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| 型号： | DTM995 |
| 厂商： | Martel Electronics |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | LCD TYPE K THERMOCOUPLE |
| 标准包装： | 1 |
| 类型： | 热电偶 |
| 测量范围： | -50°C ~ 600°C |
| 显示器样式： | 黑色字符，灰色背景 |
| 显示器类型： | LCD |
| 显示器正面尺寸： | 2.81" L x 1.54" W（71.5 x 39.0mm） |
| 显示器位数： | 3 |
| 显示器位数 - 高度： | 0.750"（19.05mm） |
| 背光： | LED |
| 安装类型： | 面板安装 |
| 端子： | 端接块 |
| 电源电压： | 7.5 V ~ 24 V |
PO Box 770, 3750 Londonderry, NH 03053 1-800-821-0023
LASCAR ELECTRONICS LTD.
MODULE HOUSE, WHITEPARISH,
ELECTRONICS LASCAR ELECTRONICS (HK) LIMITED
FLAT C, 5/FL., LUCKY FTY. bldg., 63-65 HUNG TO ROAD
www.martelcorp.com (814) 838 8141
WILTSHIRE SP5 2SJ UK Erie, PA 16506 USA
TEL: +44 (0)1794 884567 FAX: +44 (0)1794 884616 TEL: +1 (814) 835 0621 FAX: +1
KWUN TONG, KOWLOON, HONG KONG
TEL: +852 2797 3219 FAX: +852 2343 6187
PIN FUNCTIONS
E-mail: sales@lascar.co.uk
E-mail: us-sales@lascarelectronics.com
E-mail: b4lascar@samsongroup.com.hk
1.
2.
3.
4.
5.
6.
V+
V-
T+
T-
LP+
LP-
Positive power supply connection.
Negative power supply connection.
Connection for positive (Ni-CR) part of thermocouple Green (Brown).
Connection for negative (Ni-AL) part of thermocouple White (Blue).
Positive power supply for backlighting.
Negative power supply for backlighting.
Note - When connecting thermocouples, ensure that the wires are carefully cleaned and are connected directly to the module and not to some
intermediate connector other than a proper K type thermocouple extension cable.
ROOM TEMPERATURE METER
To use the internal temperature sensor, simply apply a short circuit to T+/T- (LK2).
VARIOUS OPERATING MODES
ON-BOARD LINKS: In order to quickly and easily change operating modes for
different applications, the meter has several on-board links. They are designed
to be easily opened (cut) or shorted (soldered).
Ensure thermocouple probes are isolated.
Normally
SHORT
Cut to OPEN
Normally
OPEN
Solder to
SHORT
BACKLIGHTING
There are two ways to power the LED backlight. Either use a 5V (±10%) supply on LP+/LP- or use the internal meter 5V supply. If the internal
supply is used, the power supply voltage is limited to 7.5 - 15V D.C.
THERMOCOUPLE MEASUREMENT
ROOM TEMPERATURE
MEASUREMENT
1
7.5 - 24V d.c.
1
7.5 - 15V d.c.
1
7.5 - 15V d.c.
V+
V+
V+
+5V
5
LP+
T+
3
+
T+
3
+
T+
3
0V
6
LP-
3
T-
4
-
k-type
thermocouple
6
LP-
3
T-
4
-
k-type
thermocouple
6
LP-
3
T-
4
Wire
Link
0V
2
0V
0V
2
0V
0V
2
0V
With external backlight supply.
With internal (continuous) backlight
supply. Short link 3.
With internal (switched) backlight
supply. Short link 3.
Note: For thermocouple colour coding, refer to FAQ on our website.
PANEL FITTING
Specifications liable to change without prior warning
DTM 995
Issue 9
August/2002
M.C.
Applies to DTM 995/2
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