Technical Data On Testo 615/625; Changing The Settings; Changing The Battery; Initial Operation - TESTO 615 Instruction Manual

testo 615
with attached humidity/
temperature probe
According the certificate of confor-
mity the instruments meet the
standard according 89/336/EWG.
Selection button for %/t
Battery compartment
can be unscrewed
Please read before operation
• Never carry out measurements on live parts •
Adhere to the measuring ranges in the sensor.
Overheating will destroy the probe.
• Observe the permissible storage and trans-
port temperatures as well as the permissible
operating temperature (e.g. protect the instru-
ment from direct sunlight) • Do not carry out
the humidity adjustment without reference humi-
dity • Inexpert handling or use of force make
your warranty claim invalid • If the ambient
temperature changes (e.g. change in location,
measurement inside/outside) the instrument
needs a few minutes to adapt.

Changing the settings

When switching on the instrument keep the HOLD button pressed until the text appears in the display.
Auto On ° C
Auto OFF ° F
Auto Off On/Off
If the Auto Off function is activated
the instrument automatically switches off after
.
10 minutes (but not if Hold is activated)
1)
Reset to an adjustment point saved in
the factory
2)
1 point adjustment at 75.3% humidity
Instruction manual
Humidity measuring instruments
Large
display
Hold button
with separate
ON/OFF button
humidity/temperatu-
re probe (probe is
d
connected to the
measuring instru-
ment via a 1 m
cable)

Technical data on testo 615/625*

Sensor: testo
® %RH sensor and NTC
Application range %RH: 0 to 99.9 %RH
Accuracy*: ± 3 %RH in the meas. range: 5 to 95%RH
Measuring range °C: 615: 0...+50 °C,
625: -10...+60 °C, 615/625: -20...+50 °C td
Accuracy* °C: 615: ±0,5 °C (0...+50 °C),
625: ±0,5 °C (-10...60 °C)
Resolution: 615/625: 0,1 %RH (5...95%RH),
615: 0,1 °C (0...+50 °C), 625: 0,1 °C (-10...60 °C)
Battery type: 9V block Lifetime: Approx. 100 h
Operating temperature: 0 to +50 °C
Storage/ transport temperature: -20 to +70 °C
Housing: ABS (black) Dimensions: 190x57x42 mm
Weight: Approx. 300 g
* at a rated temperature of +25 ° C
Warranty:
Instr: 2 years; Probe: 1 year
(Meas. val.)
CAL
Proceed to other
settings via the
Hold button ...
Cancel
(Meas. val.)
CAL flashes
Reset
NO 1)
The selection button
CAL flashes
%/td enables you to
select from the opti-
Adjustment ons available.
YES 2)
CAL flashes
info@Testo-Direct.com

Initial operation -

On/Off button
%
I
0
8 8 . . 8 8 . . 8 8 . . 8 8
Probe
Hold Max Min Mean
holder
BatAuto calprint
(accessories)
8 8 . . 8 8 : : . . 8 8 . . 8 8
cm
__
f t
testo 625
td
When the instrument is switched on a short dis-
play and function test is carried out.
The instrument is then ready to operate.

Changing the battery

"Bat" appears in the display when the battery lifetime remaining is approx. 10 hours. The instrument swit-
ches off automatically if the battery power is insufficient. Unscrew housing, remove used battery and put in
new battery (type: 9 V block) (observe polarity).
Memory function for maximum and minimum values:
HOLD button
1st press: holds
HOLD
measured values
MAX/MIN
in the display
%
3 3 6 6 . . 5 5
Hold Max Min Mean
BatAuto calprint
2 2 1 1 . . 3 3 °C
td
Maintenance and Adjustment
The humidity sensor should be checked once a
year using our humidity adjustment containers if
used in the HVAC sector and every 3 months if
HOLD
used in a more hostile environment.
MAX/MIN
The control and adjustment set must
be kept at a constant temperature (20
to 30 °C) for approx. 12 hours prior to
controlling or adjusting. Never carry
out an adjustment without the test
container.
% _
td
1) Screw off cover on adjustment
container (75.3% RH). Insert probe in
opening.
2) Change instrument to adjustment (CAL) mode
(see "Changing the settings") after waiting 70
minutes. Press the Hold key at CAL „YES" to
take over the new adjustment value.
Testo-Direct
www. .com
Selection button: %RH - td
%
3 3 0 0 . . 0 0
%
°C
°F
3 3 6 6 . . 5 5
2 2 1 1 . . 8 8
°C
°F
td
2 2 1 1 . . 3 3
°C
The selection button %RH/t
td
between the display modes "current humidity
measured values" and "Calculated dew point".
The "Current temperature value" is displayed and
the display line changes.
2nd press: 3rd press:
HOLD HOLD
calls up maxi- calls up mini-
MAX/MIN MAX/MIN
mum values mum values
% %
3 3 8 8 . . 8 8 3 3 0 0 . . 1 1
Hold Max Min
Hold Max Min Mean
BatAuto calprint
BatAuto calprint
2 2 0 0 . . 8 8
°C
2 2 3 3 . . 8 8
td td
Ordering data
testo 615 measuring instrument with combined
probe attached, incl. battery
and Instruction manual ......................0560.6150
testo 625 measuring instrument
with separate combined probe
(1 m cable) incl. battery and
Instruction manual...............................0560.6250
Sintered cap, stainless steel................0554.0647
Humidity cal. containers (75.3 %RH)...0554.0638
9V rechargeable battery ......................0515.0025
Recharger ...........................................0554.0025
TopSafe
(indestructible protective sleeve)..........0516.0183
Case ...................................................0516.0182
Accessory set consisting of
multi-purpose clip (for jacket pocket, belt
and as a wall holder) probe holder,
carrier loop..........................................0554.0550
1.888.475.5235
%
2 2 1 1 . . 8 8
°C
% _
td
°C 3 3 . . 3 3
°C
td
enables you to jump
d
4th press:
HOLD
current mea-
MAX/MIN
sured values
%
3 3 6 6 . . 5 5
Mean
2 2 1 1 . . 3 3
°C °C
td