21
10. Specifications
Mode
pH
Temperature
Conductivity
0 to 19.99 µS,
Range
0.00 to 14.00 pH
0.0 to 100.0˚C
0 to 199.9 µS,
0 to 1999 µS,
0 to 19.99 mS
0.01 µS,
Resolution
0.01 pH
0.1˚C
0.1 µS,
1.0 µS,
0.01 mS
Accuracy
±0.01 pH
±0.5˚C
±1% full scale or ±1 digit
Up to three points
Calibration
(pH 4.01, 7.00, 10.01)
Offset in 0.1°C
Up to four points
with automatic
increments
(one point per range)
buffer recognition
Temperature compensation:
automatic from 0 to 50°C
Conductivity cell constant (K):
1.0
Conductivity temperature coefficient:
2.00% per °C
Operating temperature:
0 to 50°C
Power:
four 1.5 V AAA batteries (included) or AC adapter (optional; order
separately on page 22)
Battery life:
> 50 hours
Dimensions:
35630-00
Meter: 7.5"L x 3.5"W x 1.75"H (19.1 cm x 8.9 cm x 4.5 cm)
Boxed: 9.2"L x 8.5"W x 2.75"H (23.3 cm x 21.6 cm x 7 cm)
Probe: 6.8"L x 1.3" dia (173 mm L x 32 mm dia)
35630-02
Meter: 7.5"L x 3.5"W x 1.75"H (19.1 cm x 8.9 cm x 4.5 cm)
Boxed: 9.2"L x 9.2"W x 2.75"H (23 cm x 23 cm x 7 cm)
Probe: 6.8"L x 1.3" dia (17.3 cm L x 3.2 cm dia)
Shipping weight:
1.4 lbs (0.64 kg)
20
9. Error Messages
LCD
Indicates
Cause
Solution
Display
Err
Unrecognized input
Wrong input in
Release key. Select
annunciator
from keypad
selected mode.
valid operations
depending on mode.
CAL & Err
Calibration error
Wrong value input
Check your input value,
annunciators
at calibration.
clean probe.
blink
Dirty probe.
See Calibration sections or
Probe Maintenance section.
Battery
Low battery level
Need new batteries
Clean battery contacts.
indicator blinks
or battery
Replace batteries with fresh
connection is bad
ones, noting polarity
Err. 1
Memory write
Instrument too
Turn meter on and off
(in primary
error
old (>10 years).
again. If message persists,
display)
Hardware failure
return unit*
Err. 2
Checksum
Batteries too weak.
Press ENTER, then turn
(in primary
error
Hardware failure.
off meter. Change
display)
batteries. Recalibrate
Return*
Err. 3
A/D converter error
Faulty hardware
Return*
* See "Warranty" and "Return of Items" on page 24
If an error message appears in the primary display (the upper row of larger digits),
switching off the meter and switching it on again may eliminate the error message.
See figure below.
If error persists, or the meter shows incorrect values, return the meter.
For a complete diagram of the display, see page 4.
ERR 1 in primary display
