731 Series
Electromechanical Hour Meter
Our 731 Series provides a family of compact 7 gure, DC Hour Meters. Models are available in the
standard industry housings, 2- Hole rectangular, ush-round and ush-rectangular. DC Models are
quartz controlled for high reliability and accuracy. A choice of two rectangular panel cutouts are
oered 1.45” X 0.95’’ [36.8mm X 24.1mm] or 1.45” X 0.87” [36.8mm X 2.1mm]. The Round meter has a
panel cutout of 1.99” [50.5mm].
Key Features
• 7 figure, 99999.99
• Various voltage inputs
• Quartz accuracy (DC)
• Large figures, 0.14” [3.6mm]
• CE Compliant, ROHS
• UL/cUL Recognized for DC
Applications
• Options include:
◦ Special voltages
◦ Terminations
◦ Panel cutout
• Office Equipment
• Test Equipment
• Medical Equipment
Specication
1.75 [44.5]
PANEL OPENING 1.45 [36.8] X 0.95 [24.1]
1.75 [44.5]
PANEL OPENING 1.45 [36.8] X 0.87 [22.1]
Figures 7 gures, 0.14” [3.6mm] 99999.99
Reset Non-reset
Voltages 10-28VDC
Power 0.4 watts DC
Mount Clip or mounting holes
Terminations 1/4” [6.3mm] spade terminals (DC)
Accuracy 0.01% (DC) quartz
Case Material Black polymer
Weight 1.2oz. [35g]
Front Panel IP65
Temp. Range -22°F to +180°F [-30°C to +82°C]
Storage Temp. -40°F to +185°F [-40°C to +85°C]
Vibration 1g [10/500Hz] IEC 68-T2-34
Shock
30g [18ms] IEC 68-T2-27
25g [16ms] IEC 68-T2-19
Approvals CE Compliant, UL/cUL Recognized for DC
Dimensions
1 2 3 4 5 6 7
1.60 [40.6]
1.43 [36.2]
PANEL OPENING 1.45 [36.8] X 0.87 [22.1]
PANELTHICKNESS 0.50'' [12.7]
1.4 [36]
0.9
1 2 3 4 5 6 7
[23]
2.1 [53]
1.43 [36.2]
1.08 [27.4]
1.21 [30.8]
0.08 [2.2]
0.12 [2.9]
2.33 [59.2]
0.06 [1.4]
2.33 [59.3]
0.87 [22.0]
2X Ø.16 [Ø4.1]
0.93 [23.5]
1.4 [36]
0.9
1 2 3 4 5 6 7
[23]
2.1 [53]
1.43 [36.2]
0.06 [1.4]
1 2 3 4 5 6 7
1.60 [40.6]
1.43 [36.2]
PANEL OPENING 1.45 [36.8] X 0.95 [24.1]
PANELTHICKNESS 0.50'' [12.7]
1.08 [27.4]
1.21 [30.8]
0.08 [2.2]
2.33 [59.3]
0.12 [3.0]
2.33 [59.2]
2X Ø.16 [Ø4.1]
0.87 [22.0]
0.93 [23.5]
PANEL OPENING 1.99 [50.5] DIA
.94 [24.0]
1.42 [36.0] 1.30 [33.0]
2.33 [59.2]
PANEL OPENING 1.299 [33.0] X 0.866 [22.0]
1 2 3 4 5 6 7
H O U
R S
0.13 [3.3]
2.33 [59.3]
h
.12 [3.0]
.87 [22.0]
O2.28 [O58]
Part Numbers
Models Voltage DC Mount 1.45 X .87 1.45 X .95 1.99 1.299 X .866
731-0006 10-28VDC Round X
731-0040 10-28VDC 2-Hole X
731- 0041 10-28VDC Flush Rect X
731-0042 10-28VDC Flush Rect. X
731-0051 10-28VDC 2-Hole X
731-0100 10-28VDC Flush Rect. X
Panel Cut-out
These 7 gure, DC hour meters with running indicators, oer crisp, distinctive styling for
many panel applications. Available in square and round bezel, ush mount, or three-hole
round panel mount. Each is light-weight, low power, and carry UL and CE approvals.
Key Features
• 7 figure, 99999.99
• Various voltage inputs
• Distinctive styling
• Options include:
◦ Terminations
◦ DIN rail
◦ Voltages
Applications
• Office Equipment
• Test Equipment
• Medical Equipment
Specication
Figures 7 gures, 0.14’’ high [3.6mm], 99,999.99 hours
Reset Non-reset
Voltages 10-80VDC
Power 1.2 watt maximum (DC)
Mount Panel (mounting hardware included)
Terminations 1/4’’ [6.3mm] spade terminals, with removable screws, or 8’’ [203mm] wire leads
Front Panel IP65
Temp. Range -22°F to +158°F [-30°C to +70°C]
Weight 1.6 oz. [46g]
Approvals UL Recognized, CE Compliant, ROHS
Dimensions
1.60 [40.6]
2.28’’ Dia. Flush 3 - Hole Round
1.55 [39.3]
1.35 [34.3]
1.35 [34.3]
1.77 [44.9]
2.28 [57.9]
Panel cutout: 1.99’’ [50] Dia. or 1.81’’ [46] Sq.
1.89’’ or 2.05’’ Square
2.05 [50.2]
0.20 [5.1]
2.20 [55.9]
1.77 [44.9]
2.93 [74.5]
Panel cutout: 1.99’’ [50] Dia. or 1.81’’ [46] Sq.
Screws provided: 4-40 x 5/8’’ [16]
Bolt hole circle: 2.44’’ [62]
1.35 [34.3]
1.77 [44.9]
Panel cutout: 1.99’’ [50] Dia. or 1.81’’ [46] Sq.
(for 1.89’’ Sq. use 1.81’’ [46] Sq. cutout only)
Part Numbers
731-0046 10-80VDC, 2.93’’ Dia., 3-hole round, screw termination
731- 0180 10-80VDC, 1.89’’ square, screw termination
T.00 8.171 55mm Bezel Adapter
T.00 8.17 7 72mm Bezel adapter
731-series-DS.v.2.2 10/2017
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