General settings (continued)Table 1-1:
Setting Description
Battery Power
DC Power with battery backup
4-20 mA Output Power with battery backup
Battery 3.6 V Primary Lithium (Li-SOCl
2
), non-rechargeable model 899-10-230-31
Expected Service Life and Recommended Replacement Interval
Operating Condition Estimated Service Life Suggested Replace-
ment Interval
Open collector outputs off,
through-glass buttons off,
minimal backlight use
7.5 years 5.5 years
<100 kHz open collector out-
puts, minimal through-glass
button or backlight use
5.5 years 4 years
<2 kHz open collector outputs,
minimal through-glass button
or backlight use
2.5 year 2 years
<5 kHz open collector outputs,
minimal through-glass button
or backlight use
1.3 year 1 year
Backup power only N/A 10 years
Data logging Up to 512 records, recorded four/day at specific times or at defined time inter-
vals. Record contains date, time, rate, total, grand total, and log number.
Isolation All Models 500 V opto-isolated input-to-power/output
with isolated input enabled
899-10-230-30 500 V input-to-output
899-10-230-32 500 V input/power-to-output
Note: Requires separate output supply
Environmental Operating temperature range: -40° C to 75°C
Storage temperature range: -40° C to 75°C
Backlight deactivated below temperatures ≈ -20° C
Relative humidity: 0 to 90% non-condensing
Non-volatile
memory
All programmed settings and total readings are stored in non-volatile memory
for a minimum of ten years if power is lost.
Connections Screw terminals accept 12 to 22 AWG wire
Enclosure Explosion-proof die-cast aluminum with glass window, corrosion resistant ep-
oxy coating, color: blue. NEMA 4X, 7, & 9, IP68. Copper-free (0.3%).
Default conduit connections: Three
¾" NPT threaded conduit openings. One ¾"
NPT metal plug with 12 mm hex key fitting installed. Additional conduit open-
ing configurations and plugs may be available; verify quantity and sizes on spe-
cific device labeling during installation.
Introduction
User manual 5