85
Unomat/trxhb/trxhb
Reference
22
0
C (71,6
0
F) +1
0
C
Calibration
Traceable to EEC standards with correlation to NIST
Long term stability
+ 0.03% of range/year
Indicated accuracies
Specified for 15
0
C (60
0
F) to35
0
C (95
0
F). Outside these limits
+1lsd on zero and +0.001% (0.0005%) of range/
0
C (
0
F)
Operating temperature
-10
0
C to +50
0
C (14
0
F to 122
0
F)
Storage temperature
-20
0
C to 70
0
C (-4
0
F to 158
0
F)
Warm up time
2 minutes in a constant ambient temperature
Relative humidity
0 to 90% non-condensing
Cold junction compensation
+0.25
0
C (0.5
0
F) with the Pt100 sensor in the Terminal Block
(automatic at 0
0
C/32
0
F)
or +0.8
0
C (1.4
0
F) with a RTD sensor in TRX housing or manually by the user
within -99
0
C/
0
F and 99
0
C/
0
F
RTD simulation
5mA max., either polarity (from an external source)
excitation current
Read-out
4½ or 4 digits, depends on the selected function. Text in English
Batteries
4 x 1.5Volt, type LR 14 (Baby or Size C)
Battery life
25 hours with alkaline batteries at 20
0
C (68
0
F), 8 hours with 20mA load.
11 hours with NiCd cells at 20
0
C (68
0
F), 5 hours with a 20mA load
Low battery indication
Pre-warning alternately flashes "poor battery condition". After approx. 15 min.
unit stops working, annunciating "replace (charge) batteries"
Line power
With optional adapter 115 or 230 VAC
Connections
Suitable for 2mm test plugs or loose wire ends (with terminal block)
Protection
IP53
Housing
Textured high-impact ABS plastic
Size
200 x 117 x 32mm (8.0" x 4.7" x 1.3") carrying case
Weight
0.9kg (2 pounds) including batteries, carrying case and testleads
