DIGITAL SWITCHBOARD METERS
DIGIT
A
L
SWITCHBOARD METERS
PHONE (614) 889-6152
TECH. ASSISTANCE (614) 876-8308
FAX # (614) 876-8538
6625 McVey Blvd. Columbus, Ohio 43235
WWW.FLEX-CORE.COM
flexcore@msn.com
Div. Morlan & Associates, Inc.
153
AMPS - VOLTS - FREQUENCY
(SINGLE FUNCTION)
MODEL
2491
AC WATTS - AC VARS
(SINGLE FUNCTION)
MODEL
2491
51 .. Watt . 1P2W (1 Element) 11 .... 120Volt/1 Amp
5 .... 50/60Hz
AAA ... No Output
0 .... None
52 .. Watt . 1P3W (2 Element) 15 .... 120Volt/5 Amp
6 .... 400Hz
AFA ... 0 to 1mA
1 .... RS485
53 .. Watt . 3P3W (2 Element) 21 .... 240Volt/1 Amp
8 .... Special Cal.
AFB ... 0 to +1mA
54 .. Watt . 3P4W (2
1/2
Element)25 .... 240Volt/5 Amp
......
AHD .. 4 to 20mA
55 .. Watt . 3P4W (3 Element) 33 .... Special Cal.
......
AHF ... 12+8mA(4-12-20)
61 .. Vars . 1P2W (1 Element)
62 .. Vars . 1P3W (2 Element)
63 .. Vars . 3P3W (2 Element)
64 .. Vars . 3P4W (2
1/2
Element)
65 .. Vars . 3P4W (3 Element)
Notes:
1: Watts/Kilowatts/Megawatts/ and Vars/Kilovars/Megavars legends are user selectable.
2: 120/240V auxiliary power is standard with all 2491 models.
Ordering Example: 249153-15-5-AFA-0 is a 3P3W Wattmeter; 120Volt - 5Amp, 50/60Hz, 0-1mA output
POWER FACTOR/PHASE ANGLE
(SINGLE FUNCTION)
MODEL
2491
Function/Connections
AC Input Rating
Frequency
Analog Output Communication
71 .. PF .... 1P2W (1 Element)
11 ... 120Volt/1 Amp
5 ..... 50/60Hz
AAA ... No Output
0 ........ None
72 .. PF .... 1P3W (2 Element)
15 ... 120Volt/5 Amp
6 ..... 400Hz
AFA ... 0 to 1mA
1 ........ RS485
73 .. PF .... 3P3W (2 Element)
21 ... 240Volt/1 Amp
8 ..... Special Cal. AFB ... 0 to +1mA
74 .. PF .... 3P4W (2
1/2
Element) 25 ... 240Volt/5 Amp
.......
AHD .. 4 to 20mA
75 .. PF .... 3P4W (3 Element)
33 ... Special Cal.
.......
AHF ... 12+8mA(4-12-20)
91 .. PA .... 1P2W (1 Element)
92 .. PA .... 1P3W (2 Element)
93 .. PA .... 3P3W (2 Element)
94 .. PA .... 3P4W (2
1/2
Element)
95 .. PA .... 3P4W (3 Element)
Notes:
1: These models have 3 1/2 digit display.
2: 120/240V auxiliary power is standard with all 2491 models.
Ordering Example:249173-15-5-AFB-0 is a 3P3W Power Factor Meter; 120Volt - 5Amp, 50/60Hz, +1mA output
Function/Connections
AC Input Rating
Frequency
Analog Output Communication
Max Input
Frequency
Analog Output
Communication
11 ... 1 Amp
1 ..... 50/60Hz
AAA .... No Output
0 ........ None
15 ... 5 Amp
2 ..... 400Hz
AFA ..... 0-1mA
1 ........ RS485
21 ... 150V
3 ..... Special Cal.
AFB .... 0-+1mA
25 ... 300V
......
AHD .... 4-20mA
81 ... Frequency (150V)
......
AHF .... 12+8mA (4-12-20)
83 ... Frequency (300V)
Notes:
1: Maximum scaling ratio for amps is 5000:1 (25.00 Kiloamps for 5A input)
2: Maximum scaling ratio for volts is 1250:1 (150.00 Kilovolts for 120V input.)
3: AHD Suffix not available with frequency meter.
4: AFB and AHF suffix not available with amp or volt meters.
5: 120/240V auxiliary power is standard with all 2491 models.
Ordering Example: 249121-1-AHD-0 is a 150Volt AC, 60Hz meter with a 4-20mA output.
2491
2491
2491