, but no control or data outputs. The standard meters have a 3 1/2 digit LED display for readout to ±1999. A dummy right-hand zero can be specified at the time of order for display to ±19990. The display can be specified as red or green. Digit height is 14.2 mm (0.56").

Very easy to install and set up. Junior Series meters fit in a 1/8 DIN panel cutout and require a depth of only 93 mm (3.66") behind the panel. The signal range and decimal point position are jumper selectable. Zero and span adjustments are via multiturn potentiometers, which are accessible from the front. This allows adjustments to be made while the meter remains panel mounted. To make installation and maintenance easy and trouble-free, all electrical connections are via detachable screw clamp connectors.

Choice of signal conditioners. The Junior Series is available for DC voltage and current, AC avg voltage and current, and process signals. Six process ranges are jumper selectable: 4-20 mA, 0-1 mA, 1-5 V, 0-10 V, 0-20 mA, and 0-5 V. The process meters also include a regulated transducer excitation output of 10 or 24 Vdc (jumper selectable). Reading accuracy is 0.1% of range for the DC and process versions, and 0.25% of range for the AC versions.

Display Only. The Junior Series is for indication only. Please go to the Laureate Series if you require setpoint control, analog output, or data I/O (RS-232/485 or parallel BCD).

Specifications

DC Voltage

DC Voltage Range Resolution Input
Ohms		 Error at 25°C
200.0 mV
2.000 V
20.00 V
200.0 V
500 V		 0.1 mV
1 mV
10 mV
100 mV
1 V		 1 M
1 M
1 M
1 M
10 M		 0.1% of range
±1 count
to 200V input

DC Current

DC Current Range Resolution Input
Ohms		 Error at 25°C
2.000 mA
20.00 mA
200.0 mA
2.000 A
5.00 A		 1 µA
10 µA
100 µA
1 mA
10 mA		 100
10
1
0.1
0.05		 0.1% of range
±1 count
to 2A input

Process Signal

 Signal
jumper selectable		 Resolution Input
Ohms		 Error at 25°C
±1 count
0-1 mA
0-20 mA
4-20 mA
0-5 V
1-5 V
0-10 V		 1 part in 2000 200
13
13
1 M
1 M
1 M		 0.1% of range
±1 count

AC avg Voltage (1% to 100% of full scale)

AC avg Voltage Range Resolution Input
Ohms		 Error at 25°C
200.0 mV
2.000 V
20.00 V
200.0 V
500 V		 0.1 mV
1 mV
10 mV
100 mV
1 V		 1 M
1 M
1 M
1 M
10 M		 0.25% of range
±1 count
40-5000 Hz

AC avg Current (1% to 100% of full scale)

AC avg Current Range Resolution Input
Ohms		 Error at 25°C
2.000 mA
20.00 mA
200.0 mA
2.000 A
5.00 A		 1 µA
10 µA
100 µA
1 mA
10 mA		 100
10
1
0.1
0.05		 0.25% of range
±1 count
40-5000 Hz

For All Signal Types

Display
Readout type
Digit height
LED color
Display range
Decimal point selection
Range & span adjust		 3 1/2 digits, 7-segment LED, plus sign
14.2 mm (0.56")
Red or green
-1999 to +1999 or -19990 to +19990
Via push-on jumpers on front of meter
Via screwdriver adjustments on front of meter
A/D Conversion
Technique
Integration time
Display update rate		 Dual slope integration
100 ms
2.5/sec
Power
Voltage options
Power consumption		 110 Vac, 230 Vac, 24 Vac, 48 Vac, 5 Vdc, 11-30 Vdc
< 4 W
Excitation Output (for process version)
Output (selectable) 10 Vdc at 50 mA, or 24 Vdc at 30 mA, regulated.
Mechanical
Bezel dimensions Panel cutout
Depth behind panel
Weight		 48 x 96 mm (1.89" x 3.78"), H x W.
45 x 92 mm (1.77" x 3.62"), H x W
93 mm (3.66")
250 g (9 oz)
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Protection		 0°C to 50°C (32°F to 122°F)
-20°C to 70°C (-4°F to 158°F)
0-90% RH, non-condensing
NEMA-12 (IP54) when panel mounted

Ordering Guide
 Junior Series Digital Panel Meters

Create a model number in this format: JR2010P, BOX1. This example calls out a Junior Series digital panel meter with red LEDs, 110 Vac power, an extra fixed digit of 0, standard connector, process input with default scaling of 4-20 mA = 0-1000, plus optional wall mounting polycarbonate enclosure sealed to NEMA-4X. Includes plug-in screw terminal connectors.
  
DPM
Type		 JR  Junior Series Panel Meter. $155
Display
Color		 1  Green LEDs.
2  Red LEDs.		 NC
NC
Power 0  110 Vac.
1  230 Vac.
2  24 Vac.
3  48 Vac.
4  5 Vdc.
5  11-30 Vdc.		 NC
NC
$45
$45
$60
$80
Digit
Option		 0  None.
1  Extra zero digit for display to ±19990.		 NC
$45
Connector
Options		 0  None.
1  4-20 mA
2  Variable Brightness Adjustment.		 NC
$15
$40
Signal
Input		 DC Volts
DCV1  ±200.0 mV.
DCV2  ±2.000 V.
DCV3  ±20.00 V.
DCV4  ±200.0 V.
DCV5  ±500 V.		  
NC
DC Amps
DCA1  ±2.000 mA.
DCA2  ±20.00 mA.
DCA3  ±200.0 mA.
DCA4  ±2.000 A.
DCA5  ±5.00 A.		  
NC
AC Volts (Average)
ACV1  200.0 mV.
ACV2  2.000 V.
ACV3  20.00 V.
ACV4  200.0 V.
ACV5  500 V		  
$35
AC Amps (Average)
ACA1  2.0000 mA.
ACA2  20.000 mA.
ACA3  200.00 mA.
ACA4  2.000 A.
ACA5  5.00 A.		  
$35
Process Signals (e.g., 4-20 mA, 0-5 V, etc.)
P    Default Scaling. 4-20 mA = 0-10000.
P1  Custom Scaling.
In the write-in field of your invoice, specify min input, min reading; max input, max reading.		  
$20
$35
Add-on
Options
IPC
BOX1
BOX2		 Clear front panel cover sealed to NEMA 4X / IP65
NEMA-4X wall-mount enclosure with 1/8 DIN cutout
NEMA-4X wall-mount enclosure with 1/8 DIN cutout plus IPC
$40
$140
$180
 
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Laurel Electronics, Inc.
Industrial Instrumentation & Displays
3183-G Airway Avenue
Costa Mesa, CA 92626, USA
Phone: (714) 434-6131
Fax:     (714) 434-3766

  
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