DIGITAL SWITCHBOARD METERS

DIGIT

A

L

SWITCHBOARD METERS

PHONE [phone]

TECH. ASSISTANCE [phone]

FAX # [phone]

6625 McVey Blvd. Columbus, Ohio 43235

WWW.FLEX-CORE.COM

[e-mail]

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