Martel Electronics 303, 306 Operating Manual
RS-232
306
Datalogger
CONTENTS
TITLE PAGE
I. Introduction
.............................................................................................................. 1
II. Specifications
......................................................................................................... 1
III. Symbol Definition and Button Location
............................................. 2
IV. Operating Instructions
4.1 Power-Up ............................................................................................................. 3
4.2 Connecting the Thermocouples........................................................................ 3
4.3 Selecting the Temperature Scale....................................................................... 3
4.4 Data-Hold Operation........................................................................................... 3
4.5 DataLogger.......................................................................................................... 3
4.6 Clock Setup ......................................................................................................... 3
4.7 Recording Interval Setup ................................................................................... 4
4.8 Time Operation.................................................................................................... 4
4.9 MAX/MIN Operation ............................................................................................ 4
4.10 Auto Power Off.................................................................................................. 4
4.11 Low Battery Condition......................................................................................
4.12 Calibration Point ...............................................................................................
4.13 Digital Output .................................................................................................... 5
.................................................................................... 3
V. Setup ThermoLog (Thermo DataLogger)
4
4
RS232 Interface Software
.......................................................................... 7
MARTEL 306
I. Introduction:
This instrument is a digital thermometer for use with any K-type thermocouple as temperature
sensor. Temperature indication follows National Bureau of Standards and IEC584
temperature/voltage table for K-type thermocouples. Its internal memory can store up to 16,312
records.(See Note 1 below.) An RS232 interface provides bi-directional communication with a PC.
II. Specifications:
Numerical Display: 4 digital Liquid Crystal Display
Measurement Range: -200°C ~ 1370°C -328°F ~ 2498°F
Resolution: -200°C~ 200°C: 0.1°C; 200°C ~1370°C: 1°C
Input Protection at Thermocouple Input: 60V DC, or 24Vrms AC
Environmental:
R Operating Temperature and Humidity: 0°C ~50°C (32°F ~ 122°F) ; 0 ~ 80% RH
R Storage Temperature and Humidity: -10°C to 60°C (14°F ~ 140°F); 0 ~ 80% RH
R Altitude up to 2000 meters.
Accuracy: at ( 23 ± 5°C )
-200°C ~ 200°C ±(0.2% reading + 1°C)
200°C ~ 400°C ±(0.5% reading + 1°C)
400°C~1370°C ±(0.2% reading + 1°C)
-328°F ~ -200°F ±(0.5% reading + 2°F)
-200°F ~ 200°F ±(0.2% reading + 2°F)
200°F ~ 2498°F ±(0.3% reading + 2°F)
The basic accuracy specification does not include the error of the probe. Please refer to the
probe accuracy specification for additional details.
Sample Rate: 1.25 times per second
Dimensions (LxWxH): 7.2”x2.5”x1.1” (184x64x30 mm)
Weight: 7.4 oz. (210g); approximate
Accessories: K-Type Bead Probe, Battery, Carrying Case, Instruction Manual, Software Package
Power Requirement: 9 Volt Battery
Battery Life: Approx. 100hrs with alkaline battery
AC Adapter: 9VDC ±15% 100mA
Plug Diameter: 3.5mm×1.35mm
Option : AC Adapter
-200°F~ 200°F: 0.1°F; else 1°F
Range Accuracy
Temperature Coefficient:
For ambient temperatures from 0°C ~ 18°C and 28°C
~ 50°C, for each °C ambient below 18°C or above
28°C add the following tolerance into the accuracy
spec.
Note:
(Program and RS232 Connection Cable)
0.01% of reading + 0.03°C
(0.01% of reading + 0.06°F )
Note1:
Each time you press the "RECORD" button to start recording data and press it again to stop recording, a
new data set is stored in memory. As many additional data sets as you want may be added into memory
until it is full.
1
III. Symbol Definition and Button Location:
: This indicates that a negative temperature is sensed.
ƨƩ
: Centigrade and Fahrenheit indication.
K
: Thermocouple Type Indication
MAX
: The Maximum value is being displayed
MIN
: The Minimum value is being displayed
: This indicates auto power off is enabled.
: This indicates that the display data is being held.
m-d
: Indicates the value below is month and day
h:m
: Indicates the value below is hour and minute
m:s
: Indicates the value below is minute and second
y
: Indicates year is displayed in the main window.
: The battery voltage is low. The battery should be replaced.
REC
: This indicates that the tester is recording. If it blinks, it indicates the memory is full.
2
3
4
5
6
T2
SETUP
TIME
CLOCK
REC
311
RANGE:
439
POWER-UP OPTIONS
REC
D 2481GD
G 35:9
1
T1
T1T2
7
8
HOLD
INTV
9
F
C
10
CAL
OUTPUT
DC9V
9V BATTERY
NEDA 1604 6F22 006P
PLEASE READ
MANUAL FOR SAFETY
OPEN
2
Button Location:
1
○
K type temperature sensor T1 input
connector
2
○
K type temperature sensor T2 input
3
○
LCD display
4
○
ON/OFF button
5
○
Time display button
6
○
Record button
7
○
MAX MIN function control button
8
○
HOLD button
9
○
°C, °F control button
10
○
Offset calibration screw
11
○
Digital output connector
12
○
AC power adapter connector
13
○
Tripod connector
14
○
Battery cabinet cover
MARTEL 306
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