LM Series LCD Hour Meter | Round, MCU, 9-64 VDC, 1/4 in. Blade Terminal

Product Description

The LM Series MCU (microcontroller unit) LCD (liquid crystal display) Hour Meters and Counter are sealed digital instruments designed to monitor and record elapsed running time, normally displayed in hours and tenths of hours. These devices are used to log running time of equipment or counts of equipment use for potential use in transportation applications to assure proper maintenance of expensive machines or systems, as well as warranty claims and rental-use tracking.

Features

Round with bezel
Running indicator
Reverse polarity
Load dump, inductive, and EMI transient immunity
Makroblend® case material
Lexan® lens
1/4 in. blade terminals

Specifications

Case depth:
1.35 in (including terminals)

Digital range hours:
0 to 99,999.9 hours with auto turn over

Digital range counts:
0 to 999,999 counts with auto turn over

Digital height:
7 mm

View angle:
12 o’clock

Accuracy:
±200 ppm/hour

Operating voltage range:
9 V to 64 V dc/ac (50 Hz to 500 Hz); 50 Hz for counter enable

Sealing:
IP67 (front); IP66 (back)

Shock:
55 g per SAE J1378; 75 g per MIL-M-3917D

Vibration:
20 g per SAE J1378; 10 g per MIL-M-3917D

Humidity:
95 % non-condensing at 38 °C [100.4 °F]

Operating temperature:
-40 °C to 85 °C [-40 °F to 185 °F]

Storage temperature:
-50 °C to 90 °C [-58 °F to 190 °F]

Power consumption:
0.8 mA @ 12 Vdc

Start time:
<1 s; if including all “8” check, then >1 s

Product Codes

Mfr Part No:70378424
EDMO #:LMHB2ASH31
Brand:HOBBS CORPORATION
Category:Instruments