DMS-20PC-1-FM データシートの表示（PDF） - DATEL Data Acquisition products
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DMS-20PC-1-FM Datasheet PDF : 1 Pages
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®
®
DMS-20PC-FM
Actual Size
Order online at www.datel.com
Self-Powered, 3-Digit, LED
AC Line Frequency Monitors
Features
• Self-powered, no external supplies required
• 3 models: 47.0-99.0Hz (85-140Vac)
47.0-99.0Hz (170-264Vac)
350-450Hz (85-140Vac)
• Screw terminals simplify panel mounting
• Ideal for emergency power equipment
• Small 1.38" x 0.88" x 1.0" packages
• Epoxy encapsulated for harsh environments
• Large (0.40"/10.2mm) red LED displays
Functional Specifications
Input
Freq. Range (Voltage Range): ➀
DMS-20PC-1-FM
DMS-20PC-2-FM
DMS-20PC-3-FM
Current Consumption
Overvoltage Protection:
DMS-20PC-1/2-FM
DMS-20PC-3-FM
47.0-99.0Hz (85-140Vac)
350-450Hz (85-140Vac)
47.0-99.0Hz (170-264Vac)
50mArms (max.)
200Vrms (max.)
300Vrms (max.)
Performance
Sampling Rate
Accuracy (–25 to +60°C):
DMS-20PC-1/3-FM
DMS-20PC-2-FM
4 readings/second
±0.1Hz
±1.0Hz
Mechanical
Dimensions
Display Type
Weight
Case Material
1.38" x 0.88" x 1.00"
3 digit, red LED, 0.4"/10.2mm
1 ounce (28 grams)
Polycarbonate
Environmental
Operating Temperature
Storage Temperature
Humidity (Non-condensing)
–25 to +60°C
– 40 to +75°C
0 to 95%
➀ Operation and accuracy at inputs above or below these
ranges are not specified.
Ordering Information
DMS-20PC-1-FM
DMS-20PC-1-FM-F
DMS-20PC-2-FM
DMS-20PC-3-FM
DMS-20-CP
DMS-BZL3
DMS-BZL4
47.0-99.0Hz/120Vac frequency monitor
"-1" models with blade terminals
350-450Hz/120Vac frequency monitor
47.0-99.0Hz/220Vac frequency monitor
Panel cutout punch
Panel mount bezel
Panel mount bezel with sealing gasket
Brass screws (6-32 thread) and a panel-mount retaining clip are
supplied with each meter
DATEL's new DMS-20PC-FM Series are the world’s smallest, self-pow-
ered, ac frequency meters. Simply connect the ac line to the two rear input
terminals, and the unit is fully operational with no additional components or
auxiliary power required! Two, 50/60Hz models operate over input voltage
ranges of 85-140Vac or 170-264Vac. A third, 400Hz model operates over an
input voltage range of 85-140Vac. Despite their small size (1.38" x 0.88" x
1.0"), DMS-20PC-FM meters feature large 0.40"/10.2mm red LED's that can
be easily read from 15 feet away.
An ultra-stable, quartz-crystal-con-
trolled, embedded microcomputer pro-
vides accuracies of ±0.1Hz (50/60Hz
DMS-20PC-1-FM-F
(With blade terminals)
models) or ±1.0Hz (400Hz model) over
the entire operating temperature range
of –25 to +60°C. Epoxy encapsulated
plastic packages provide excellent
protection against the harsh environ-
DMS-20PC-1-FM
(Panel mount)
ments normally encountered by emer-
gency backup power generators. DMS-
20PC-FM meters are the exact same
size as DATEL's popular AC Line Voltage
Monitors (models DMS-20PC-X-LM).
Mechanical Specifications
Dimensions in inches (millimeters)
Tolerances: 2 PL Dec ±0.02 (±0.51)
3 PL Dec ±0.010 (±0.254)
Recommended panel cutout dimensions:
1.336 (33.93)W × 0.838 (21.29)H
Internal corner radii 0.032 (0.81) Max.
#6-32
UNC THD
0.04
(1.016)
0.04
(1.016)
1.30
(33.0)
1.38
(35.1)
0.44
(11.2)
0.80
(20.3)
0.88 0.44
(20.4) (10.2)
0.75
(19.1)
0.32
(8.1)
1.00
(25.4)
#2-56 INSERT
0.156 (3.96 DEEP
0.44
(10.2)
1.07
(27.2)
0.44
(10.2)
0.10
(2.5)
1.63 (41.1)
1.83 (46.5)
0.10
(2.5)
E156931
DS-0387D 02/01
DATEL, Inc., Mansfield, MA 02048 (USA) • Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 • Email: sales@datel.com • Internet: www.datel.com
DATEL makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein
do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. The DATEL logo is a registered DATEL, Inc. trademark.
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